Vitamin A EP Impurity C

Name: Vitamin A EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-028726

About Vitamin A EP Impurity C

Vaqora Chemicals supplies Vitamin A EP Impurity C, a pharmacopeial impurity of Retinol registered under CAS number 16729-22-9. Its molecular formula is C20H30O and its molecular weight is 286.5 g/mol. Its 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. It is also known as all-trans-Retro Retinol or Retinol EP Impurity C.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Retinol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Vitamin A EP Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Retinol

View every impurity, metabolite and intermediate we list for Retinol.

Retinol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Vitamin A EP Impurity C
Catalogue No.	VQ-028726
CAS Number	16729-22-9
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 formula	C₂₀H₃₀O
Molecular weight	286.5 g/mol
Exact mass	286.2297
Grade	Reference Standard
HSN code	38229090
InChIKey	LWSSYLJSLZBNKE-YIAYGWAFSA-N
SMILES	CC\1=CCCC(/C1=C/C=C(\C)/C=C/C=C(\C)/CCO)(C)C
PubChem CID	5378255

Physical properties
Physical form	Solid
LogP (XLogP3)	5.7
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	all-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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Vitamin A EP Impurity C?

The CAS Registry Number of Vitamin A EP Impurity C is 16729-22-9. It is also known as all-trans-Retro Retinol, Retinol EP Impurity C, Vitamin A Impurity C (retro-Vitamin A).

What is the molecular formula and molecular weight of Vitamin A EP Impurity C?

Vitamin A EP Impurity C has the molecular formula C20H30O and a molecular weight of 286.5 g/mol. Its 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.

What is Vitamin A EP Impurity C used for?

Vitamin A EP Impurity C is supplied as a characterised reference material related to Retinol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Vitamin A EP Impurity C can I order?

We supply Vitamin A EP Impurity C in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Vitamin A EP Impurity C?

Yes. Every lot of Vitamin A EP Impurity C is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Vitamin A EP Impurity C be shipped internationally?

Yes. We export Vitamin A EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.