API Process Intermediates & Related Compounds

4-Methoxyestradiol

Name: 4-Methoxyestradiol
Brand: Zemixal
SKU: ZX-039145

Available on request

Buy 4-Methoxyestradiol (CAS 26788-23-8) from Zemixal: C19H26O3, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-039145.

Pack sizes

CAS number26788-23-8

FormulaC₁₉H₂₆O₃

Molar mass302.4 g/mol

Physical formSolid

InChIKeyBCWZIZLVBYHFES-PYEWSWHRSA-N

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

About 4-Methoxyestradiol

Zemixal supplies 4-Methoxyestradiol within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 26788-23-8, formula C19H26O3 and molar mass 302.4 g/mol. It is handled as a solid.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Handling and storage

No GHS classification is recorded for this item, but handle it with normal laboratory care.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a batch certificate of analysis and a 16-section SDS 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 Ethinylestradiol

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

Ethinylestradiol standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 4-Methoxyestradiol
Product name	4-Methoxyestradiol
Catalogue number	ZX-039145
CAS number	26788-23-8
IUPAC name	(8R,9S,13S,14S,17S)-4-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol
Molecular formula	C₁₉H₂₆O₃
Molar mass	302.4 g/mol
Exact mass	302.1882
Physical form	Solid
XLogP3	4
H-bond donors / acceptors	2 / 3
Topological polar surface area	49.7 Å²
InChIKey	BCWZIZLVBYHFES-PYEWSWHRSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2O)CCC4=C3C=CC(=C4OC)O
PubChem CID	68578
Synonyms	4-Methoxyestradiol-17beta, 4-MeOE2, Estra-1,3,5(10)-triene-3,17-diol, 4-methoxy-, (17beta)-, 4-methoxyestradiol-17 beta, 4-MeE2, 4-methoxy-17beta-estradiol, 4-Methoxy 17beta-estradiol, 4-Methoxy 17b-Estradiol, 4-methoxyestra-1,3,5(10)-triene-3,17beta-diol, 4-Methoxy-3,17beta-dihydroxy-1,3,5[10]-estratriene, (17beta)-4-methoxyestra-1,3,5(10)-triene-3,17-diol

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-Methoxyestradiol
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-Methoxyestradiol

Which CAS number identifies 4-Methoxyestradiol?

4-Methoxyestradiol is registered under CAS 26788-23-8. You may also see it listed as 4-Methoxyestradiol-17beta, 4-MeOE2, Estra-1,3,5(10)-triene-3,17-diol, 4-methoxy-, (17beta)-. Our catalogue number for this item is ZX-039145.

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

For 4-Methoxyestradiol, its formula is C19H26O3 and its molar mass is 302.4 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17S)-4-methoxy-13-methyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol. InChIKey BCWZIZLVBYHFES-PYEWSWHRSA-N lets you match it in any structure database.

How is 4-Methoxyestradiol used in pharmaceutical QC?

4-Methoxyestradiol is a characterised reference material linked to Ethinylestradiol. 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-Methoxyestradiol?

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 4-Methoxyestradiol?

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-Methoxyestradiol to my country?

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

More Ethinylestradiol standards

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