4-Hydroxyestradiol

Name: 4-Hydroxyestradiol
Brand: Zemixal
SKU: ZX-039138

Reference StandardAvailable on request

Order 4-Hydroxyestradiol (CAS 5976-61-4) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-039138.

Pack sizes

CAS number5976-61-4

FormulaC₁₈H₂₄O₃

Molar mass288.4 g/mol

Physical formSolid

HS code38229090

InChIKeyQOZFCKXEVSGWGS-ZHIYBZGJSA-N

IUPAC name(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,4,17-triol

About 4-Hydroxyestradiol

4-Hydroxyestradiol belongs to the Estriol reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 5976-61-4, formula C18H24O3 and molar mass 288.4 g/mol. It is handled as a solid.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H351. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

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-Hydroxyestradiol
Product name	4-Hydroxyestradiol
Catalogue number	ZX-039138
CAS number	5976-61-4
IUPAC name	(8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,4,17-triol
Molecular formula	C₁₈H₂₄O₃
Molar mass	288.4 g/mol
Exact mass	288.1725
Grade	Reference Standard
Physical form	Solid
XLogP3	3.7
H-bond donors / acceptors	3 / 3
Topological polar surface area	60.7 Å²
HS code	38229090
InChIKey	QOZFCKXEVSGWGS-ZHIYBZGJSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4O)O
PubChem CID	5282360
Synonyms	4-OH-Estradiol, 4-Hydroxyestradiol-17beta, 4-hydroxyestradiol-17 beta, 3,4,17beta-estriol, 4OHE2, 4-Hydroxy-17-beta-estradiol, estra-1,3,5(10)-triene-2,4,17beta-triol, 3,4,17beta-trihydroxy-1,3,5[10]-estratriene, 1,3,5(10)-Estratriene-3,4,17beta-triol, estra-1,3,5(10)-triene-3,14,17beta-triol, 3,4,17beta-Trihydroxy-1,3,5(10)-Estratriene, 4-OHE2

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

Safety and GHS hazards

Health hazard

Signal word Warning

H351Suspected of causing cancer

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 4-Hydroxyestradiol
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-Hydroxyestradiol

Which CAS number identifies 4-Hydroxyestradiol?

4-Hydroxyestradiol is registered under CAS 5976-61-4. You may also see it listed as 4-OH-Estradiol, 4-Hydroxyestradiol-17beta, 4-hydroxyestradiol-17 beta. Our catalogue number for this item is ZX-039138.

What are the formula and molar mass of 4-Hydroxyestradiol?

For 4-Hydroxyestradiol, its formula is C18H24O3 and its molar mass is 288.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17S)-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,4,17-triol. InChIKey QOZFCKXEVSGWGS-ZHIYBZGJSA-N lets you match it in any structure database.

How is 4-Hydroxyestradiol used in pharmaceutical QC?

4-Hydroxyestradiol 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-Hydroxyestradiol?

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-Hydroxyestradiol?

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-Hydroxyestradiol to my country?

Yes. Because 4-Hydroxyestradiol 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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