3-epi-25-Hydroxy Vitamin D3

Name: 3-epi-25-Hydroxy Vitamin D3
Brand: Vaqora Chemicals
SKU: VQ-029773

About 3-epi-25-Hydroxy Vitamin D3

Listed under CAS 73809-05-9, 3-epi-25-Hydroxy Vitamin D3 is an impurity of Ergocalciferol available from Vaqora Chemicals. Its molecular formula is C27H44O2 and its molecular weight is 400.6 g/mol. It is also known as 3-Epi-25-Hydroxy Vitamin D3-d6 or 25-Hydroxy-3-epivitamin D3.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 5 hazard statements. Review the Safety Data Sheet before use.

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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export 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 name	3-epi-25-Hydroxy Vitamin D3
Catalogue No.	VQ-029773
CAS Number	73809-05-9
IUPAC name	(1R,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Molecular formula	C₂₇H₄₄O₂
Molecular weight	400.6 g/mol
Exact mass	400.3341
Grade	Reference Standard
HSN code	38229090
InChIKey	JWUBBDSIWDLEOM-UEGFJKGBSA-N
SMILES	C[C@H](CCCC(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 CID	9952843

Physical properties
Physical form	Solid
LogP (XLogP3)	6.2
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	3-Epi-25-Hydroxy Vitamin D3-d6, 25-Hydroxy-3-epivitamin D3, (5Z,7E)-(3R)-9,10-seco-5,7,10(19)-cholestatriene-3,25-diol, 3-epi-Calcifediol, (3b,5Z,7E)- 9,10-Secocholesta-5,7,10(19)-triene-3,25-diol, (3R,5Z,7E)-9,10-Secocholesta-5,7,10-triene-3,25-diol

Safety & hazard information (GHS)

Toxic

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

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-epi-25-Hydroxy Vitamin D3?

The CAS Registry Number of 3-epi-25-Hydroxy Vitamin D3 is 73809-05-9. It is also known as 3-Epi-25-Hydroxy Vitamin D3-d6, 25-Hydroxy-3-epivitamin D3, (5Z,7E)-(3R)-9,10-seco-5,7,10(19)-cholestatriene-3,25-diol.

What is the molecular formula and molecular weight of 3-epi-25-Hydroxy Vitamin D3?

3-epi-25-Hydroxy Vitamin D3 has the molecular formula C27H44O2 and a molecular weight of 400.6 g/mol.

What is 3-epi-25-Hydroxy Vitamin D3 used for?

3-epi-25-Hydroxy Vitamin D3 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 3-epi-25-Hydroxy Vitamin D3 can I order?

We supply 3-epi-25-Hydroxy Vitamin D3 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 3-epi-25-Hydroxy Vitamin D3?

Yes. Every lot of 3-epi-25-Hydroxy Vitamin D3 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 3-epi-25-Hydroxy Vitamin D3 be shipped internationally?

Yes. 3-epi-25-Hydroxy Vitamin D3 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.