Caffeine

CAS 58-08-2·C8H10N4O2·194.19 g/mol·10 listings across 7 jurisdictions.

Also known as teina, cafeine, caffeine, caffenium … +15 more

CAS
58-08-2
Mol. Weight
194.19000 g/mol
InChIKey
RYYVLZVUVIJVGH-UHFFFAOYSA-N
SMILES
Cn1c(=O)c2c(ncn2C)n(C)c1=O
PubChem CID
2519

Regulatory
Status

10 entries across 7 jurisdictions. Sourced from EU, US, UK and international regulatory databases.

Overall compliance

Restricted — high concern

High-concern classification in 3 of 8 frameworks, across 7 jurisdictions.

United StatesUnited States[US]
FDA Approved Drug Substances
FDA DRUG
Approved
View →

FDA-approved drug substances; a listing means the substance is an approved active pharmaceutical ingredient.

{
  "source": "openFDA NDC (active ingredients)",
  "cas_number": "",
  "chemical_name": "CAFFEINE",
  "product_count": 528,
  "active_ingredient": "CAFFEINE"
}
TSCA Inventory
TSCA
Listed
View →

The U.S. TSCA Inventory; a listing means the substance is an existing chemical permitted in U.S. commerce.

{
  "name": "1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-",
  "flags": "",
  "status": "active",
  "cas_number": "58-08-2",
  "risk_level": "low"
}
European UnionEuropean Union[EU]
CLP Regulation (EC) 1272/2008
CLP
Listed
View →

The EU's classification, labelling and packaging rules; a listing assigns the substance harmonised hazard classes such as carcinogenic, toxic, or corrosive.

{
  "source": "ECHA CLP Annex VI (harmonised C&L)",
  "index_no": "613-086-00-5",
  "ec_number": "200-362-1",
  "cas_number": "58-08-2",
  "hazard_class": "Acute Tox. 4 *",
  "chemical_name": "caffeine",
  "hazard_statements": "H302"
}
EMA Authorised Medicines (EPAR)
EMA MEDICINES
Authorised
View →

Medicines authorised in the EU; a listing means the substance is an approved active ingredient in a human or veterinary medicine.

{
  "inn": "caffeine",
  "source": "EMA medicines JSON",
  "atc_code": "N06BC01",
  "category": "Human",
  "medicine": "Peyona (previously Nymusa)",
  "cas_number": "",
  "chemical_name": "caffeine",
  "active_substance": "Caffeine citrate",
  "authorisation_status": "Authorised"
}
EU REACH Registered Substances
EU REACH REGISTERED
Listed
View →
{
  "source": "EU REACH Registered Substances (ECHA CHEM)",
  "ec_number": "200-362-1",
  "cas_number": "58-08-2",
  "chemical_name": "Caffeine"
}
United KingdomUnited Kingdom[UK]
GB Mandatory Classification & Labelling
GB MCL
Listed
View →

Great Britain's mandatory classification & labelling; a listing assigns the substance legally binding GB hazard classifications.

{
  "source": "GB MCL (HSE)",
  "ec_number": "200-362-1",
  "cas_number": "58-08-2",
  "hazard_class": "Acute Tox. 4 *",
  "chemical_name": "caffeine",
  "hazard_statements": "H302"
}
International[INTERNATIONAL]
IARC Carcinogen Classification
IARC
Listed
View →

The WHO/IARC carcinogen classification; a listing assigns the substance a cancer-hazard group, e.g. Group 1 (carcinogenic to humans).

{
  "source": "IARC Monographs",
  "volume": "51",
  "cas_number": "58-08-2",
  "iarc_group": "3",
  "chemical_name": "Caffeine",
  "evaluation_year": "1990"
}
CanadaCanada[CANADA]
Canada Domestic Substances List
CANADA DSL
Listed
View →

Canada's inventory of substances already in commerce; a listing means it can be manufactured or imported without new-substance notification.

{
  "source": "Canada Domestic Substances List (DSL)",
  "cas_number": "58-08-2",
  "identifier": "58-08-2",
  "publication": "Canada Gazette Part II, Vol. 128, No. 9, May 4, 1994, SOR/94-311 (http://central.bac-lac.gc.ca/.redirect?app=cangaz&id=14339&lang=eng)",
  "identifier_2": "",
  "chemical_name": "1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-",
  "additional_information": "This substance is on the Domestic Substances List (DSL). \n \nThis substance was added to the DSL as an “Existing Substance” given that it meets the criteria set out in the Canadian Environmental Protection Act, 1999 for substances that were in commerce in Canada between 1984 and 1986."
}
AustraliaAustralia[AUSTRALIA]
Australia Safe Work GHS Classification (HCIS)
AU SWA GHS
Listed
View →

Australia's official workplace hazard classification; a listing assigns the substance harmonised GHS health and physical-hazard categories.

{
  "source": "Safe Work Australia HCIS (via PubChem GHS Classification)",
  "cas_number": "58-08-2",
  "pictograms": [],
  "pubchem_cid": "2519",
  "signal_word": "Warning",
  "chemical_name": "CFF",
  "hazard_statements": [
    "H302: Harmful if swallowed [Warning Acute toxicity, oral]"
  ]
}
New ZealandNew Zealand[NEW ZEALAND]
Not ListedNot listed in any New Zealand framework on record.
FranceFrance[FRANCE]
Not ListedNot listed in any France framework on record.
SwitzerlandSwitzerland[SWITZERLAND]
Not ListedNot listed in any Switzerland framework on record.
NE-Atlantic[NE-ATLANTIC]
Not ListedNot listed in any NE-Atlantic framework on record.
JapanJapan[JAPAN]
Japan NITE GHS Classification
JP NITE GHS
Listed
View →

Japan's official GHS hazard classification (NITE); a listing assigns the substance harmonised GHS health and physical-hazard categories.

{
  "source": "Japan NITE-CMC (via PubChem GHS Classification)",
  "cas_number": "58-08-2",
  "pictograms": [],
  "pubchem_cid": "2519",
  "signal_word": "Danger",
  "chemical_name": "CFF",
  "hazard_statements": [
    "H301: Toxic if swallowed [Danger Acute toxicity, oral]",
    "H332: Harmful if inhaled [Warning Acute toxicity, inhalation]",
    "H360: May damage fertility or the unborn child [Danger Reproductive toxicity]"
  ]
}

Data as of 2026-10-26·All sources and refresh dates

Get this
via the API

One request returns the identity, identifiers and every listing above as JSON — the same data this page is rendered from.

bash
curl -H "X-API-Key: YOUR_KEY" \
  "https://www.chemply.io/api/v1/lookup?q=58-08-2"

Each lookup costs one credit; a new account starts with 50 free credits, no card needed.
Read the API docs →·Get an API key →

Look up another substance

Any name, CAS number, InChIKey, SMILES or PubChem CID — free in the browser, no account needed.

[TRY]

Other popular substances