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Pharmacopeial Impurities (EP / USP / BP)

Alfacalcidol EP Impurity B

Reference StandardAvailable on request

Alfacalcidol EP Impurity B (CAS 63181-13-5) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-020538.

Pack sizes
Alfacalcidol EP Impurity B chemical structure
CAS number63181-13-5
FormulaC27H44O2
Molar mass400.6 g/mol
Physical formSolid
HS code38229090
InChIKeyOFHCOWSQAMBJIW-FLFCXVRSSA-N
IUPAC namecis-(1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol

About Alfacalcidol EP Impurity B

Alfacalcidol EP Impurity B is supplied by Zemixal as a characterised reference material for Alfacalcidol analysis. For your records (Reference Standard), the material is defined by CAS 63181-13-5, formula C27H44O2 and molar mass 400.6 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. 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 Alfacalcidol

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

Alfacalcidol 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 Alfacalcidol EP Impurity B
Product nameAlfacalcidol EP Impurity B
Catalogue numberZX-020538
CAS number63181-13-5
IUPAC namecis-(1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol
Molecular formulaC27H44O2
Molar mass400.6 g/mol
Exact mass400.3341
GradeReference Standard
Physical formSolid
XLogP36.8
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyOFHCOWSQAMBJIW-FLFCXVRSSA-N
SMILESC[C@H](CCCC(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](C[C@H](C3=C)O)O)C
PubChem CID5283720
Synonyms1beta-Calcidol, (5Z,7E)-(1R,3R)-9,10-seco-5,7,10(19)-cholestatriene-1,3-diol, (5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1beta,3beta-diol, 9,10-Secocholesta-5,7,10(19)-triene-1,3-diol, (1beta,3beta,5Z,7E)-, A-Calcidol, 1beta-hydroxycholecalciferol, (1R,3R,5Z,7E)-9,10-Secocholesta-5,7,10-triene-1,3-diol

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 Alfacalcidol EP Impurity B
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 Alfacalcidol EP Impurity B

Which CAS number identifies Alfacalcidol EP Impurity B?
Alfacalcidol EP Impurity B is registered under CAS 63181-13-5. You may also see it listed as 1beta-Calcidol, (5Z,7E)-(1R,3R)-9,10-seco-5,7,10(19)-cholestatriene-1,3-diol, (5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1beta,3beta-diol. Our catalogue number for this item is ZX-020538.
What are the formula and molar mass of Alfacalcidol EP Impurity B?
For Alfacalcidol EP Impurity B, its formula is C27H44O2 and its molar mass is 400.6 g/mol. InChIKey OFHCOWSQAMBJIW-FLFCXVRSSA-N lets you match it in any structure database.
How is Alfacalcidol EP Impurity B used in pharmaceutical QC?
Alfacalcidol EP Impurity B is a characterised reference material linked to Alfacalcidol. 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 Alfacalcidol EP Impurity B?
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 Alfacalcidol EP Impurity B?
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 Alfacalcidol EP Impurity B to my country?
Yes. Alfacalcidol EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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