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Pharmacopeial Impurities (EP / USP / BP)

Megestrol Acetate EP Impurity B

Reference StandardAvailable on request

Megestrol Acetate EP Impurity B (CAS 3562-63-8) supplier Zemixal: C22H30O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Megestrol Acetate EP Impurity B chemical structure
CAS number3562-63-8
FormulaC22H30O3
Molar mass342.5 g/mol
Physical formSolid
HS code38229090
InChIKeyVXIMPSPISRVBPZ-NWUMPJBXSA-N
IUPAC name(8R,9S,10R,13S,14S,17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-3-one

About Megestrol Acetate EP Impurity B

Zemixal lists Megestrol Acetate EP Impurity B for laboratories that identify, quantify or control Megestrol and its related substances. Key data (Reference Standard): CAS 3562-63-8, formula C22H30O3 and molar mass 342.5 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

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 Megestrol

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

Megestrol standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Megestrol Acetate EP Impurity B
Product nameMegestrol Acetate EP Impurity B
Catalogue numberZX-022068
CAS number3562-63-8
IUPAC name(8R,9S,10R,13S,14S,17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-3-one
Molecular formulaC22H30O3
Molar mass342.5 g/mol
Exact mass342.2195
GradeReference Standard
Physical formSolid
XLogP32.6
H-bond donors / acceptors1 / 3
Topological polar surface area54.4 Ų
HS code38229090
InChIKeyVXIMPSPISRVBPZ-NWUMPJBXSA-N
SMILESCC1=C[C@@H]2[C@H](CC[C@]3([C@H]2CC[C@@]3(C(=O)C)O)C)[C@@]4(C1=CC(=O)CC4)C
PubChem CID19090
SynonymsMegestrol, Megestrol Acetate - Impurity B, Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-, Compound 5071, 17-Hydroxy-6-methylpregna-4,6-diene-3,20-dione, Megestrol (Acetate)

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

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 Megestrol Acetate EP Impurity B
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 EP Impurity B

Which CAS number identifies Megestrol Acetate EP Impurity B?
Megestrol Acetate EP Impurity B is registered under CAS 3562-63-8. You may also see it listed as Megestrol, Megestrol Acetate - Impurity B, Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-. Our catalogue number for this item is ZX-022068.
What are the formula and molar mass of Megestrol Acetate EP Impurity B?
For Megestrol Acetate EP Impurity B, its formula is C22H30O3 and its molar mass is 342.5 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S,17R)-17-acetyl-17-hydroxy-6,10,13-trimethyl-2,8,9,11,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-3-one. InChIKey VXIMPSPISRVBPZ-NWUMPJBXSA-N lets you match it in any structure database.
How is Megestrol Acetate EP Impurity B used in pharmaceutical QC?
Megestrol Acetate EP Impurity B 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 EP Impurity B?
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 EP Impurity B?
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 EP Impurity B to my country?
Yes. Because Megestrol Acetate EP Impurity B 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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