Neptunium-237

93Np
neptunio

Property	Value
Decay mode chemrof:decay_mode	α=100%; SF<2e-10%; 30Mg<4e-12%
Elemental charge chemrof:elemental_charge	0
Half life chemrof:half_life	2144000.0
Has element chemrof:has_element	{'@id': 'https://vocab.brightway.dev/flow-objects/fo-fbf157be91323e09'}
InChI2D key string chemrof:inchi2d_key_string	LFNLGNPSGWYGGD-UHFFFAOYSA-N
InChI2D string chemrof:inchi2d_string	InChI=1S/Np
Isotope isotope	{"nuclide":"237Np","mass_number":237,"atomic_mass_and_uncertainty_u":"237.048171640 ± 0.000001201","half_life_and_uncertainty":"2.144 My ± 0.007","decay_modes":"α=100%; SF<2e-10%; 30Mg<4e-12%","discovery_year":"1948","specific_activity_bq_per_g":"26026770.434984","specific_activity_bq_per_g_value":26026770.434984,"half_life_chemlin":"2.144(7)e6 years","chemlin_url":"https://www.chemlin.org/isotope/neptunium-237","isomer_resolution":{"wanted_nuclide":"Np-237","expected_half_life_days":783096000.0,"attempted_slugs":["237"],"attempted_urls":["https://www.chemlin.org/isotope/neptunium-237"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"neptunium-237","selected_half_life":"2.144(7)e6 years","selected_half_life_days":783096000.0,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Np","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup	{"is_kbq_candidate":true,"matched":true,"matched_on":"Neptunium-237","claimed_nuclide":"Np-237","resolved_nuclide":"Np-237","state_resolution":{"claimed_state":"","selected_state":"","strategy":"state_taken_as_written","candidates":[]},"checks":[{"check":"ground_state_does_not_decay_by_isomeric_transition","passed":true,"detail":"α=100%; SF<2e-10%; 30Mg<4e-12%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":783096000.0,"chemlin_days":783096000.0,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Np-237","expected_half_life_days":783096000.0,"attempted_slugs":["237"],"attempted_urls":["https://www.chemlin.org/isotope/neptunium-237"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"neptunium-237","selected_half_life":"2.144(7)e6 years","selected_half_life_days":783096000.0,"half_life_ratio_to_pubchem":1.0,"alternates":[]}}
IUPAC name chemrof:IUPAC_name	neptunium
Molecular formula chemrof:molecular_formula	Np
Molecular mass chemrof:molecular_mass	237.0
Monoisotopic mass chemrof:monoisotopic_mass	236.04657
Nucleon number chemrof:nucleon_number	237
Relationships relationships	{"parent_element_flow_object_id":"fo-fbf157be91323e09","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string	[Np]
Symbol chemrof:symbol	Np

Where else this substance is described. Collected while the pipeline resolved it — from ChEBI's cross-references, from PubChem's identifier list, and from the CAS number — so a link here is a record the merge actually read, not a search it suggests.

Resource	URL	Recorded by
CAS Common Chemistry	https://commonchemistry.cas.org/detail?cas_rn=7439-99-8	enrich_references.chebi_xrefs
ChEBI	https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:33387	enrich_references.chebi_id_link
chem.echa.europa.eu	https://chem.echa.europa.eu/100.028.280	enrich_references.pubchem_identifier_url
ChemLin	https://www.chemlin.org	—
ChemLin	https://www.chemlin.org/isotope/neptunium-237	—
comptox.epa.gov	https://comptox.epa.gov/dashboard/DTXSID5074840	enrich_references.pubchem_identifier_url
gsrs.ncats.nih.gov	https://gsrs.ncats.nih.gov/ginas/app/beta/substances/6200K977BQ	enrich_references.pubchem_identifier_url
jglobal.jst.go.jp	http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J95.118H	enrich_references.pubchem_identifier_url
PubChem	https://pubchem.ncbi.nlm.nih.gov/compound/23933	enrich_references.pubchem_compound
PubChem	https://pubchem.ncbi.nlm.nih.gov/element/93	—
PubChem	https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/93/JSON	—
webelements	webelements:Np	enrich_references.chebi_xrefs
wikidata.org	https://www.wikidata.org/wiki/Q1105	enrich_references.pubchem_identifier_url
Wikipedia	https://en.wikipedia.org/wiki/Neptunium	enrich_references.pubchem_identifier_url

Flow	Context	Source	Unit
cf026b2f-cc38-11dd-ad8b-0800200c9a66	Environmental → Air → Aircraft cruise height	EF 3.1	kBq
cf026b34-cc38-11dd-ad8b-0800200c9a66	Environmental → Air → Ground level → Urban (>1000 people/square mile)	EF 3.1	kBq
cf026b2c-cc38-11dd-ad8b-0800200c9a66	Environmental → Air → Long-term	EF 3.1	kBq
cf026b37-cc38-11dd-ad8b-0800200c9a66	Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile)	EF 3.1	kBq
cf026b35-cc38-11dd-ad8b-0800200c9a66	Environmental → Air → Unknown	EF 3.1	kBq
cf026b30-cc38-11dd-ad8b-0800200c9a66	Environmental → Ground → Agricultural	EF 3.1	kBq
cf026b2e-cc38-11dd-ad8b-0800200c9a66	Environmental → Ground → Non-agricultural	EF 3.1	kBq
cf026b36-cc38-11dd-ad8b-0800200c9a66	Environmental → Ground → Unknown	EF 3.1	kBq
cf026b32-cc38-11dd-ad8b-0800200c9a66	Environmental → Water → Long-term	EF 3.1	kBq
cf026b2d-cc38-11dd-ad8b-0800200c9a66	Environmental → Water → Ocean	EF 3.1	kBq
cf026b33-cc38-11dd-ad8b-0800200c9a66	Environmental → Water → Surface water	EF 3.1	kBq
4116d60f2c9301d05fa5979a9297203fe620b769	Environmental → Water → Unconfined aquifer	ecoinvent algorithm addition	kBq
cf026b31-cc38-11dd-ad8b-0800200c9a66	Environmental → Water → Unknown	EF 3.1	kBq

Everything that changed this substance (51 changes)

Open the changes page

Flow object JSON

{
  "flow_object_id": "fo-1a52f79e245d77ad",
  "prefLabel": [
    {
      "@value": "Neptunium-237",
      "@language": "en",
      "@lang": "en",
      "provenance": {
        "prov:wasGeneratedBy": "bootstrap_labels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "legacy name field"
      }
    }
  ],
  "altLabel": [
    {
      "@value": "93Np",
      "@language": "en",
      "@lang": "en",
      "provenance": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1",
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    },
    {
      "@value": "neptunio",
      "@language": "en",
      "@lang": "en",
      "provenance": {
        "prov:wasGeneratedBy": "chebi_altlabels",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1",
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi synonym match"
      }
    }
  ],
  "properties": {
    "https://w3id.org/chemrof/molecular_formula": {
      "@id": "https://w3id.org/chemrof/molecular_formula",
      "@value": [
        "Np"
      ],
      "attested_by": {
        "Np": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "Molecular formula",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_33387"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.generalized_empirical_formula"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:23933"
          ],
          "prov:wasDerivedFrom": "pubchem.props.Molecular Formula"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/smiles_string": {
      "@id": "https://w3id.org/chemrof/smiles_string",
      "rdfs:label": "SMILES",
      "@value": [
        "[Np]"
      ],
      "provenance": [
        {
          "prov:wasGeneratedBy": "opsin_iupac",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "neptunium"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ],
      "attested_by": {
        "[Np]": [
          "opsin_iupac",
          "rdkit_post_consensus"
        ]
      }
    },
    "https://w3id.org/chemrof/inchi2d_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_string",
      "rdfs:label": "InChI",
      "@value": [
        "InChI=1S/Np"
      ],
      "provenance": [
        {
          "prov:wasGeneratedBy": "opsin_iupac",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "neptunium"
          ]
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ],
      "attested_by": {
        "InChI=1S/Np": [
          "opsin_iupac",
          "rdkit_post_consensus"
        ]
      }
    },
    "https://w3id.org/chemrof/inchi2d_key_string": {
      "@id": "https://w3id.org/chemrof/inchi2d_key_string",
      "@value": [
        "LFNLGNPSGWYGGD-UHFFFAOYSA-N"
      ],
      "attested_by": {
        "LFNLGNPSGWYGGD-UHFFFAOYSA-N": [
          "enrich_references.chebi_semantic",
          "enrich_references.pubchem_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "InChIKey",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_33387"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.inchi_key_string"
        },
        {
          "prov:wasGeneratedBy": "enrich_references.pubchem_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "CID:23933"
          ],
          "prov:wasDerivedFrom": "pubchem.props.InChIKey"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/molecular_mass": {
      "@id": "https://w3id.org/chemrof/molecular_mass",
      "@value": [
        237.0
      ],
      "attested_by": {
        "237.0": [
          "enrich_references.chebi_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "Molecular mass",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/GM-PER-MOL",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_33387"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/monoisotopic_mass": {
      "@id": "https://w3id.org/chemrof/monoisotopic_mass",
      "@value": [
        236.04657
      ],
      "attested_by": {
        "236.04657": [
          "enrich_references.chebi_semantic",
          "rdkit_post_consensus"
        ]
      },
      "rdfs:label": "Monoisotopic mass",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/GM-PER-MOL",
      "provenance": [
        {
          "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "http://purl.obolibrary.org/obo/CHEBI_33387"
          ],
          "prov:wasDerivedFrom": "chebi.basic_property_values.monoisotopic_mass"
        },
        {
          "prov:wasGeneratedBy": "rdkit_post_consensus",
          "prov:wasAttributedTo": "consensus-flow-list",
          "prov:hadPrimarySource": [
            "[Np]"
          ]
        }
      ]
    },
    "https://w3id.org/chemrof/elemental_charge": {
      "@id": "https://w3id.org/chemrof/elemental_charge",
      "@value": [
        0
      ],
      "attested_by": {
        "0": [
          "enrich_references.chebi_semantic"
        ]
      },
      "rdfs:label": "Elemental charge",
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_semantic",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi.basic_property_values.charge"
      }
    },
    "https://w3id.org/chemrof/IUPAC_name": {
      "@id": "https://w3id.org/chemrof/IUPAC_name",
      "rdfs:label": "IUPAC name",
      "@value": [
        "neptunium"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "opsin_iupac",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "neptunium"
        ]
      },
      "attested_by": {
        "neptunium": [
          "opsin_iupac"
        ]
      }
    },
    "isotope_lookup": {
      "is_kbq_candidate": true,
      "matched": true,
      "matched_on": "Neptunium-237",
      "claimed_nuclide": "Np-237",
      "resolved_nuclide": "Np-237",
      "state_resolution": {
        "claimed_state": "",
        "selected_state": "",
        "strategy": "state_taken_as_written",
        "candidates": []
      },
      "checks": [
        {
          "check": "ground_state_does_not_decay_by_isomeric_transition",
          "passed": true,
          "detail": "α=100%; SF<2e-10%; 30Mg<4e-12%"
        },
        {
          "check": "half_life_sources_agree",
          "passed": true,
          "detail": {
            "pubchem_days": 783096000.0,
            "chemlin_days": 783096000.0,
            "ratio": 1.0
          }
        }
      ],
      "reason": "",
      "source": "pubchem_pug_view_annotation_heading",
      "sources": [
        "pubchem_pug_view_annotation_heading",
        "https://www.chemlin.org"
      ],
      "isomer_resolution": {
        "wanted_nuclide": "Np-237",
        "expected_half_life_days": 783096000.0,
        "attempted_slugs": [
          "237"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/neptunium-237"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "neptunium-237",
        "selected_half_life": "2.144(7)e6 years",
        "selected_half_life_days": 783096000.0,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": []
      }
    },
    "relationships": {
      "parent_element_flow_object_id": "fo-fbf157be91323e09",
      "relationship_type": "isotope_of"
    },
    "isotope": {
      "nuclide": "237Np",
      "mass_number": 237,
      "atomic_mass_and_uncertainty_u": "237.048171640 ± 0.000001201",
      "half_life_and_uncertainty": "2.144 My ± 0.007",
      "decay_modes": "α=100%; SF<2e-10%; 30Mg<4e-12%",
      "discovery_year": "1948",
      "specific_activity_bq_per_g": "26026770.434984",
      "specific_activity_bq_per_g_value": 26026770.434984,
      "half_life_chemlin": "2.144(7)e6 years",
      "chemlin_url": "https://www.chemlin.org/isotope/neptunium-237",
      "isomer_resolution": {
        "wanted_nuclide": "Np-237",
        "expected_half_life_days": 783096000.0,
        "attempted_slugs": [
          "237"
        ],
        "attempted_urls": [
          "https://www.chemlin.org/isotope/neptunium-237"
        ],
        "strategy": "half_life_agrees_with_pubchem",
        "selected_slug": "neptunium-237",
        "selected_half_life": "2.144(7)e6 years",
        "selected_half_life_days": 783096000.0,
        "half_life_ratio_to_pubchem": 1.0,
        "alternates": []
      },
      "symbol": "Np",
      "isomeric_state": "",
      "metastable": false
    },
    "https://w3id.org/chemrof/nucleon_number": {
      "rdfs:label": "nucleon number",
      "@value": [
        237
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/NUM",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.mass_number"
      }
    },
    "https://w3id.org/chemrof/symbol": {
      "rdfs:label": "symbol",
      "@value": [
        "Np"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.symbol"
      }
    },
    "https://w3id.org/chemrof/half_life": {
      "rdfs:label": "half life",
      "@value": [
        2144000.0
      ],
      "http://qudt.org/schema/qudt/hasUnit": "https://vocab.brightway.one/units/unit/YR",
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.half_life_and_uncertainty"
      }
    },
    "https://w3id.org/chemrof/decay_mode": {
      "rdfs:label": "decay mode",
      "@value": [
        "α=100%; SF<2e-10%; 30Mg<4e-12%"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "isotope.decay_modes"
      }
    },
    "https://w3id.org/chemrof/has_element": {
      "rdfs:label": "has element",
      "@value": [
        {
          "@id": "https://vocab.brightway.dev/flow-objects/fo-fbf157be91323e09"
        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "relationships.parent_element_flow_object_id"
      }
    }
  },
  "references": [
    {
      "@id": "http://jglobal.jst.go.jp/en/redirect?Nikkaji_No=J95.118H",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "https://chem.echa.europa.eu/100.028.280",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "https://commonchemistry.cas.org/detail?cas_rn=7439-99-8",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    },
    {
      "@id": "https://comptox.epa.gov/dashboard/DTXSID5074840",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "https://en.wikipedia.org/wiki/Neptunium",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "https://gsrs.ncats.nih.gov/ginas/app/beta/substances/6200K977BQ",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "https://pubchem.ncbi.nlm.nih.gov/compound/23933",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_compound",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.by_cas[7439-99-8]"
      }
    },
    "https://pubchem.ncbi.nlm.nih.gov/element/93",
    "https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/93/JSON",
    "https://www.chemlin.org",
    "https://www.chemlin.org/isotope/neptunium-237",
    {
      "@id": "https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:33387",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_id_link",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi.id"
      }
    },
    {
      "@id": "https://www.wikidata.org/wiki/Q1105",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.pubchem_identifier_url",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "CID:23933;CAS:7439-99-8"
        ],
        "prov:wasDerivedFrom": "pubchem.identifiers[7439-99-8]"
      }
    },
    {
      "@id": "webelements:Np",
      "provenance": {
        "prov:wasGeneratedBy": "enrich_references.chebi_xrefs",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "http://purl.obolibrary.org/obo/CHEBI_33387"
        ],
        "prov:wasDerivedFrom": "chebi.xrefs_urls"
      }
    }
  ],
  "created_from": {
    "resolver": "hybrid_name_cas_v1",
    "seed_uuid": "cf026b2c-cc38-11dd-ad8b-0800200c9a66",
    "seed_source": "EF 3.1",
    "semantic_typing": {
      "rule": "isotope_record",
      "reason": "",
      "types": [
        "https://w3id.org/chemrof/Isotope",
        "https://w3id.org/chemrof/Radionuclide"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "semantic_typing.classify",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:wasDerivedFrom": "semantic_typing.rule.isotope_record"
      }
    }
  },
  "classifications": {
    "http://semanticscience.org/resource/CHEMINF_000446": {
      "@value": [
        "7439-99-8"
      ],
      "rdfs:seeAlso": [
        "https://commonchemistry.cas.org/detail?cas_rn=7439-99-8"
      ],
      "http://www.w3.org/2004/02/skos/core#exactMatch": [
        {
          "@id": "https://commonchemistry.cas.org/detail?cas_rn=7439-99-8"
        }
      ],
      "provenance": {
        "prov:wasGeneratedBy": "hybrid_name_cas_v1",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "cas_numbers"
      }
    },
    "http://semanticscience.org/resource/CHEMINF_000447": {
      "@value": [
        "231-108-8"
      ],
      "rdfs:seeAlso": [
        "https://echa.europa.eu/search-for-chemicals?query=231-108-8"
      ],
      "provenance": {
        "prov:wasGeneratedBy": "hybrid_name_cas_v1",
        "prov:wasAttributedTo": "consensus-flow-list",
        "prov:hadPrimarySource": [
          "EF 3.1"
        ],
        "prov:wasDerivedFrom": "ec_numbers"
      }
    }
  },
  "origin_qualifier": null,
  "parent_flow_object_id": null,
  "parent_intervention_id": null,
  "@type": [
    "https://w3id.org/chemrof/Isotope",
    "https://w3id.org/chemrof/Radionuclide"
  ]
}

Neptunium-237

Identity

Structure

Alternative labels

Properties

Known URLs

Elementary flows

History

Full record

Keyboard