Promestriene

Name: Promestriene
Brand: Vaqora Chemicals
SKU: VQ-030569

About Promestriene

Vaqora Chemicals supplies Promestriene, a high-purity reference standard of Estradiol registered under CAS number 39219-28-8. Formula C22H32O2, molecular weight 328.5 g/mol. Alternative names: Colpotrophine and 3-propyl ethyl.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 4 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Estradiol, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Promestriene in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Estradiol

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

Estradiol impurities

Specifications & identifiers

Chemical identifiers
Product name	Promestriene
Catalogue No.	VQ-030569
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
Molecular weight	328.5 g/mol
Exact mass	328.2402
Grade	Reference Standard
HSN 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

Physical properties
Physical form	Solid
LogP (XLogP3)	4.5
H-bond donors / acceptors	0 / 2
TPSA	18.5 Å²
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

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

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

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Promestriene?

The CAS Registry Number of Promestriene is 39219-28-8. It is also known as Colpotrophine, 3-propoxy-17 beta-methoxy-1,3,5(10)-estratriene, 3-Propoxy-17beta-methoxy-1,3,5(10)-estratriene.

What is the molecular formula and molecular weight of Promestriene?

Promestriene has the molecular formula C22H32O2 and a molecular weight of 328.5 g/mol. Its 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.

What is Promestriene used for?

Promestriene is supplied as a characterised reference material related to Estradiol. 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 Promestriene can I order?

We supply Promestriene in Reference Standard grade, 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 Promestriene?

Yes. Every lot of Promestriene 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 Promestriene be shipped internationally?

Yes. Promestriene 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.