17-Alpha-Ethinyl Estradiol-d4

Name: 17-Alpha-Ethinyl Estradiol-d4
Brand: Vaqora Chemicals
SKU: VQ-037132

About 17-Alpha-Ethinyl Estradiol-d4

Listed under CAS 350820-06-3, 17-Alpha-Ethinyl Estradiol-d4 is a stable isotope labelled analogue related to Estradiol available from Vaqora Chemicals. With the molecular formula C20H24O2, it has a molar mass of 300.4 g/mol. Common synonyms include Ethynyl Estradiol-2,4,16,16-d4 and Ethynyl Estradiol-d4.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Estradiol and related analytes in bioanalytical, pharmacokinetic and impurity studies. It is used across 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Estradiol

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

Estradiol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	17-Alpha-Ethinyl Estradiol-d4
Catalogue No.	VQ-037132
CAS Number	350820-06-3
IUPAC name	(8R,9S,13S,14S,17R)-2,4,16,16-tetradeuterio-17-ethynyl-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₂₀H₂₄O₂
Molecular weight	300.4 g/mol
Exact mass	300.2027
Grade	Reference Standard
HSN code	38229090
InChIKey	BFPYWIDHMRZLRN-LJEVPYBISA-N
SMILES	[2H]C1=CC2=C(CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC([C@]4(C#C)O)([2H])[2H])C)C(=C1O)[2H]
PubChem CID	45039155

Physical properties
Physical form	Solid
LogP (XLogP3)	3.7
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	(17alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-2,4,16,16-d4-3,17-diol, Ethynyl Estradiol-2,4,16,16-d4, Ethynyl Estradiol-d4, 17alpha-ETHYNYLESTRADIOL-2,4,16,16-D4, Ethinylestradiol-D4, 17-alpha-Ethynylestradiol-d4, Ethynyl Estradiol-D4 (major), TMID-0139, 17a-Ethinylestradiol D4 (2,4,16,16-D4), (2,4,16,16-~2~H_4_)-17alpha-19-Norpregna-1(10),2,4-trien-20-yne-3,17-diol

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 17-Alpha-Ethinyl Estradiol-d4?

The CAS Registry Number of 17-Alpha-Ethinyl Estradiol-d4 is 350820-06-3. It is also known as (17alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-2,4,16,16-d4-3,17-diol, Ethynyl Estradiol-2,4,16,16-d4, Ethynyl Estradiol-d4.

What is the molecular formula and molecular weight of 17-Alpha-Ethinyl Estradiol-d4?

17-Alpha-Ethinyl Estradiol-d4 has the molecular formula C20H24O2 and a molecular weight of 300.4 g/mol. Its IUPAC name is (8R,9S,13S,14S,17R)-2,4,16,16-tetradeuterio-17-ethynyl-13-methyl-6,7,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthrene-3,17-diol.

What is 17-Alpha-Ethinyl Estradiol-d4 used for?

17-Alpha-Ethinyl Estradiol-d4 is supplied as a characterised reference material related to Estradiol. 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 17-Alpha-Ethinyl Estradiol-d4 can I order?

We supply 17-Alpha-Ethinyl Estradiol-d4 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 17-Alpha-Ethinyl Estradiol-d4?

Yes. Every lot of 17-Alpha-Ethinyl Estradiol-d4 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 17-Alpha-Ethinyl Estradiol-d4 be shipped internationally?

Yes. We export 17-Alpha-Ethinyl Estradiol-d4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.