Estriol D3

Name: Estriol D3
Brand: Vaqora Chemicals
SKU: VQ-037092

About Estriol D3

Listed under CAS 79037-36-8, Estriol D3 is a stable isotope labelled analogue related to Estriol available from Vaqora Chemicals. Formula C18H24O3, molecular weight 291.4 g/mol. Alternative names: 16Alpha-hydroxy-17beta-estradiol-2,4,17-d3 and TMIJ-0280.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Its mass shift relative to the unlabelled analyte makes it a dependable internal standard for LC-MS/MS assays, improving accuracy in bioanalysis, therapeutic drug monitoring and method validation. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Estriol 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Estriol

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

Estriol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Estriol D3
Catalogue No.	VQ-037092
CAS Number	79037-36-8
IUPAC name	(8R,9S,13S,14S,16R,17R)-2,4,17-trideuterio-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triol
Molecular formula	C₁₈H₂₄O₃
Molecular weight	291.4 g/mol
Exact mass	291.1914
Grade	Reference Standard
HSN code	38229090
InChIKey	PROQIPRRNZUXQM-GQLOBORWSA-N
SMILES	[2H]C1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3C[C@H]([C@]4([2H])O)O)C)C(=C1O)[2H]
PubChem CID	71316488

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	3 / 3
TPSA	60.7 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 Estriol D3?

The CAS Registry Number of Estriol D3 is 79037-36-8. It is also known as 16Alpha-hydroxy-17beta-estradiol-2,4,17-d3, TMIJ-0280, Estriol D3 (2,4,17-D3).

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

Estriol D3 has the molecular formula C18H24O3 and a molecular weight of 291.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,16R,17R)-2,4,17-trideuterio-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,16,17-triol.

What is Estriol D3 used for?

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

We supply Estriol 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 Estriol D3?

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

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