25-Hydroxy previtamin D3

Name: 25-Hydroxy previtamin D3
Brand: Vaqora Chemicals
SKU: VQ-035534

About 25-Hydroxy previtamin D3

Listed under CAS 23357-18-8, 25-Hydroxy previtamin D3 is an impurity of Calcifediol available from Vaqora Chemicals. The compound has the formula C27H44O2, corresponding to a molecular weight of 400.6 g/mol.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Calcifediol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 25-Hydroxy previtamin D3 in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Calcifediol

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

Calcifediol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	25-Hydroxy previtamin D3
Catalogue No.	VQ-035534
CAS Number	23357-18-8
IUPAC name	(1S)-3-[(Z)-2-[(1R,3aR,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methylcyclohex-3-en-1-ol
Molecular formula	C₂₇H₄₄O₂
Molecular weight	400.6 g/mol
Exact mass	400.3341
Grade	Reference Standard
HSN code	38229090
InChIKey	UVVWRMXOHIVZBN-ZIWYXPTCSA-N
SMILES	CC1=C(C[C@H](CC1)O)/C=C\C2=CCC[C@]3([C@H]2CC[C@@H]3[C@H](C)CCCC(C)(C)O)C
PubChem CID	134990442

Physical properties
Physical form	Solid
LogP (XLogP3)	5.9
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²

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 25-Hydroxy previtamin D3?

The CAS Registry Number of 25-Hydroxy previtamin D3 is 23357-18-8.

What is the molecular formula and molecular weight of 25-Hydroxy previtamin D3?

25-Hydroxy previtamin D3 has the molecular formula C27H44O2 and a molecular weight of 400.6 g/mol. Its IUPAC name is (1S)-3-[(Z)-2-[(1R,3aR,7aR)-1-[(2R)-6-hydroxy-6-methylheptan-2-yl]-7a-methyl-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methylcyclohex-3-en-1-ol.

What is 25-Hydroxy previtamin D3 used for?

25-Hydroxy previtamin D3 is supplied as a characterised reference material related to Calcifediol. 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-Hydroxy previtamin D3 can I order?

We supply 25-Hydroxy previtamin 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 25-Hydroxy previtamin D3?

Yes. Every lot of 25-Hydroxy previtamin 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 25-Hydroxy previtamin D3 be shipped internationally?

Yes. We export 25-Hydroxy previtamin D3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.