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API Process Intermediates & Related Compounds

Estrone 3-Sulfate Potassium Salt

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Buy Estrone 3-Sulfate Potassium Salt (CAS 1240-04-6) from Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-033428.

Pack sizes
Estrone 3-Sulfate Potassium Salt chemical structure
CAS number1240-04-6
FormulaC18H21KO5S
Molar mass388.5 g/mol
Physical formSolid
InChIKeyCUQHOFAEIPGLBH-ZFINNJDLSA-M
IUPAC namepotassium [(8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-yl] sulfate

About Estrone 3-Sulfate Potassium Salt

Estrone 3-Sulfate Potassium Salt sits in our API Process Intermediates & Related Compounds section and ships worldwide from stock or short lead time. Identity at a glance: CAS 1240-04-6, formula C18H21KO5S and molar mass 388.5 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

Hazard communication follows GHS (Warning: H319, H335 and H361). 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. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Estrone

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

Estrone 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 Estrone 3-Sulfate Potassium Salt
Product nameEstrone 3-Sulfate Potassium Salt
Catalogue numberZX-033428
CAS number1240-04-6
IUPAC namepotassium [(8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-yl] sulfate
Molecular formulaC18H21KO5S
Molar mass388.5 g/mol
Exact mass388.0747
Physical formSolid
H-bond donors / acceptors0 / 5
Topological polar surface area91.9 Ų
InChIKeyCUQHOFAEIPGLBH-ZFINNJDLSA-M
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=C3C=CC(=C4)OS(=O)(=O)[O-].[K+]
PubChem CID23674502
SynonymsPotassium estrone 3-monosulfate, potassium estrone sulfate, estrone sulfate, potassium salt, Estrone sulfate (potassium), Estra-1,3,5(10)-trien-17-one, 3-(sulfooxy)-, potassium salt, Opera_ID_1995

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 Warning

  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264 + P265, P271, P280, P304 + P340, P305 + P351 + P338, P318, P319, P337 + P317, P403 + P233, 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 Estrone 3-Sulfate Potassium Salt
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 Estrone 3-Sulfate Potassium Salt

Which CAS number identifies Estrone 3-Sulfate Potassium Salt?
Estrone 3-Sulfate Potassium Salt is registered under CAS 1240-04-6. You may also see it listed as Potassium estrone 3-monosulfate, potassium estrone sulfate, estrone sulfate, potassium salt. Our catalogue number for this item is ZX-033428.
What are the formula and molar mass of Estrone 3-Sulfate Potassium Salt?
For Estrone 3-Sulfate Potassium Salt, its formula is C18H21KO5S and its molar mass is 388.5 g/mol. The systematic (IUPAC) name is potassium [(8R,9S,13S,14S)-13-methyl-17-oxo-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-yl] sulfate. InChIKey CUQHOFAEIPGLBH-ZFINNJDLSA-M lets you match it in any structure database.
How is Estrone 3-Sulfate Potassium Salt used in pharmaceutical QC?
Estrone 3-Sulfate Potassium Salt is a characterised reference material linked to Estrone. 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 Estrone 3-Sulfate Potassium Salt?
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 Estrone 3-Sulfate Potassium Salt?
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 Estrone 3-Sulfate Potassium Salt to my country?
Yes. Because Estrone 3-Sulfate Potassium Salt 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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