Estradiol Benzoate EP Impurity E
Synonyms: 17alpha-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate · (+)-17α-Estradiol 3-benzoate · α-Estradiol 3-benzoate · 3-Benzoyloxy-17alpha-hydroxyoestra-1,3,5(10)-triene
Estradiol Benzoate EP Impurity E (CAS 6045-53-0) – Estradiol impurity standard, 95.28%. C25H28O3, MW 376.5. Vaqora Chemicals: COA, global shipping.
About Estradiol Benzoate EP Impurity E
Estradiol Benzoate EP Impurity E is a pharmacopeial impurity of Estradiol carrying the CAS registry number 6045-53-0, specified at 95.28% purity. Formula C25H28O3, molecular weight 376.5 g/mol. Alternative names: (+)-17α-Estradiol 3-benzoate and α-Estradiol 3-benzoate.
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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.
This Estradiol 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, Estradiol Benzoate EP Impurity E is dispatched with a Certificate of Analysis (COA) to destinations worldwide. This item is currently in stock for prompt dispatch.
Typical applications
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Industries
View every impurity, metabolite and intermediate we list for Estradiol.
Estradiol impuritiesGrade guides
Specifications & identifiers
| Product name | Estradiol Benzoate EP Impurity E |
|---|---|
| Catalogue No. | VQ-006376 |
| CAS Number | 6045-53-0 |
| IUPAC name | [(8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl] benzoate |
| Molecular formula | C25H28O3 |
| Molecular weight | 376.5 g/mol |
| Exact mass | 376.2038 |
| Grade | Reference Standard |
| Purity / assay | 95.28% |
| HSN code | 38229090 |
| InChIKey | UYIFTLBWAOGQBI-ABMICEGHSA-N |
| SMILES | C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@H]2O)CCC4=C3C=CC(=C4)OC(=O)C5=CC=CC=C5 |
| PubChem CID | 5767 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 4.5 |
| H-bond donors / acceptors | 1 / 3 |
| TPSA | 46.5 Ų |
| Synonyms | 17alpha-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate, (+)-17α-Estradiol 3-benzoate, α-Estradiol 3-benzoate, 3-Benzoyloxy-17alpha-hydroxyoestra-1,3,5(10)-triene, 3-Benzoyloxy-17α-hydroxyoestra-1,3,5(10)-triene, alpha-Estradiol 3-benzoate, 17.alpha.-Estradiol, 3-benzoate, Estra-1,3,5(10)-triene-3,17-diol, 3-benzoate, (17.alpha.)-, a-Estradiol 3-Benzoate, Estra-1,3,5(10)-triene-3,17alpha-diol 3-benzoate, 17alpha-Hydroxyestra-1,3,5(10)-trien-3-yl Benzoate (17-epi-Estradiol Benzoate), 17alpha-Hydroxyestra-1(10),2,4-trien-3-yl benzoate |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H302Harmful if swallowedH341Suspected of causing genetic defects
Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, 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
Frequently asked questions
What is the CAS number of Estradiol Benzoate EP Impurity E?
The CAS Registry Number of Estradiol Benzoate EP Impurity E is 6045-53-0. It is also known as 17alpha-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate, (+)-17α-Estradiol 3-benzoate, α-Estradiol 3-benzoate.
What is the molecular formula and molecular weight of Estradiol Benzoate EP Impurity E?
Estradiol Benzoate EP Impurity E has the molecular formula C25H28O3 and a molecular weight of 376.5 g/mol. Its IUPAC name is [(8R,9S,13S,14S,17R)-17-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-3-yl] benzoate.
What is Estradiol Benzoate EP Impurity E used for?
Estradiol Benzoate EP Impurity E 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 Benzoate EP Impurity E can I order?
We supply Estradiol Benzoate EP Impurity E in Reference Standard (95.28%) 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 Benzoate EP Impurity E?
Yes. Every lot of Estradiol Benzoate EP Impurity E 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 Benzoate EP Impurity E be shipped internationally?
Yes. Estradiol Benzoate EP Impurity E 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.
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