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Pharmacopeial Impurities (EP / USP / BP)

Ergocalciferol EP Impurity A

Reference StandardAvailable on request

Buy Ergocalciferol EP Impurity A (CAS 51744-66-2) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-024537.

Pack sizes
Ergocalciferol EP Impurity A chemical structure
CAS number51744-66-2
FormulaC28H44O
Molar mass396.6 g/mol
Physical formSolid
HS code38229090
InChIKeyMECHNRXZTMCUDQ-VLOQVYPSSA-N
IUPAC name(1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol

About Ergocalciferol EP Impurity A

Ergocalciferol EP Impurity A belongs to the Ergocalciferol reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 51744-66-2, formula C28H44O and molar mass 396.6 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

Handling and storage

Hazard communication follows GHS (Danger: H301, H311 and H330). Our SDS lists exposure controls and first-aid measures.

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 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 A
Product nameErgocalciferol EP Impurity A
Catalogue numberZX-024537
CAS number51744-66-2
IUPAC name(1S,3E)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-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
InChIKeyMECHNRXZTMCUDQ-VLOQVYPSSA-N
SMILESC[C@H](/C=C/[C@H](C)C(C)C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C\3/C[C@H](CCC3=C)O)C
PubChem CID6536972
SynonymsErgocalciferol - Impurity A, (5E,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3beta-ol, 5,6-trans-Ergocalciferol, 5,6-trans-Ergocalcifero, (5E,7E,22E)-(3S)-9,10-seco-5,7,10(19),22-ergostatetraen-3-ol, 9,10-Secoergosta-5,7,10(19),22-tetraen-3-ol, (3beta,5E,7E,22E)-

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

  • H301Toxic if swallowed
  • H311Toxic in contact with skin
  • H330Fatal if inhaled

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 Ergocalciferol 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 Ergocalciferol EP Impurity A

Which CAS number identifies Ergocalciferol EP Impurity A?
Ergocalciferol EP Impurity A is registered under CAS 51744-66-2. You may also see it listed as Ergocalciferol - Impurity A, (5E,7E,22E)-9,10-Secoergosta-5,7,10(19),22-tetraen-3beta-ol, 5,6-trans-Ergocalciferol. Our catalogue number for this item is ZX-024537.
What are the formula and molar mass of Ergocalciferol EP Impurity A?
For Ergocalciferol EP Impurity A, its formula is C28H44O and its molar mass is 396.6 g/mol. InChIKey MECHNRXZTMCUDQ-VLOQVYPSSA-N lets you match it in any structure database.
How is Ergocalciferol EP Impurity A used in pharmaceutical QC?
Ergocalciferol EP Impurity A 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 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 Ergocalciferol 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 Ergocalciferol EP Impurity A to my country?
Yes. Because Ergocalciferol EP Impurity A 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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