Cholesterol EP Impurity A

About Cholesterol EP Impurity A

Cholesterol EP Impurity A is a pharmacopeial impurity of Cholesterol carrying the CAS registry number 80-99-9. The compound has the formula C27H46O, corresponding to a molecular weight of 386.7 g/mol. Common synonyms include Lathosterol and Cholesterol - Impurity A.

It is supplied 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.

This Cholesterol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Cholesterol

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

Cholesterol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cholesterol EP Impurity A
Catalogue No.	VQ-024959
CAS Number	80-99-9
IUPAC name	(3S,5S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol
Molecular formula	C₂₇H₄₆O
Molecular weight	386.7 g/mol
Exact mass	386.3549
Grade	Reference Standard
HSN code	38229090
InChIKey	IZVFFXVYBHFIHY-SKCNUYALSA-N
SMILES	C[C@H](CCCC(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC[C@@H]4[C@@]3(CC[C@@H](C4)O)C)C
PubChem CID	65728

Physical properties
Physical form	Solid
LogP (XLogP3)	8.3
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	Lathosterol, Cholesterol - Impurity A, 5alpha-Cholest-7-en-3beta-ol, gamma-Cholesterol, Cholest-7-en-3beta-ol, Cholest-7-en-3-ol, (3b,5a)-, 7-Cholesten-3-beta-ol, 5, A-Cholest-7-en-3, A-ol, 5-alpha-Cholest-7-en-3-beta-ol, 7-Cholesterol

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 Cholesterol EP Impurity A?

The CAS Registry Number of Cholesterol EP Impurity A is 80-99-9. It is also known as Lathosterol, Cholesterol - Impurity A, 5alpha-Cholest-7-en-3beta-ol.

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

Cholesterol EP Impurity A has the molecular formula C27H46O and a molecular weight of 386.7 g/mol. Its IUPAC name is (3S,5S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol.

What is Cholesterol EP Impurity A used for?

Cholesterol EP Impurity A is supplied as a characterised reference material related to Cholesterol. 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 Cholesterol EP Impurity A can I order?

We supply Cholesterol EP Impurity A 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 Cholesterol EP Impurity A?

Yes. Every lot of Cholesterol EP Impurity A 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 Cholesterol EP Impurity A be shipped internationally?

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