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Pharmacopeial Impurities (EP / USP / BP)

Calcifediol EP Impurity B

Reference StandardAvailable on request

Calcifediol EP Impurity B (CAS 22145-68-2) supplier Zemixal: C27H44O2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-020102.

Pack sizes
Calcifediol EP Impurity B chemical structure
CAS number22145-68-2
FormulaC27H44O2
Molar mass400.6 g/mol
Physical formSolid
HS code38229090
InChIKeyJJFYNCJHSCTBPW-TVQCKQBJSA-N
IUPAC name(3S,9S,10R,13R,14R,17R)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol

About Calcifediol EP Impurity B

Calcifediol EP Impurity B is supplied by Zemixal as a characterised reference material for Calcifediol analysis. For your records (Reference Standard), the material is defined by CAS 22145-68-2, formula C27H44O2 and molar mass 400.6 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H300, H310, H330 and H372. Read the SDS before first use.

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Calcifediol

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

Calcifediol 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 Calcifediol EP Impurity B
Product nameCalcifediol EP Impurity B
Catalogue numberZX-020102
CAS number22145-68-2
IUPAC name(3S,9S,10R,13R,14R,17R)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Molecular formulaC27H44O2
Molar mass400.6 g/mol
Exact mass400.3341
GradeReference Standard
Physical formSolid
XLogP36.2
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyJJFYNCJHSCTBPW-TVQCKQBJSA-N
SMILESC[C@H](CCCC(C)(C)O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@@]3(CC[C@@H](C4)O)C)C
PubChem CID9908983
SynonymsCalcifediol - Impurity B, 25-Hydroxy-7-dehydrocholesterol, cholesta-5,7-diene-3beta,25-diol, 7-Dehydro-25-hydroxycholesterol, 25-Hydroxy-7-dehydrocholesterol, (-)-, 25-hydroxy-7-DHC, Impurity B of Calcifediol, (3beta)-cholesta-5,7-diene-3,25-diol, Cholesta-5,7-diene-3,25-diol, (3beta)-, Calcifediol Impurity 13, 25-OH-7-DHC, cholest-5,7-diene-3beta,25-diol

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS08 Health hazard
Health hazard

Signal word Danger

  • H300Fatal if swallowed
  • H310Fatal in contact with skin
  • H330Fatal if inhaled
  • H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements P260, P262, P264, P270, P271, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P319, P320, P321, P330, P361 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Calcifediol 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 Calcifediol EP Impurity B

Which CAS number identifies Calcifediol EP Impurity B?
Calcifediol EP Impurity B is registered under CAS 22145-68-2. You may also see it listed as Calcifediol - Impurity B, 25-Hydroxy-7-dehydrocholesterol, cholesta-5,7-diene-3beta,25-diol. Our catalogue number for this item is ZX-020102.
What are the formula and molar mass of Calcifediol EP Impurity B?
For Calcifediol EP Impurity B, its formula is C27H44O2 and its molar mass is 400.6 g/mol. The systematic (IUPAC) name is (3S,9S,10R,13R,14R,17R)-17-[(2R)-6-hydroxy-6-methylheptan-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol. InChIKey JJFYNCJHSCTBPW-TVQCKQBJSA-N lets you match it in any structure database.
How is Calcifediol EP Impurity B used in pharmaceutical QC?
Calcifediol EP Impurity B is a characterised reference material linked to Calcifediol. 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 Calcifediol 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 Calcifediol 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 Calcifediol EP Impurity B to my country?
Yes. Because Calcifediol EP Impurity B is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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