4-Hydroxy Estrone

Name: 4-Hydroxy Estrone
Brand: Zemixal
SKU: ZX-029347

Reference StandardAvailable on request

Order 4-Hydroxy Estrone (CAS 3131-23-5) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes

CAS number3131-23-5

FormulaC₁₈H₂₂O₃

Molar mass286.4 g/mol

Physical formSolid

HS code38229090

InChIKeyXQZVQQZZOVBNLU-QDTBLXIISA-N

IUPAC name(8R,9S,13S,14S)-3,4-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one

About 4-Hydroxy Estrone

Analytical teams working on Estriol use 4-Hydroxy Estrone as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 3131-23-5, formula C18H22O3 and molar mass 286.4 g/mol. It is handled as a solid.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Estriol

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

Estriol standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 4-Hydroxy Estrone
Product name	4-Hydroxy Estrone
Catalogue number	ZX-029347
CAS number	3131-23-5
IUPAC name	(8R,9S,13S,14S)-3,4-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one
Molecular formula	C₁₈H₂₂O₃
Molar mass	286.4 g/mol
Exact mass	286.1569
Grade	Reference Standard
Physical form	Solid
XLogP3	2.8
H-bond donors / acceptors	2 / 3
Topological polar surface area	57.5 Å²
HS code	38229090
InChIKey	XQZVQQZZOVBNLU-QDTBLXIISA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=C3C=CC(=C4O)O
PubChem CID	9971251
Synonyms	3,4-Dihydroxyestra-1,3,5(10)-trien-17-one, 3,4-dihydroxy-1,3,5(10)-estratrien-17-one, 4-OHE1, 4-OHE(1), 3,4-dihydroxy-estra-1,3,5(10)-trien-17-one, 1,3,5(10)-Estratriene-3,4-diol-17-one, estra-1,3,5(10)-triene-3,4-diol-17-one

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 4-Hydroxy Estrone
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 4-Hydroxy Estrone

Which CAS number identifies 4-Hydroxy Estrone?

4-Hydroxy Estrone is registered under CAS 3131-23-5. You may also see it listed as 3,4-Dihydroxyestra-1,3,5(10)-trien-17-one, 3,4-dihydroxy-1,3,5(10)-estratrien-17-one, 4-OHE1. Our catalogue number for this item is ZX-029347.

What are the formula and molar mass of 4-Hydroxy Estrone?

For 4-Hydroxy Estrone, its formula is C18H22O3 and its molar mass is 286.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S)-3,4-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one. InChIKey XQZVQQZZOVBNLU-QDTBLXIISA-N lets you match it in any structure database.

How is 4-Hydroxy Estrone used in pharmaceutical QC?

4-Hydroxy Estrone is a characterised reference material linked to Estriol. 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 4-Hydroxy Estrone?

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 4-Hydroxy Estrone?

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 4-Hydroxy Estrone to my country?

Yes. 4-Hydroxy Estrone ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Estriol standards

More in Metabolites & Degradation Products

Estetrol Monohydrate

CAS: 2055649-81-3
Formula: C₁₈H₂₆O₅
MW: 322.4 g/mol

ZX-029346

Estriol Impurity 2

CAS: 1426679-35-7
Formula: C₂₅H₃₀O₄
MW: 394.5 g/mol

ZX-029345

Estriol Impurity 3

CAS: 58001-91-5
Formula: C₁₈H₂₄O₄
MW: 304.4 g/mol

ZX-029344

Estetrol

CAS: 15183-37-6
Formula: C₁₈H₂₄O₄
MW: 304.4 g/mol

ZX-024587

Estriol EP Impurity H

CAS: 566-76-7
Formula: C₁₈H₂₂O₃
MW: 286.4 g/mol

ZX-024586

2-Hydroxy Estrone

CAS: 362-06-1
Formula: C₁₈H₂₂O₃
MW: 286.4 g/mol

ZX-033421

Estriol EP Impurity I

CAS: 15370-49-7
Formula: C₁₈H₂₂O₃
MW: 286.4 g/mol

ZX-021599

Estriol EP Impurity C

CAS: 1474-53-9
Formula: C₁₉H₂₆O₃
MW: 302.4 g/mol

ZX-021598

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list