Isovitamin D3

Name: Isovitamin D3
Brand: Vaqora Chemicals
SKU: VQ-043157

About Isovitamin D3

Isovitamin D3 is an impurity of Cholecalciferol carrying the CAS registry number 42607-12-5. Its molecular formula is C27H44O and its molecular weight is 384.6 g/mol. It is also known as 5E-Isocalciol or Toxisterol3 D2.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Cholecalciferol, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Isovitamin 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 Cholecalciferol

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

Cholecalciferol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Isovitamin D3
Catalogue No.	VQ-043157
CAS Number	42607-12-5
IUPAC name	(1S,5E)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylcyclohex-3-en-1-ol
Molecular formula	C₂₇H₄₄O
Molecular weight	384.6 g/mol
Exact mass	384.3392
Grade	Reference Standard
HSN code	38229090
InChIKey	LMBGVVOJTGHJNP-FVUVGDFOSA-N
SMILES	CC\1=CC[C@@H](C/C1=C\C=C\2/CCC[C@]3([C@H]2CC[C@@H]3[C@H](C)CCCC(C)C)C)O
PubChem CID	5314031

Physical properties
Physical form	Solid
LogP (XLogP3)	7.9
H-bond donors / acceptors	1 / 1
TPSA	20.2 Å²
Synonyms	5E-Isocalciol, Toxisterol3 D2, (5E)-Isovitamin D3/(5E)-isocholecalciferol, (5E,7E)-(3S)-9,10-seco-1(10),5,7-cholestatrien-3-ol, (5E)-isovitamin D3, (5E)-isocholecalciferol, (5E)-isovitamin D3 / (5E)-isocholecalciferol, 9,10-Secocholesta-1(10),5,7-trien-3-ol, (3beta,5E,7E)-

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 Isovitamin D3?

The CAS Registry Number of Isovitamin D3 is 42607-12-5. It is also known as 5E-Isocalciol, Toxisterol3 D2, (5E)-Isovitamin D3/(5E)-isocholecalciferol.

What is the molecular formula and molecular weight of Isovitamin D3?

Isovitamin D3 has the molecular formula C27H44O and a molecular weight of 384.6 g/mol. Its IUPAC name is (1S,5E)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylcyclohex-3-en-1-ol.

What is Isovitamin D3 used for?

Isovitamin D3 is supplied as a characterised reference material related to Cholecalciferol. 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 Isovitamin D3 can I order?

We supply Isovitamin 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 Isovitamin D3?

Yes. Every lot of Isovitamin 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 Isovitamin D3 be shipped internationally?

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