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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

25-Hydroxyvitamin D2

Synonyms: 25-Hydroxycalciferol · 25-Hydroxyergocalciferol · 9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol, (3beta,5Z,7E,22E)- · 9,10-Secoergosta-5,7,10(19),22-tetraene-3 beta,25-diol

CAS No.21343-40-8
FormulaC28H44O2
Mol. weight412.60
Catalogue No.VQ-037043
PurityReference Standard
HSN38229090

25-Hydroxyvitamin D2 (CAS 21343-40-8) – Ergocalciferol impurity standard. C28H44O2, MW 412.6. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 25-Hydroxyvitamin D2

Vaqora Chemicals supplies 25-Hydroxyvitamin D2, an impurity of Ergocalciferol registered under CAS number 21343-40-8. Its molecular formula is C28H44O2 and its molecular weight is 412.6 g/mol. Common synonyms include 25-Hydroxycalciferol and 25-Hydroxyergocalciferol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Pharmaceutical QC and development laboratories use this impurity standard of Ergocalciferol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 25-Hydroxyvitamin D2 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Ergocalciferol

View every impurity, metabolite and intermediate we list for Ergocalciferol.

Ergocalciferol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name25-Hydroxyvitamin D2
Catalogue No.VQ-037043
CAS Number21343-40-8
IUPAC name(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5S)-6-hydroxy-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 formulaC28H44O2
Molecular weight412.6 g/mol
Exact mass412.3341
GradeReference Standard
HSN code38229090
InChIKeyKJKIIUAXZGLUND-ICCVIKJNSA-N
SMILESC[C@H](/C=C/[C@H](C)C(C)(C)O)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C
PubChem CID5710148
Physical properties
Physical formSolid
LogP (XLogP3)6
H-bond donors / acceptors2 / 2
TPSA40.5 Ų
Synonyms25-Hydroxycalciferol, 25-Hydroxyergocalciferol, 9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol, (3beta,5Z,7E,22E)-, 9,10-Secoergosta-5,7,10(19),22-tetraene-3 beta,25-diol, Ercalcidiol, 25-hydroxyergocalciferol-

Safety & hazard information (GHS)

GHS06 Toxic
Toxic
GHS08 Health hazard
Health hazard

Signal word: Danger

Hazard statements

  • H301+H311Toxic if swallowed or in contact with skin
  • H301Toxic if swallowed
  • H311Toxic 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of 25-Hydroxyvitamin D2?

The CAS Registry Number of 25-Hydroxyvitamin D2 is 21343-40-8. It is also known as 25-Hydroxycalciferol, 25-Hydroxyergocalciferol, 9,10-Secoergosta-5,7,10(19),22-tetraene-3,25-diol, (3beta,5Z,7E,22E)-.

What is the molecular formula and molecular weight of 25-Hydroxyvitamin D2?

25-Hydroxyvitamin D2 has the molecular formula C28H44O2 and a molecular weight of 412.6 g/mol.

What is 25-Hydroxyvitamin D2 used for?

25-Hydroxyvitamin D2 is supplied as a characterised reference material related to Ergocalciferol. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 25-Hydroxyvitamin D2 can I order?

We supply 25-Hydroxyvitamin D2 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 25-Hydroxyvitamin D2?

Yes. Every lot of 25-Hydroxyvitamin D2 is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 25-Hydroxyvitamin D2 be shipped internationally?

Yes. 25-Hydroxyvitamin D2 is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about 25-Hydroxyvitamin D2

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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