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API Impurities

β-Estradiol 17-Acetate

Reference StandardAvailable on request

β-Estradiol 17-Acetate (CAS 1743-60-8) supplier Zemixal: C20H26O3, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes
β-Estradiol 17-Acetate chemical structure
CAS number1743-60-8
FormulaC20H26O3
Molar mass314.4 g/mol
Physical formSolid
HS code38229090
InChIKeyQAHOQNJVHDHYRN-SLHNCBLASA-N
IUPAC name[(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] acetate

About β-Estradiol 17-Acetate

β-Estradiol 17-Acetate belongs to the Estradiol reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 1743-60-8, formula C20H26O3 and molar mass 314.4 g/mol. It is handled as a solid.

Use cases we see most often

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

Safe handling

It carries the GHS signal word Danger (H360), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes 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

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

Estradiol standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of β-Estradiol 17-Acetate
Product nameβ-Estradiol 17-Acetate
Catalogue numberZX-029366
CAS number1743-60-8
IUPAC name[(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] acetate
Molecular formulaC20H26O3
Molar mass314.4 g/mol
Exact mass314.1882
GradeReference Standard
Physical formSolid
XLogP34.6
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyQAHOQNJVHDHYRN-SLHNCBLASA-N
SMILESCC(=O)O[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C3C=CC(=C4)O)C
PubChem CID6852404
SynonymsBeta-Estradiol 17-Acetate, Estradiol 17-monoacetate, Estra-1,3,5(10)-triene-3,17-diol (17beta)-, 17-acetate, 17beta-Acetoxyestra-1,3,5(10)-trien-3-ol, 17beta-Acetylestradiol, b-Estradiol 17-Acetate, estradiol-17O-acetate, Estra-1,3,5(10)-triene-3,17beta-diol 17-acetate, Beta-Estradiol-17-acetate

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 Danger

  • H360May damage fertility or the unborn child

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 β-Estradiol 17-Acetate
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 β-Estradiol 17-Acetate

Which CAS number identifies β-Estradiol 17-Acetate?
β-Estradiol 17-Acetate is registered under CAS 1743-60-8. You may also see it listed as Beta-Estradiol 17-Acetate, Estradiol 17-monoacetate, Estra-1,3,5(10)-triene-3,17-diol (17beta)-, 17-acetate. Our catalogue number for this item is ZX-029366.
What are the formula and molar mass of β-Estradiol 17-Acetate?
For β-Estradiol 17-Acetate, its formula is C20H26O3 and its molar mass is 314.4 g/mol. The systematic (IUPAC) name is [(8R,9S,13S,14S,17S)-3-hydroxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl] acetate. InChIKey QAHOQNJVHDHYRN-SLHNCBLASA-N lets you match it in any structure database.
How is β-Estradiol 17-Acetate used in pharmaceutical QC?
β-Estradiol 17-Acetate 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 β-Estradiol 17-Acetate?
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 β-Estradiol 17-Acetate?
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 β-Estradiol 17-Acetate to my country?
Yes. Because β-Estradiol 17-Acetate 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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