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Pharmacopeial Impurities (EP / USP / BP)

Ergocalciferol EP Impurity B

Reference StandardAvailable on request

Buy Ergocalciferol EP Impurity B (CAS 57-87-4) from Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
Ergocalciferol EP Impurity B chemical structure
CAS number57-87-4
FormulaC28H44O
Molar mass396.6 g/mol
Physical formSolid
HS code38229090
InChIKeyDNVPQKQSNYMLRS-APGDWVJJSA-N
IUPAC name(3S,9S,10R,13R,14R,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol

About Ergocalciferol EP Impurity B

Ergocalciferol EP Impurity B belongs to the Ergocalciferol reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 57-87-4, formula C28H44O and molar mass 396.6 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

Hazard communication follows GHS (Danger: H300 and H413). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Ergocalciferol

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

Ergocalciferol 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 Ergocalciferol EP Impurity B
Product nameErgocalciferol EP Impurity B
Catalogue numberZX-024540
CAS number57-87-4
IUPAC name(3S,9S,10R,13R,14R,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol
Molecular formulaC28H44O
Molar mass396.6 g/mol
Exact mass396.3392
GradeReference Standard
Physical formSolid
XLogP37.4
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyDNVPQKQSNYMLRS-APGDWVJJSA-N
SMILESC[C@H](/C=C/[C@H](C)C(C)C)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3C2=CC=C4[C@@]3(CC[C@@H](C4)O)C)C
PubChem CID444679
SynonymsErgosterol, Ergosterol Impurity B, Ergocalciferol - Impurity B, Ergosterin, (22E)-ergosta-5,7,22-trien-3beta-ol, Ergosta-5,7,22E-trien-3beta-ol, Provitamin D 2, Ergosta-5,7,22-trien-3beta-ol, (22E,24S)-24-methylcholesta-5,7,22-trien-3beta-ol, Ergosta-5,7,22-trien-3-ol, (3b,22E)-, 24-Methylcholesta-5,7,22-trien-3beta-ol, (22e,24r)-ergosta-5,7,22-trien-3beta-ol

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

Signal word Danger

  • H300Fatal if swallowed
  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P264, P270, P273, P301 + P316, P321, P330, 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 Ergocalciferol 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 Ergocalciferol EP Impurity B

Which CAS number identifies Ergocalciferol EP Impurity B?
Ergocalciferol EP Impurity B is registered under CAS 57-87-4. You may also see it listed as Ergosterol, Ergosterol Impurity B, Ergocalciferol - Impurity B. Our catalogue number for this item is ZX-024540.
What are the formula and molar mass of Ergocalciferol EP Impurity B?
For Ergocalciferol EP Impurity B, its formula is C28H44O and its molar mass is 396.6 g/mol. The systematic (IUPAC) name is (3S,9S,10R,13R,14R,17R)-17-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol. InChIKey DNVPQKQSNYMLRS-APGDWVJJSA-N lets you match it in any structure database.
How is Ergocalciferol EP Impurity B used in pharmaceutical QC?
Ergocalciferol EP Impurity B is a characterised reference material linked to Ergocalciferol. 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 Ergocalciferol 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 Ergocalciferol 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 Ergocalciferol EP Impurity B to my country?
Yes. Because Ergocalciferol 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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