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Pharmacopeial Impurities (EP / USP / BP)

Cholesterol EP Impurity A

Reference StandardAvailable on request

Buy Cholesterol EP Impurity A (CAS 80-99-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-023934.

Pack sizes
Cholesterol EP Impurity A chemical structure
CAS number80-99-9
FormulaC27H46O
Molar mass386.7 g/mol
Physical formSolid
HS code38229090
InChIKeyIZVFFXVYBHFIHY-SKCNUYALSA-N
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

About Cholesterol EP Impurity A

Analytical teams working on Cholesterol use Cholesterol EP Impurity A as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 80-99-9, formula C27H46O and molar mass 386.7 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • 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. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cholesterol

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

Cholesterol 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 Cholesterol EP Impurity A
Product nameCholesterol EP Impurity A
Catalogue numberZX-023934
CAS number80-99-9
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 formulaC27H46O
Molar mass386.7 g/mol
Exact mass386.3549
GradeReference Standard
Physical formSolid
XLogP38.3
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyIZVFFXVYBHFIHY-SKCNUYALSA-N
SMILESC[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 CID65728
SynonymsLathosterol, 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, delta(sup 7)-Cholestenol

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 Cholesterol EP 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 Cholesterol EP Impurity A

Which CAS number identifies Cholesterol EP Impurity A?
Cholesterol EP Impurity A is registered under CAS 80-99-9. You may also see it listed as Lathosterol, Cholesterol - Impurity A, 5alpha-Cholest-7-en-3beta-ol. Our catalogue number for this item is ZX-023934.
What are the formula and molar mass of Cholesterol EP Impurity A?
For Cholesterol EP Impurity A, its formula is C27H46O and its molar mass is 386.7 g/mol. The systematic (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. InChIKey IZVFFXVYBHFIHY-SKCNUYALSA-N lets you match it in any structure database.
How is Cholesterol EP Impurity A used in pharmaceutical QC?
Cholesterol EP Impurity A is a characterised reference material linked to Cholesterol. 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 Cholesterol EP 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 Cholesterol EP 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 Cholesterol EP Impurity A to my country?
Yes. Cholesterol EP Impurity A ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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