Melengestrol Acetate

Name: Melengestrol Acetate
Brand: Vaqora Chemicals
SKU: VQ-038293

About Melengestrol Acetate

Listed under CAS 2919-66-6, Melengestrol Acetate is a high-purity reference standard of Melengestrol available from Vaqora Chemicals. The compound has the formula C25H32O4, corresponding to a molecular weight of 396.5 g/mol. Alternative names: BDH 1921 and MGA 500.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

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

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Melengestrol Acetate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material
Agrochemical formulations

Industries

Related to Melengestrol

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

Melengestrol impurities

Specifications & identifiers

Chemical identifiers
Product name	Melengestrol Acetate
Catalogue No.	VQ-038293
CAS Number	2919-66-6
IUPAC name	[(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-16-methylidene-3-oxo-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-17-yl] acetate
Molecular formula	C₂₅H₃₂O₄
Molecular weight	396.5 g/mol
Exact mass	396.2301
Grade	Reference Standard
HSN code	38229090
InChIKey	UDKABVSQKJNZBH-DWNQPYOZSA-N
SMILES	CC1=C[C@@H]2[C@H](CC[C@]3([C@H]2CC(=C)[C@@]3(C(=O)C)OC(=O)C)C)[C@@]4(C1=CC(=O)CC4)C
PubChem CID	250948

Physical properties
Physical form	Solid
LogP (XLogP3)	3.1
H-bond donors / acceptors	0 / 4
TPSA	60.4 Å²
Synonyms	BDH 1921, MGA 500, 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione acetate, BDH-1921, Pregna-4,6-diene-3,20-dione, 17-(acetyloxy)-6-methyl-16-methylene-, Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-16-methylene-, acetate, Heifermax 500, CycleGuard 500, Acetate, Melengestrol, MGA 200, 17a-Acetoxy-6-methyl-16-methylene-4,6-pregnadiene-3,20-dione, MGA 100

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P280, P318, 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 Melengestrol Acetate?

The CAS Registry Number of Melengestrol Acetate is 2919-66-6. It is also known as BDH 1921, MGA 500, 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione acetate.

What is the molecular formula and molecular weight of Melengestrol Acetate?

Melengestrol Acetate has the molecular formula C25H32O4 and a molecular weight of 396.5 g/mol. Its IUPAC name is [(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-16-methylidene-3-oxo-1,2,8,9,11,12,14,15-octahydrocyclopenta[a]phenanthren-17-yl] acetate.

What is Melengestrol Acetate used for?

Melengestrol Acetate is supplied as a characterised reference material related to Melengestrol. 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 Melengestrol Acetate can I order?

We supply Melengestrol Acetate 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 Melengestrol Acetate?

Yes. Every lot of Melengestrol Acetate 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 Melengestrol Acetate be shipped internationally?

Yes. Melengestrol Acetate 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.