Promestriene

Name: Promestriene
Brand: Zemixal
SKU: ZX-029342

Reference StandardAvailable on request

Promestriene (CAS 39219-28-8) supplier Zemixal: C22H32O2, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

CAS number39219-28-8

FormulaC₂₂H₃₂O₂

Molar mass328.5 g/mol

Physical formSolid

HS code38229090

InChIKeyIUWKNLFTJBHTSD-AANPDWTMSA-N

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

About Promestriene

Analytical teams working on Estradiol use Promestriene as a qualified comparison standard. Key data (Reference Standard): CAS 39219-28-8, formula C22H32O2 and molar mass 328.5 g/mol. It is handled as a solid.

Use cases we see most often

Identification & assay
Method development & validation
QC reference material

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H312, H332 and H360). Our SDS lists exposure controls and first-aid measures.

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 Estradiol

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

Estradiol standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Promestriene
Product name	Promestriene
Catalogue number	ZX-029342
CAS number	39219-28-8
IUPAC name	(8R,9S,13S,14S,17S)-17-methoxy-13-methyl-3-propoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene
Molecular formula	C₂₂H₃₂O₂
Molar mass	328.5 g/mol
Exact mass	328.2402
Grade	Reference Standard
Physical form	Solid
XLogP3	4.5
H-bond donors / acceptors	0 / 2
Topological polar surface area	18.5 Å²
HS code	38229090
InChIKey	IUWKNLFTJBHTSD-AANPDWTMSA-N
SMILES	CCCOC1=CC2=C(C=C1)[C@H]3CC[C@]4([C@H]([C@@H]3CC2)CC[C@@H]4OC)C
PubChem CID	9883915
Synonyms	Colpotrophine, 3-propoxy-17 beta-methoxy-1,3,5(10)-estratriene, 3-Propoxy-17beta-methoxy-1,3,5(10)-estratriene, Estra-1,3,5(10)-triene, 17-methoxy-3-propoxy-, (17b)-, 3-propyl ethyl, 17beta-Methoxy-3-propoxyestra-1,3,5(10)-triene, 3-Propoxy-17-methoxyestra-1,3,5(10)-triene

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

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Warning

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H360May damage fertility or the unborn child

Precautionary statements P203, P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P321, P330, P362 + P364, 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 Promestriene
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 Promestriene

Which CAS number identifies Promestriene?

Promestriene is registered under CAS 39219-28-8. You may also see it listed as Colpotrophine, 3-propoxy-17 beta-methoxy-1,3,5(10)-estratriene, 3-Propoxy-17beta-methoxy-1,3,5(10)-estratriene. Our catalogue number for this item is ZX-029342.

What are the formula and molar mass of Promestriene?

For Promestriene, its formula is C22H32O2 and its molar mass is 328.5 g/mol. The systematic (IUPAC) name is (8R,9S,13S,14S,17S)-17-methoxy-13-methyl-3-propoxy-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene. InChIKey IUWKNLFTJBHTSD-AANPDWTMSA-N lets you match it in any structure database.

How is Promestriene used in pharmaceutical QC?

Promestriene is a characterised reference material linked to Estradiol. 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 Promestriene?

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 Promestriene?

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 Promestriene to my country?

Yes. Because Promestriene 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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