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API Impurities

Warfarin Sodium - Impurity A

Reference StandardAvailable on request

Warfarin Sodium - Impurity A (CAS 15156-56-6) supplier Zemixal: C18H16O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Warfarin Sodium - Impurity A chemical structure
CAS number15156-56-6
FormulaC18H16O2
Molar mass264.3 g/mol
Physical formSolid
HS code38229090
InChIKeyLVBFZATWXZBJHG-UHFFFAOYSA-N
IUPAC name3-(2-hydroxyphenyl)-5-phenylcyclohex-2-en-1-one

About Warfarin Sodium - Impurity A

Warfarin Sodium - Impurity A belongs to the Warfarin reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 15156-56-6, formula C18H16O2 and molar mass 264.3 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Safe handling

Hazard communication follows GHS (Warning: H302). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Warfarin

See every impurity, metabolite and related compound we list for this API.

Warfarin standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of Warfarin Sodium - Impurity A
Product nameWarfarin Sodium - Impurity A
Catalogue numberZX-023048
CAS number15156-56-6
IUPAC name3-(2-hydroxyphenyl)-5-phenylcyclohex-2-en-1-one
Molecular formulaC18H16O2
Molar mass264.3 g/mol
Exact mass264.115
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyLVBFZATWXZBJHG-UHFFFAOYSA-N
SMILESC1C(CC(=O)C=C1C2=CC=CC=C2O)C3=CC=CC=C3
PubChem CID72941509
SynonymsWarfarin EP Impurity A, 3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone, 3-(o-Hydroxyphenyl)-5-phenyl-2-cyclohexen-1-one, (5RS)-3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone, 3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone, (5RS)-, 2''-Hydroxy-1',6'-dihydro-[1,1':3',1''-terphenyl]-5'(2'H)-one, Alice's Ketone

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Warfarin Sodium - Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Warfarin Sodium - Impurity A

Which CAS number identifies Warfarin Sodium - Impurity A?
Warfarin Sodium - Impurity A is registered under CAS 15156-56-6. You may also see it listed as Warfarin EP Impurity A, 3-(2-Hydroxyphenyl)-5-phenylcyclohex-2-enone, 3-(o-Hydroxyphenyl)-5-phenyl-2-cyclohexen-1-one. Our catalogue number for this item is ZX-023048.
What are the formula and molar mass of Warfarin Sodium - Impurity A?
For Warfarin Sodium - Impurity A, its formula is C18H16O2 and its molar mass is 264.3 g/mol. The systematic (IUPAC) name is 3-(2-hydroxyphenyl)-5-phenylcyclohex-2-en-1-one. InChIKey LVBFZATWXZBJHG-UHFFFAOYSA-N lets you match it in any structure database.
How is Warfarin Sodium - Impurity A used in pharmaceutical QC?
Warfarin Sodium - Impurity A is a characterised reference material linked to Warfarin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Warfarin Sodium - Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Warfarin Sodium - Impurity A?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Warfarin Sodium - Impurity A to my country?
Yes. Because Warfarin Sodium - Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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