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Pharmacopeial Impurities (EP / USP / BP)

Estradiol Benzoate EP Impurity E

Reference StandardIn stock

Estradiol Benzoate EP Impurity E (CAS 6045-53-0) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Ships from India to 120+ countries.

Pack sizes
Estradiol Benzoate EP Impurity E chemical structure
CAS number6045-53-0
FormulaC25H28O3
Molar mass376.5 g/mol
Physical formSolid
HS code38229090
Purity95.28%
InChIKeyUYIFTLBWAOGQBI-ABMICEGHSA-N
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

About Estradiol Benzoate EP Impurity E

Analytical teams working on Estradiol use Estradiol Benzoate EP Impurity E as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 6045-53-0, formula C25H28O3 and molar mass 376.5 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Hazard communication follows GHS (Danger: H302 and H341). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Estradiol

See every impurity, metabolite and related compound we list for this API.

Estradiol standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Estradiol Benzoate EP Impurity E
Product nameEstradiol Benzoate EP Impurity E
Catalogue numberZX-005699
CAS number6045-53-0
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 formulaC25H28O3
Molar mass376.5 g/mol
Exact mass376.2038
GradeReference Standard
Purity / assay95.28%
Physical formSolid
XLogP34.5
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyUYIFTLBWAOGQBI-ABMICEGHSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@H]2O)CCC4=C3C=CC(=C4)OC(=O)C5=CC=CC=C5
PubChem CID5767
Synonyms17alpha-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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H341Suspected of causing genetic defects

Precautionary statements P203, P264, P270, P280, P301 + P317, P318, P330, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Estradiol Benzoate EP Impurity E
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Estradiol Benzoate EP Impurity E

Which CAS number identifies Estradiol Benzoate EP Impurity E?
Estradiol Benzoate EP Impurity E is registered under CAS 6045-53-0. You may also see it listed as 17alpha-Hydroxyestra-1,3,5(10)-trien-3-yl benzoate, (+)-17α-Estradiol 3-benzoate, α-Estradiol 3-benzoate. Our catalogue number for this item is ZX-005699.
What are the formula and molar mass of Estradiol Benzoate EP Impurity E?
For Estradiol Benzoate EP Impurity E, its formula is C25H28O3 and its molar mass is 376.5 g/mol. The systematic (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. InChIKey UYIFTLBWAOGQBI-ABMICEGHSA-N lets you match it in any structure database.
How is Estradiol Benzoate EP Impurity E used in pharmaceutical QC?
Estradiol Benzoate EP Impurity E is a characterised reference material linked to Estradiol. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Estradiol Benzoate EP Impurity E?
This listing is Reference Standard grade with 95.28% purity. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Estradiol Benzoate EP Impurity E?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Estradiol Benzoate EP Impurity E to my country?
Yes. Because Estradiol Benzoate EP Impurity E is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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