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API Process Intermediates & Related Compounds

17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol

Available on request

Buy 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol (CAS 31658-50-1) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol chemical structure
CAS number31658-50-1
FormulaC20H34O2
Molar mass306.5 g/mol
Physical formSolid
InChIKeyGUBNWXDDDXQJOQ-VIVHBNLFSA-N
IUPAC name(3R,5R,8R,9R,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol

About 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol

Zemixal supplies 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol within its pharma Intermediates & Building Blocks portfolio. For your records, the material is defined by CAS 31658-50-1, formula C20H34O2 and molar mass 306.5 g/mol. It is handled as a solid.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Storage and safety notes

Handle with the usual laboratory precautions and consult the SDS supplied with each lot.

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 batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Norethandrolone

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

Norethandrolone standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol
Product name17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol
Catalogue numberZX-045279
CAS number31658-50-1
IUPAC name(3R,5R,8R,9R,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC20H34O2
Molar mass306.5 g/mol
Exact mass306.2559
Physical formSolid
XLogP34.5
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
InChIKeyGUBNWXDDDXQJOQ-VIVHBNLFSA-N
SMILESCC[C@@]1(CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CC[C@H]4[C@@H]3CC[C@H](C4)O)C)O
PubChem CID12133281
Synonyms17alpha-Ethyl-5b-estrane-3alpha,17beta-diol, 19-Nor-5beta,17alpha-pregnane-3alpha,17-diol, (3alpha,5beta,17alpha)-19-Norpregnane-3,17-diol, 19-Norpregnane-3,17-diol, (3alpha,5beta,17alpha)-, A-estrane-3, A-Ethyl-5, h_42_ethylestrenol_m, 5beta,17alpha-19-Norpregnane-3alpha,17-diol

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

Precautionary statements P203, P280, P318, 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 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol
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 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol

Which CAS number identifies 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol?
17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol is registered under CAS 31658-50-1. You may also see it listed as 17alpha-Ethyl-5b-estrane-3alpha,17beta-diol, 19-Nor-5beta,17alpha-pregnane-3alpha,17-diol, (3alpha,5beta,17alpha)-19-Norpregnane-3,17-diol. Our catalogue number for this item is ZX-045279.
What are the formula and molar mass of 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol?
For 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol, its formula is C20H34O2 and its molar mass is 306.5 g/mol. The systematic (IUPAC) name is (3R,5R,8R,9R,10S,13S,14S,17S)-17-ethyl-13-methyl-2,3,4,5,6,7,8,9,10,11,12,14,15,16-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol. InChIKey GUBNWXDDDXQJOQ-VIVHBNLFSA-N lets you match it in any structure database.
How is 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol used in pharmaceutical QC?
17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol is a characterised reference material linked to Norethandrolone. 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 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol?
The grade and assay are confirmed on the quotation and the batch COA. 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 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol?
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 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol to my country?
Yes. Because 17alpha-Ethyl-5beta-estrane-3alpha,17beta-diol 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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