Calcitriol EP Impurity A

Name: Calcitriol EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-021049

About Calcitriol EP Impurity A

Calcitriol EP Impurity A is a pharmacopeial impurity of Calcitriol carrying the CAS registry number 73837-24-8. Formula C27H44O3, molecular weight 416.6 g/mol. Common synonyms include Calcitriol - Impurity A and trans-Calcitriol.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Calcitriol 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 Calcitriol EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Calcitriol

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

Calcitriol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Calcitriol EP Impurity A
Catalogue No.	VQ-021049
CAS Number	73837-24-8
IUPAC name	trans-(1R,3S,5E)-5-[(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-methylidenecyclohexane-1,3-diol
Molecular formula	C₂₇H₄₄O₃
Molecular weight	416.6 g/mol
Exact mass	416.329
Grade	Reference Standard
HSN code	38229090
InChIKey	GMRQFYUYWCNGIN-DRQJEBLXSA-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](C[C@@H](C3=C)O)O)C
PubChem CID	5283740

Physical properties
Physical form	Solid
LogP (XLogP3)	5.1
H-bond donors / acceptors	3 / 3
TPSA	60.7 Å²
Synonyms	Calcitriol - Impurity A, (5E,7E)-(1S,3R)-9,10-seco-5,7,10(19)-cholestatriene-1,3,25-triol, trans-Calcitriol, Calcitriol Impurities A, 5,6-trans-Calcitriol, 5,6-trans Calcitriol, (5E)-1alpha,25-Dihydroxycholecalciferol, (5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1alpha,3beta,25-triol, CS-M0064, 1,25-Dihydroxy-5,6-trans-vitamin D, 9,10-Secocholesta-5,7,10(19)-triene-1,3,25-triol, (1alpha,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 Calcitriol EP Impurity A?

The CAS Registry Number of Calcitriol EP Impurity A is 73837-24-8. It is also known as Calcitriol - Impurity A, (5E,7E)-(1S,3R)-9,10-seco-5,7,10(19)-cholestatriene-1,3,25-triol, trans-Calcitriol.

What is the molecular formula and molecular weight of Calcitriol EP Impurity A?

Calcitriol EP Impurity A has the molecular formula C27H44O3 and a molecular weight of 416.6 g/mol.

What is Calcitriol EP Impurity A used for?

Calcitriol EP Impurity A is supplied as a characterised reference material related to Calcitriol. 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 Calcitriol EP Impurity A can I order?

We supply Calcitriol EP Impurity A 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 Calcitriol EP Impurity A?

Yes. Every lot of Calcitriol EP Impurity A 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 Calcitriol EP Impurity A be shipped internationally?

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