Calcitriol Lactone

Name: Calcitriol Lactone
Brand: Vaqora Chemicals
SKU: VQ-021960

About Calcitriol Lactone

Calcitriol Lactone (CAS 81203-50-1) is an impurity of Calcitriol offered by Vaqora Chemicals. Its molecular formula is C27H40O5 and its molecular weight is 444.6 g/mol. Alternative names: Calcitriol-26,23-lactone and 1,25-Lactone.

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 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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Calcitriol Lactone is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

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

Industries

Related to Calcitriol

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

Calcitriol impurities

Specifications & identifiers

Chemical identifiers
Product name	Calcitriol Lactone
Catalogue No.	VQ-021960
CAS Number	81203-50-1
IUPAC name	(3R,5S)-5-[(2R)-2-[(1R,3aS,4E,7aR)-4-[(2Z)-2-[(3S,5R)-3,5-dihydroxy-2-methylidenecyclohexylidene]ethylidene]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-1-yl]propyl]-3-hydroxy-3-methyloxolan-2-one
Molecular formula	C₂₇H₄₀O₅
Molecular weight	444.6 g/mol
Exact mass	444.2876
Grade	Reference Standard
HSN code	38229090
InChIKey	WMYIVSWWSRCZFA-RWVJFQLJSA-N
SMILES	C[C@H](C[C@H]1C[C@@](C(=O)O1)(C)O)[C@H]2CC[C@@H]\3[C@@]2(CCC/C3=C\C=C/4\C[C@H](C[C@@H](C4=C)O)O)C
PubChem CID	6438368

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	3 / 5
TPSA	87 Å²
Synonyms	Calcitriol-26,23-lactone, 1,25-Lactone, 1,25-Dihydroxycholecalciferol-26-23-lactone, (23S,25R)-1alpha,25-(OH)2D3-26,23-lactone, 23(S),25(R)-1,25(OH)2D3-26,23-Lactone, (23S,25R)-1alpha,25-dihydroxycholecalciferol 26,23-lactone, (1S,3R,5Z,7E,23S,25R)-1,3,25-Trihydroxy-23,26-epoxy-9,10-secocholesta-5,7,10-trien-26-one

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 Lactone?

The CAS Registry Number of Calcitriol Lactone is 81203-50-1. It is also known as Calcitriol-26,23-lactone, 1,25-Lactone, 1,25-Dihydroxycholecalciferol-26-23-lactone.

What is the molecular formula and molecular weight of Calcitriol Lactone?

Calcitriol Lactone has the molecular formula C27H40O5 and a molecular weight of 444.6 g/mol.

What is Calcitriol Lactone used for?

Calcitriol Lactone 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 Lactone can I order?

We supply Calcitriol Lactone 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 Lactone?

Yes. Every lot of Calcitriol Lactone 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 Lactone be shipped internationally?

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