Estradiol Hemihydrate EP Impurity D

Name: Estradiol Hemihydrate EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-025618

About Estradiol Hemihydrate EP Impurity D

Estradiol Hemihydrate EP Impurity D (CAS 791-69-5) is a pharmacopeial impurity of Estradiol offered by Vaqora Chemicals. The compound has the formula C18H22O2, corresponding to a molecular weight of 270.4 g/mol. Its systematic (IUPAC) name is (8S,13S,14S,17S)-13-methyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol. It is also known as Estradiol EP Impurity D or Delta,9(11)-Estradiol.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This Estradiol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Estradiol Hemihydrate EP Impurity D in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Estradiol

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

Estradiol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Estradiol Hemihydrate EP Impurity D
Catalogue No.	VQ-025618
CAS Number	791-69-5
IUPAC name	(8S,13S,14S,17S)-13-methyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₁₈H₂₂O₂
Molecular weight	270.4 g/mol
Exact mass	270.162
Grade	Reference Standard
HSN code	38229090
InChIKey	FABGTKBXHAEVKL-OWSLCNJRSA-N
SMILES	C[C@]12CC=C3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4)O
PubChem CID	9816888

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	2 / 2
TPSA	40.5 Å²
Synonyms	Estradiol EP Impurity D, Delta,9(11)-Estradiol, Estradiol Hemihydrate - Impurity D, ∆9(11)-Estradiol, delta9,11-Estradiol, 9,11-Dehydroestradiol, ZYC-1, (+)-delta9,11-Estradiol, Estra-1,3,5(10),9(11)-tetraene-3,17beta-diol, Estra-1,3,5(10),9(11)-tetraene-3,17-diol, (17.beta.)-, Estra-1,3,5(10),9(11)-tetraene-3,17-diol, (17beta)-, Estradiol Hemihydrate Impurity D

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H351Suspected of causing cancer
H360May damage fertility or the unborn child
H362May cause harm to breast-fed children

Precautionary statements: P203, P260, P263, P264, P270, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Estradiol Hemihydrate EP Impurity D?

The CAS Registry Number of Estradiol Hemihydrate EP Impurity D is 791-69-5. It is also known as Estradiol EP Impurity D, Delta,9(11)-Estradiol, Estradiol Hemihydrate - Impurity D.

What is the molecular formula and molecular weight of Estradiol Hemihydrate EP Impurity D?

Estradiol Hemihydrate EP Impurity D has the molecular formula C18H22O2 and a molecular weight of 270.4 g/mol. Its IUPAC name is (8S,13S,14S,17S)-13-methyl-6,7,8,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol.

What is Estradiol Hemihydrate EP Impurity D used for?

Estradiol Hemihydrate EP Impurity D 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 Estradiol Hemihydrate EP Impurity D can I order?

We supply Estradiol Hemihydrate EP Impurity D 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 Estradiol Hemihydrate EP Impurity D?

Yes. Every lot of Estradiol Hemihydrate EP Impurity D 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 Estradiol Hemihydrate EP Impurity D be shipped internationally?

Yes. Estradiol Hemihydrate EP Impurity D is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.