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VAQORACHEMICALS

Estrone 3-Sulfate Potassium Salt

Synonyms: Potassium estrone 3-monosulfate · potassium estrone sulfate · estrone sulfate, potassium salt · Estrone sulfate (potassium)

CAS No.1240-04-6
FormulaC18H21KO5S
Mol. weight388.50
Catalogue No.VQ-037110
PurityOn COA
HSN—

Estrone 3-Sulfate Potassium Salt (CAS 1240-04-6) – Estrone intermediate. C18H21KO5S, MW 388.5. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Estrone 3-Sulfate Potassium Salt

Estrone 3-Sulfate Potassium Salt (CAS 1240-04-6) is a process intermediate or related compound of Estrone offered by Vaqora Chemicals. Formula C18H21KO5S, molecular weight 388.5 g/mol. Common synonyms include Potassium estrone 3-monosulfate and potassium estrone sulfate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Process chemists and analysts use it when developing synthetic routes to Estrone, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Estrone

View every impurity, metabolite and intermediate we list for Estrone.

Estrone impurities

Specifications & identifiers

Chemical identifiers
Product nameEstrone 3-Sulfate Potassium Salt
Catalogue No.VQ-037110
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
Molecular weight388.5 g/mol
Exact mass388.0747
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
Physical properties
Physical formSolid
H-bond donors / acceptors0 / 5
TPSA91.9 Ų
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

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • 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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Frequently asked questions

What is the CAS number of Estrone 3-Sulfate Potassium Salt?

The CAS Registry Number of Estrone 3-Sulfate Potassium Salt is 1240-04-6. It is also known as Potassium estrone 3-monosulfate, potassium estrone sulfate, estrone sulfate, potassium salt.

What is the molecular formula and molecular weight of Estrone 3-Sulfate Potassium Salt?

Estrone 3-Sulfate Potassium Salt has the molecular formula C18H21KO5S and a molecular weight of 388.5 g/mol. Its 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.

What is Estrone 3-Sulfate Potassium Salt used for?

Estrone 3-Sulfate Potassium Salt is supplied as a characterised reference material related to Estrone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Estrone 3-Sulfate Potassium Salt can I order?

We supply Estrone 3-Sulfate Potassium Salt, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Estrone 3-Sulfate Potassium Salt?

Yes. Every lot of Estrone 3-Sulfate Potassium Salt is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Estrone 3-Sulfate Potassium Salt be shipped internationally?

Yes. Estrone 3-Sulfate Potassium Salt is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

Enquire about Estrone 3-Sulfate Potassium Salt

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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MW
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Reference Standard
Estrone-d4 chemical structure
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53866-34-5
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MW
274.4 g/mol
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