Warfarin

CAS 951658-59-6C19H16O4MW 308.3

Warfarin (CAS 951658-59-6) — formula C19H16O4, molecular weight 308.3.

Product Overview

CAS Number	951658-59-6
Molecular Formula	C19H16O4
Molecular Weight	308.3
Melting Point	322 °F (EPA, 1998)
Boiling Point	356 °C @760 [mm Hg]
LogP	2.7

Technical Profile

What this product is

Warfarin is a chemical compound with CAS registry number 951658-59-6 and molecular formula C19H16O4 (molecular weight 308.3).

Identification

CAS number: 951658-59-6

Its molecular formula C19H16O4 comprises 19 C, 16 H, 4 O atoms.

Also known as: Warfarin · 华法林

Frequently Asked Questions

What is the CAS number of Warfarin?

The CAS registry number of Warfarin is 951658-59-6.

What is the molecular formula and molecular weight of Warfarin?

Molecular formula C19H16O4, molecular weight 308.3.

What other names is Warfarin known by?

It is also registered under: Warfarin, 华法林.

PubChem Public Data

Independent reference data for Warfarin (CAS 951658-59-6), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	951658-59-6
PubChem CID	54678486
Molecular formula	C19H16O4
IUPAC name	4-hydroxy-3-(3-oxo-1-phenylbutyl)chromen-2-one
UNII (FDA)	5Q7ZVV76EI

Computed descriptors

Molecular Weight	308.3
XLogP3	2.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	4
Exact Mass	308.10485899
Monoisotopic Mass	308.10485899
Topological Polar Surface Area	63.6
Heavy Atom Count	23

Physicochemical values on record

Boiling Point	356 °C @760 [mm Hg]
Melting Point	322 °F (EPA, 1998)
Melting Point	161
Melting Point	161 °C
Melting Point	322 °F
Solubility	0.002 % (NIOSH, 2024)
Solubility	17
Solubility	In water, 17 mg/L at 20 °C
Solubility	0.017 mg/mL at 20 °C
Solubility	0.002%

Documented uses on record

Synonyms and trade names

warfarin; 81-81-2; Coumafene; Zoocoumarin; Coumafen; Brumolin; Coumefene; Dethmor; Kumader; Warfarine; Kumadu; Vampirinip II; Coumarins; Kypfarin; Rodafarin; Solfarin

GHS hazard classification

Reported hazard statements	H300, H310, H330, H372, H411, H312 (18.9%), H319 (17.4%), H360 (98%)

H300: Fatal if swallowed [Danger Acute toxicity, oral]

H310: Fatal in contact with skin [Danger Acute toxicity, dermal]

What the public record says

Warfarin · CAS 951658-59-6 · C19H16O4. UNII 5Q7ZVV76EI. Boiling Point: 356 °C @760 [mm Hg]; Melting Point: 322 °F (EPA, 1998); Melting Point: 161.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.