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API Impurities

17-beta-Dihydro Equilin

Reference StandardAvailable on request

Buy 17-beta-Dihydro Equilin (CAS 3563-27-7) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
17-beta-Dihydro Equilin chemical structure
CAS number3563-27-7
FormulaC18H22O2
Molar mass270.4 g/mol
Physical formSolid
HS code38229090
InChIKeyNLLMJANWPUQQTA-UBDQQSCGSA-N
IUPAC name(9S,13S,14S,17S)-13-methyl-6,9,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol

About 17-beta-Dihydro Equilin

17-beta-Dihydro Equilin belongs to the Equilin reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 3563-27-7, formula C18H22O2 and molar mass 270.4 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Warning: H302, H312 and H332). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Equilin

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

Equilin standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 17-beta-Dihydro Equilin
Product name17-beta-Dihydro Equilin
Catalogue numberZX-024590
CAS number3563-27-7
IUPAC name(9S,13S,14S,17S)-13-methyl-6,9,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC18H22O2
Molar mass270.4 g/mol
Exact mass270.162
GradeReference Standard
Physical formSolid
XLogP33.2
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyNLLMJANWPUQQTA-UBDQQSCGSA-N
SMILESC[C@]12CC[C@H]3C(=CCC4=C3C=CC(=C4)O)[C@@H]1CC[C@@H]2O
PubChem CID11954027
Synonyms17β-Dihydro Equilin, beta-Dihydroequilin, Estra-1,3,5(10),7-tetraene-3,17-diol, (17beta)-, 17b-Dihydro Equilin, 7-dehydro-17beta-estradiol, 7,8-didehydro-17beta-estradiol, 17, A-Dihydro Equilin, estra-1(10),2,4,7-tetraene-3,17beta-diol, 17b-Dihydroequilin, 7-Dehydroestradiol

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
  • H312Harmful in contact with skin
  • H332Harmful if inhaled

Precautionary statements P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 17-beta-Dihydro Equilin
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 17-beta-Dihydro Equilin

Which CAS number identifies 17-beta-Dihydro Equilin?
17-beta-Dihydro Equilin is registered under CAS 3563-27-7. You may also see it listed as 17β-Dihydro Equilin, beta-Dihydroequilin, Estra-1,3,5(10),7-tetraene-3,17-diol, (17beta)-. Our catalogue number for this item is ZX-024590.
What are the formula and molar mass of 17-beta-Dihydro Equilin?
For 17-beta-Dihydro Equilin, its formula is C18H22O2 and its molar mass is 270.4 g/mol. The systematic (IUPAC) name is (9S,13S,14S,17S)-13-methyl-6,9,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthrene-3,17-diol. InChIKey NLLMJANWPUQQTA-UBDQQSCGSA-N lets you match it in any structure database.
How is 17-beta-Dihydro Equilin used in pharmaceutical QC?
17-beta-Dihydro Equilin is a characterised reference material linked to Equilin. 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 17-beta-Dihydro Equilin?
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 17-beta-Dihydro Equilin?
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 17-beta-Dihydro Equilin to my country?
Yes. Because 17-beta-Dihydro Equilin 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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