Consensus flow list

Curium-244

fo-2da4d7ac4e6c95ca

Identity

Type
Isotope
CAS
13981-15-2
EC
—
Origin
EF 3.1 hybrid_name_cas_v1
Changes
27 across every transformer

Structure

Structure diagram for Curium-244

This substance carries 2 candidate structures; the diagram is the first one RDKit could parse, not a settled answer.

Properties

PropertyValue
Decay mode chemrof:decay_mode α=100%; SF=1.37e-4±0.2%
Half life chemrof:half_life 18.11
Has element chemrof:has_element {'@id': 'https://vocab.brightway.dev/flow-objects/fo-74d114e794587173'}
InChI2D key string chemrof:inchi2d_key_string NIWWFAAXEMMFMS-OIOBTWANSA-N
InChI2D string chemrof:inchi2d_string InChI=1S/Cm/i1-3
Isomeric SMILES string chemrof:isomeric_smiles_string [244Cm]
Isotope isotope {"nuclide":"244Cm","mass_number":244,"atomic_mass_and_uncertainty_u":"244.062750622 ± 0.000001187","half_life_and_uncertainty":"18.11 y ± 0.03","decay_modes":"α=100%; SF=1.37e-4±0.2%","discovery_year":"1950","specific_activity_bq_per_g":"2994675532503.1","specific_activity_bq_per_g_value":2994675532503.1,"half_life_chemlin":"18.11(3) years","chemlin_url":"https://www.chemlin.org/isotope/curium-244","isomer_resolution":{"wanted_nuclide":"Cm-244","expected_half_life_days":6614.6775,"attempted_slugs":["244"],"attempted_urls":["https://www.chemlin.org/isotope/curium-244"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"curium-244","selected_half_life":"18.11(3) years","selected_half_life_days":6614.6775,"half_life_ratio_to_pubchem":1.0,"alternates":[]},"symbol":"Cm","isomeric_state":"","metastable":false}
Isotope lookup isotope_lookup {"is_kbq_candidate":true,"matched":true,"matched_on":"Curium-244","claimed_nuclide":"Cm-244","resolved_nuclide":"Cm-244","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=1.37e-4±0.2%"},{"check":"half_life_sources_agree","passed":true,"detail":{"pubchem_days":6614.6775,"chemlin_days":6614.6775,"ratio":1.0}}],"reason":"","source":"pubchem_pug_view_annotation_heading","sources":["pubchem_pug_view_annotation_heading","https://www.chemlin.org"],"isomer_resolution":{"wanted_nuclide":"Cm-244","expected_half_life_days":6614.6775,"attempted_slugs":["244"],"attempted_urls":["https://www.chemlin.org/isotope/curium-244"],"strategy":"half_life_agrees_with_pubchem","selected_slug":"curium-244","selected_half_life":"18.11(3) years","selected_half_life_days":6614.6775,"half_life_ratio_to_pubchem":1.0,"alternates":[]}}
IUPAC name chemrof:IUPAC_name curium-244
Molecular formula chemrof:molecular_formula Cm
Molecular mass chemrof:molecular_mass 244.063
Monoisotopic mass chemrof:monoisotopic_mass 244.062753
Nucleon number chemrof:nucleon_number 244
Relationships relationships {"parent_element_flow_object_id":"fo-74d114e794587173","relationship_type":"isotope_of"}
SMILES string chemrof:smiles_string [Cm]
Symbol chemrof:symbol Cm

Known URLs

10

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=13981-15-2 enrich_references.pubchem_identifier_url
ChemLin https://www.chemlin.org —
ChemLin https://www.chemlin.org/isotope/curium-244 —
comptox.epa.gov https://comptox.epa.gov/dashboard/DTXSID30930604 enrich_references.pubchem_identifier_url
gsrs.ncats.nih.gov https://gsrs.ncats.nih.gov/ginas/app/beta/substances/8R0H26WH56 enrich_references.pubchem_identifier_url
hts.usitc.gov https://hts.usitc.gov/search?query=2844.42.00.00 enrich_references.pubchem_identifier_url
PubChem https://pubchem.ncbi.nlm.nih.gov/compound/104801 enrich_references.pubchem_compound
PubChem https://pubchem.ncbi.nlm.nih.gov/element/96 —
PubChem https://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/element/96/JSON —
wikidata.org https://www.wikidata.org/wiki/Q3007678 enrich_references.pubchem_identifier_url

Elementary flows

5
Flow Context Source Unit CFs
29d426d9-38ce-4e7c-914a-dea76617c8ff Environmental → Air → Aircraft cruise height EF 3.1 kBq 0
19b0ff60-4f58-44f3-bf1b-d54700dd14d8 Environmental → Air → Ground level → Urban (>1000 people/square mile) EF 3.1 kBq 0
c1d566eb-0726-4671-a1db-17ce8384f380 Environmental → Air → Long-term EF 3.1 kBq 0
8bde8487-132c-4fd0-b1e1-40643a5f1345 Environmental → Air → Medium stack, <150 meters → Rural (<1000 people/square mile) EF 3.1 kBq 0
cd60e410-11f5-4807-9140-3a5cbbfa3411 Environmental → Air → Unknown EF 3.1 kBq 0

History

Everything that changed this substance (27 changes)

Open the changes page

Full record

Flow object JSON 
{
  "flow_object_id": "fo-2da4d7ac4e6c95ca",
  "prefLabel": [
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      "@language": "en",
      "@lang": "en",
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        ],
        "prov:wasDerivedFrom": "legacy name field"
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  ],
  "altLabel": [],
  "properties": {
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      "rdfs:label": "Molecular formula",
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      "@value": [
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      "attested_by": {
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    },
    "https://w3id.org/chemrof/monoisotopic_mass": {
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      "state_resolution": {
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    "relationships": {
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      "atomic_mass_and_uncertainty_u": "244.062750622 ± 0.000001187",
      "half_life_and_uncertainty": "18.11 y ± 0.03",
      "decay_modes": "α=100%; SF=1.37e-4±0.2%",
      "discovery_year": "1950",
      "specific_activity_bq_per_g": "2994675532503.1",
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      "symbol": "Cm",
      "isomeric_state": "",
      "metastable": false
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}

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