Megestrol Acetate EP Impurity B

Name: Megestrol Acetate EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-023042

About Megestrol Acetate EP Impurity B

Vaqora Chemicals supplies Megestrol Acetate EP Impurity B, a pharmacopeial impurity of Megestrol registered under CAS number 3562-63-8. Formula C22H30O3, molecular weight 342.5 g/mol. It is also known as Megestrol or Megestrol Acetate - Impurity B.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Megestrol to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Megestrol

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

Megestrol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Megestrol Acetate EP Impurity B
Catalogue No.	VQ-023042
CAS Number	3562-63-8
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 formula	C₂₂H₃₀O₃
Molecular weight	342.5 g/mol
Exact mass	342.2195
Grade	Reference Standard
HSN code	38229090
InChIKey	VXIMPSPISRVBPZ-NWUMPJBXSA-N
SMILES	CC1=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 CID	19090

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	1 / 3
TPSA	54.4 Å²
Synonyms	Megestrol, 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)

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

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 Megestrol Acetate EP Impurity B?

The CAS Registry Number of Megestrol Acetate EP Impurity B is 3562-63-8. It is also known as Megestrol, Megestrol Acetate - Impurity B, Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-methyl-.

What is the molecular formula and molecular weight of Megestrol Acetate EP Impurity B?

Megestrol Acetate EP Impurity B has the molecular formula C22H30O3 and a molecular weight of 342.5 g/mol. Its 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.

What is Megestrol Acetate EP Impurity B used for?

Megestrol Acetate EP Impurity B is supplied as a characterised reference material related to Megestrol. 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 Megestrol Acetate EP Impurity B can I order?

We supply Megestrol Acetate EP Impurity B 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 Megestrol Acetate EP Impurity B?

Yes. Every lot of Megestrol Acetate EP Impurity B 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 Megestrol Acetate EP Impurity B be shipped internationally?

Yes. Megestrol Acetate EP Impurity B 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.