Melengestrol Acetate

Name: Melengestrol Acetate
Brand: Zemixal
SKU: ZX-033819

Reference StandardAvailable on request

Order Melengestrol Acetate (CAS 2919-66-6) online at Zemixal: C25H32O4, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-033819.

Pack sizes

CAS number2919-66-6

FormulaC₂₅H₃₂O₄

Molar mass396.5 g/mol

Physical formSolid

HS code38229090

InChIKeyUDKABVSQKJNZBH-DWNQPYOZSA-N

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

About Melengestrol Acetate

Melengestrol Acetate belongs to the Melengestrol reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 2919-66-6, formula C25H32O4 and molar mass 396.5 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H361. 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. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Melengestrol

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

Melengestrol standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Melengestrol Acetate
Product name	Melengestrol Acetate
Catalogue number	ZX-033819
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
Molar mass	396.5 g/mol
Exact mass	396.2301
Grade	Reference Standard
Physical form	Solid
XLogP3	3.1
H-bond donors / acceptors	0 / 4
Topological polar surface area	60.4 Å²
HS 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
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

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

H361Suspected of damaging fertility or the unborn child

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 Melengestrol Acetate
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 Melengestrol Acetate

Which CAS number identifies Melengestrol Acetate?

Melengestrol Acetate is registered under CAS 2919-66-6. You may also see it listed as BDH 1921, MGA 500, 17-Hydroxy-6-methyl-16-methylenepregna-4,6-diene-3,20-dione acetate. Our catalogue number for this item is ZX-033819.

What are the formula and molar mass of Melengestrol Acetate?

For Melengestrol Acetate, its formula is C25H32O4 and its molar mass is 396.5 g/mol. The systematic (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. InChIKey UDKABVSQKJNZBH-DWNQPYOZSA-N lets you match it in any structure database.

How is Melengestrol Acetate used in pharmaceutical QC?

Melengestrol Acetate is a characterised reference material linked to Melengestrol. 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 Melengestrol Acetate?

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 Melengestrol Acetate?

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 Melengestrol Acetate to my country?

Yes. Because Melengestrol Acetate 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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