Skip to main content

(-)-Cotinine

Also known as: Cotinine, (S)-(-)-Cotinine, (5S)-1-Methyl-5-(3-pyridinyl)-2-pyrrolidinone, (S)-1-Methyl-5-(3-pyridyl)-2-pyrrolidinone, 2-Pyrrolidinone, 1-methyl-5-(3-pyridinyl)-, (5S)-

(-)-Cotinine (CAS 486-56-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H12N2O and a molecular weight of 176.215 g/mol. Key properties include a melting point of 40-42ºC, a boiling point of 316.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 166.7±25.9 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
486-56-6
Jingsj CID
J-31036-3
Molecular Formula
C10H12N2O
Molecular Weight
176.215 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point40-42ºC
Boiling Point316.0±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point166.7±25.9 °C
Exact Mass176.094955
PSA33.20000
LogP-0.23
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.556
Additional PropertyNot miscible or difficult to mix in water. Soluble in dimethyl sulfoxide (100 mM), ethanol (50 mg/ml, yielding a clear, faint yellow to yellow solution), methanol and chloroform.

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H370 — Causes damage to organs

Activity & Biological Data

TargetHuman Endogenous Metabolite

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (-)-Cotinine?

The CAS number of (-)-Cotinine is 486-56-6.

What are the molecular formula and molecular weight of (-)-Cotinine?

(-)-Cotinine has molecular formula C10H12N2O and molecular weight 176.215 g/mol.

Is (-)-Cotinine hazardous?

(-)-Cotinine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of (-)-Cotinine?

For (-)-Cotinine, Downstream Products: β-Nicotyrine, S-(-)-Nicotine-Δ1'(5')-iminium Diperchlorate Salt.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(-)-Cotinine (CAS 486-56-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31036-3 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.