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Pharmacopeial Impurities (EP / USP / BP)

Estradiol Hemihydrate EP Impurity C

Reference StandardAvailable on request

Order Estradiol Hemihydrate EP Impurity C (CAS 6171-48-8) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
Estradiol Hemihydrate EP Impurity C chemical structure
CAS number6171-48-8
FormulaC19H26O2
Molar mass286.4 g/mol
Physical formSolid
HS code38229090
InChIKeyCSHOYPMKTGTOLM-SMYFESCOSA-N
IUPAC name(8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol

About Estradiol Hemihydrate EP Impurity C

Estradiol Hemihydrate EP Impurity C belongs to the Estradiol reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 6171-48-8, formula C19H26O2 and molar mass 286.4 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 (Danger: H302 and H341). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. 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

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 Hemihydrate EP Impurity C
Product nameEstradiol Hemihydrate EP Impurity C
Catalogue numberZX-021590
CAS number6171-48-8
IUPAC name(8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC19H26O2
Molar mass286.4 g/mol
Exact mass286.1933
GradeReference Standard
Physical formSolid
XLogP34.4
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyCSHOYPMKTGTOLM-SMYFESCOSA-N
SMILESCC1=C(C=CC2=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C)O
PubChem CID66437
Synonyms4-Methyl Estradiol, Estradiol Hemihydrate Impurity C, Estradiol Hemihydrate - Impurity C, 4-Methylestradiol, Estra-1,3,5(10)-triene-3,17-diol, 4-methyl-, (17beta)-, 4- Methyl Estradiol, (17beta)-4-Methylestra-1,3,5(10)-triene-3,17-diol, 4-Methylestra-1,3,5(10)-triene-3,17beta-diol (4-Methylestradiol), (17b)-4-Methylestra-1,3,5(10)-triene-3,17-diol, 8beta,9alpha-4,9-Cyclo-9,10-secoandrosta-1,3,5(10)-triene-1,17beta-diol

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 Hemihydrate 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 Hemihydrate EP Impurity C

Which CAS number identifies Estradiol Hemihydrate EP Impurity C?
Estradiol Hemihydrate EP Impurity C is registered under CAS 6171-48-8. You may also see it listed as 4-Methyl Estradiol, Estradiol Hemihydrate Impurity C, Estradiol Hemihydrate - Impurity C. Our catalogue number for this item is ZX-021590.
What are the formula and molar mass of Estradiol Hemihydrate EP Impurity C?
For Estradiol Hemihydrate EP Impurity C, its formula is C19H26O2 and its molar mass is 286.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol. InChIKey CSHOYPMKTGTOLM-SMYFESCOSA-N lets you match it in any structure database.
How is Estradiol Hemihydrate EP Impurity C used in pharmaceutical QC?
Estradiol Hemihydrate EP Impurity C 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 Hemihydrate 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 Hemihydrate 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 Hemihydrate EP Impurity C to my country?
Yes. Because Estradiol Hemihydrate 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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