25-Hydroxy Vitamin D3-d6

About 25-Hydroxy Vitamin D3-d6

25-Hydroxy Vitamin D3-d6 is an impurity of Calcifediol carrying the CAS registry number 78782-98-6. With the molecular formula C27H44O2, it has a molar mass of 406.7 g/mol. It is also known as Calcifediol-d6 or D6-25-hydroxyvitamin D3.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Calcifediol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. 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 Calcifediol

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

Calcifediol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	25-Hydroxy Vitamin D3-d6
Catalogue No.	VQ-029774
CAS Number	78782-98-6
IUPAC name	(1S,3Z)-3-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-7,7,7-trideuterio-6-hydroxy-6-(trideuteriomethyl)heptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexan-1-ol
Molecular formula	C₂₇H₄₄O₂
Molecular weight	406.7 g/mol
Exact mass	406.3718
Grade	Reference Standard
HSN code	38229090
InChIKey	JWUBBDSIWDLEOM-QFVHMXLQSA-N
SMILES	[2H]C([2H])([2H])C(CCC[C@@H](C)[C@H]1CC[C@@H]\2[C@@]1(CCC/C2=C\C=C/3\C[C@H](CCC3=C)O)C)(C([2H])([2H])[2H])O
PubChem CID	66577010

Physical properties
Physical form	Solid
LogP (XLogP3)	6.2
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	Calcifediol-d6, D6-25-hydroxyvitamin D3, D6-25-hydroxyvitamin D3 (26,26,26,27,27,27-d6), 25-Hydroxy Vitamin D3 (26,26,26,27,27,27-d6), (3S,5Z,7E)-(26,26,26,27,27,27-~2~H_6_)-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 25-Hydroxy Vitamin D3-d6?

The CAS Registry Number of 25-Hydroxy Vitamin D3-d6 is 78782-98-6. It is also known as Calcifediol-d6, D6-25-hydroxyvitamin D3, D6-25-hydroxyvitamin D3 (26,26,26,27,27,27-d6).

What is the molecular formula and molecular weight of 25-Hydroxy Vitamin D3-d6?

25-Hydroxy Vitamin D3-d6 has the molecular formula C27H44O2 and a molecular weight of 406.7 g/mol.

What is 25-Hydroxy Vitamin D3-d6 used for?

25-Hydroxy Vitamin D3-d6 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 Vitamin D3-d6 can I order?

We supply 25-Hydroxy Vitamin D3-d6 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 Vitamin D3-d6?

Yes. Every lot of 25-Hydroxy Vitamin D3-d6 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 Vitamin D3-d6 be shipped internationally?

Yes. 25-Hydroxy Vitamin D3-d6 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.