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API Reference Standards

Megestrol acetate

Reference StandardAvailable on request

Order Megestrol acetate (CAS 595-33-5) online at Zemixal. Request a quote with price, lead time and documents. Exported from India with full paperwork.

Pack sizes
Megestrol acetate chemical structure
CAS number595-33-5
FormulaC24H32O4
Molar mass384.5 g/mol
Physical formSolid
HS code38229090
InChIKeyRQZAXGRLVPAYTJ-GQFGMJRRSA-N
IUPAC name[(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate

About Megestrol acetate

Megestrol acetate is supplied by Zemixal as a characterised reference material for Megestrol analysis. Identity at a glance (Reference Standard): CAS 595-33-5, formula C24H32O4 and molar mass 384.5 g/mol. It is handled as a solid.

Typical applications

  • Identification & assay
  • Method development & validation
  • QC reference material

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H302, H312, H332 and H341. Read the SDS before first use.

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 Megestrol

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

Megestrol standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Megestrol acetate
Product nameMegestrol acetate
Catalogue numberZX-020326
CAS number595-33-5
IUPAC name[(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate
Molecular formulaC24H32O4
Molar mass384.5 g/mol
Exact mass384.2301
GradeReference Standard
Physical formSolid
XLogP33.1
H-bond donors / acceptors0 / 4
Topological polar surface area60.4 Ų
HS code38229090
InChIKeyRQZAXGRLVPAYTJ-GQFGMJRRSA-N
SMILESCC1=C[C@@H]2[C@H](CC[C@]3([C@H]2CC[C@@]3(C(=O)C)OC(=O)C)C)[C@@]4(C1=CC(=O)CC4)C
PubChem CID11683
SynonymsMegestryl acetate, Niagestin, Megace ES, BDH 1298, Magestin, Megesterol acetate, BDH-1298, 17alpha-Hydroxy-6-methylpregna-4,6-diene-3,20-dione acetate, 17alpha-Acetoxy-6-dehydro-6-methylprogesterone, 6-Dehydro-6-methyl-17alpha-acetoxyprogesterone, 6-Methyl-6-dehydro-17alpha-acetoxyprogesterone, 17-Acetoxy-6-methylpregna-4,6-diene-3,20-dione

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Danger

  • H302Harmful if swallowed
  • H312Harmful in contact with skin
  • H332Harmful if inhaled
  • H341Suspected of causing genetic defects
  • H350May cause cancer
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements P203, P260, P261, P263, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P318, P319, 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 Megestrol acetate
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Megestrol acetate

Which CAS number identifies Megestrol acetate?
Megestrol acetate is registered under CAS 595-33-5. You may also see it listed as Megestryl acetate, Niagestin, Megace ES. Our catalogue number for this item is ZX-020326.
What are the formula and molar mass of Megestrol acetate?
For Megestrol acetate, its formula is C24H32O4 and its molar mass is 384.5 g/mol. The systematic (IUPAC) name is [(8R,9S,10R,13S,14S,17R)-17-acetyl-6,10,13-trimethyl-3-oxo-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] acetate. InChIKey RQZAXGRLVPAYTJ-GQFGMJRRSA-N lets you match it in any structure database.
How is Megestrol acetate used in pharmaceutical QC?
Megestrol acetate is a characterised reference material linked to Megestrol. 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 Megestrol 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 Megestrol 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 Megestrol acetate to my country?
Yes. Because Megestrol 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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