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Pharmacopeial Impurities (EP / USP / BP)

Vitamin A EP Impurity C

Reference StandardAvailable on request

Order Vitamin A EP Impurity C (CAS 16729-22-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-027606.

Pack sizes
Vitamin A EP Impurity C chemical structure
CAS number16729-22-9
FormulaC20H30O
Molar mass286.5 g/mol
Physical formSolid
HS code38229090
InChIKeyLWSSYLJSLZBNKE-YIAYGWAFSA-N
IUPAC name(3E,5E,7E,9Z)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol

About Vitamin A EP Impurity C

Analytical teams working on Retinol use Vitamin A EP Impurity C as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 16729-22-9, formula C20H30O and molar mass 286.5 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Retinol

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

Retinol standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Vitamin A EP Impurity C
Product nameVitamin A EP Impurity C
Catalogue numberZX-027606
CAS number16729-22-9
IUPAC name(3E,5E,7E,9Z)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol
Molecular formulaC20H30O
Molar mass286.5 g/mol
Exact mass286.2297
GradeReference Standard
Physical formSolid
XLogP35.7
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyLWSSYLJSLZBNKE-YIAYGWAFSA-N
SMILESCC\1=CCCC(/C1=C/C=C(\C)/C=C/C=C(\C)/CCO)(C)C
PubChem CID5378255
Synonymsall-trans-Retro Retinol, Retinol EP Impurity C, Vitamin A Impurity C (retro-Vitamin A), Retinol - Impurity C, 4,14-Retro-retinol, retro-Vitamin A, Retroretinol, (6Z,8E,10E,12E)-4,5-Didehydro-5,14-dihydroretinol

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Vitamin A EP Impurity C
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 Vitamin A EP Impurity C

Which CAS number identifies Vitamin A EP Impurity C?
Vitamin A EP Impurity C is registered under CAS 16729-22-9. You may also see it listed as all-trans-Retro Retinol, Retinol EP Impurity C, Vitamin A Impurity C (retro-Vitamin A). Our catalogue number for this item is ZX-027606.
What are the formula and molar mass of Vitamin A EP Impurity C?
For Vitamin A EP Impurity C, its formula is C20H30O and its molar mass is 286.5 g/mol. The systematic (IUPAC) name is (3E,5E,7E,9Z)-3,7-dimethyl-9-(2,6,6-trimethylcyclohex-2-en-1-ylidene)nona-3,5,7-trien-1-ol. InChIKey LWSSYLJSLZBNKE-YIAYGWAFSA-N lets you match it in any structure database.
How is Vitamin A EP Impurity C used in pharmaceutical QC?
Vitamin A EP Impurity C is a characterised reference material linked to Retinol. 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 Vitamin A EP Impurity C?
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 Vitamin A EP Impurity C?
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 Vitamin A EP Impurity C to my country?
Yes. Vitamin A EP Impurity C ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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