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Pharmacopeial Impurities (EP / USP / BP)

Estradiol Benzoate EP Impurity C

Reference StandardAvailable on request

Buy Estradiol Benzoate EP Impurity C (CAS 4147-13-1) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

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Estradiol Benzoate EP Impurity C chemical structure
CAS number4147-13-1
FormulaC32H32O4
Molar mass480.6 g/mol
Physical formSolid
HS code38229090
InChIKeyQSEBTTYLHXQXSF-CAHAWPIUSA-N
IUPAC name[(8R,9S,13S,14S,17S)-3-benzoyloxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] benzoate

About Estradiol Benzoate EP Impurity C

Analytical teams working on Estradiol benzoate use Estradiol Benzoate EP Impurity C as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 4147-13-1, formula C32H32O4 and molar mass 480.6 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

Hazard communication follows GHS (Warning: H302). 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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Estradiol benzoate

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

Estradiol benzoate standards

Typical uses

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

Applications

Grade guides

Specifications and identifiers

Specifications of Estradiol Benzoate EP Impurity C
Product nameEstradiol Benzoate EP Impurity C
Catalogue numberZX-029340
CAS number4147-13-1
IUPAC name[(8R,9S,13S,14S,17S)-3-benzoyloxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] benzoate
Molecular formulaC32H32O4
Molar mass480.6 g/mol
Exact mass480.2301
GradeReference Standard
Physical formSolid
XLogP36.7
H-bond donors / acceptors0 / 4
Topological polar surface area52.6 Ų
HS code38229090
InChIKeyQSEBTTYLHXQXSF-CAHAWPIUSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2OC(=O)C4=CC=CC=C4)CCC5=C3C=CC(=C5)OC(=O)C6=CC=CC=C6
PubChem CID22796092
SynonymsEstradiol Benzoate - Impurity C, beta-Estradiol dibenzoate, Estradiol, dibenzoate, Estradiol 3,17-dibenzoate, Estra-1,3,5(10)-triene-3,17-diol (17beta)-, dibenzoate, Estra-1,3,5(10)-triene-3,17-diol (17.beta.)-, dibenzoate, Estradiol benzoate impurity C, Estradiol benzoate specified impurity C, Estra-1,3,5(10)-triene-3,17beta-diyl Dibenzoate (Estradiol 3,17-Dibenzoate), 3,17b-dibenzoyloxyestra-1,3,5(10)-triene, 3,17.beta.-Bis(benzoyloxy)estra-1,3,5(10)-triene, 17beta-Estra-1,3,5(10)-triene-3,17-diyl dibenzoate

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

Signal word Warning

  • H302Harmful if swallowed

Precautionary statements P264, P270, P301 + P317, P330, 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 C
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 C

Which CAS number identifies Estradiol Benzoate EP Impurity C?
Estradiol Benzoate EP Impurity C is registered under CAS 4147-13-1. You may also see it listed as Estradiol Benzoate - Impurity C, beta-Estradiol dibenzoate, Estradiol, dibenzoate. Our catalogue number for this item is ZX-029340.
What are the formula and molar mass of Estradiol Benzoate EP Impurity C?
For Estradiol Benzoate EP Impurity C, its formula is C32H32O4 and its molar mass is 480.6 g/mol. The systematic (IUPAC) name is [(8R,9S,13S,14S,17S)-3-benzoyloxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] benzoate. InChIKey QSEBTTYLHXQXSF-CAHAWPIUSA-N lets you match it in any structure database.
How is Estradiol Benzoate EP Impurity C used in pharmaceutical QC?
Estradiol Benzoate EP Impurity C is a characterised reference material linked to Estradiol benzoate. 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 C?
This listing is Reference Standard grade. 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 C?
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 C to my country?
Yes. Because Estradiol Benzoate EP Impurity C 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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