Methylprednisolone EP Impurity A

Name: Methylprednisolone EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-023100

About Methylprednisolone EP Impurity A

Vaqora Chemicals supplies Methylprednisolone EP Impurity A, a pharmacopeial impurity of Methylprednisolone registered under CAS number 91523-05-6. With the molecular formula C22H28O5, it has a molar mass of 372.5 g/mol. Common synonyms include 6a-Methyl Prednisone and Methylprednisolone - Impurity A.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

As a characterised impurity of Methylprednisolone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Methylprednisolone EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Methylprednisolone

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

Methylprednisolone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methylprednisolone EP Impurity A
Catalogue No.	VQ-023100
CAS Number	91523-05-6
IUPAC name	(6S,8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione
Molecular formula	C₂₂H₂₈O₅
Molecular weight	372.5 g/mol
Exact mass	372.1937
Grade	Reference Standard
HSN code	38229090
InChIKey	SVYCRJXQZUCUND-PQXSVQADSA-N
SMILES	C[C@H]1C[C@H]2[C@@H]3CC[C@@]([C@]3(CC(=O)[C@@H]2[C@@]4(C1=CC(=O)C=C4)C)C)(C(=O)CO)O
PubChem CID	124653

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	2 / 5
TPSA	91.7 Å²
Synonyms	6a-Methyl Prednisone, Methylprednisolone - Impurity A, 6-Methylprednisone, Pregna-1,4-diene-3,11,20-trione, 17,21-dihydroxy-6-methyl-, (6alpha)-, Methylprednisone, 6alpha-Methylprednisone, 17,21-Dihydroxy-6alpha-methylpregna-1,4-diene-3,11,20-trione, Prednisone, 6alpha-methyl-, 6-alpha-methylprednisone, 6.alpha.-methylprednisone

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Methylprednisolone EP Impurity A?

The CAS Registry Number of Methylprednisolone EP Impurity A is 91523-05-6. It is also known as 6a-Methyl Prednisone, Methylprednisolone - Impurity A, 6-Methylprednisone.

What is the molecular formula and molecular weight of Methylprednisolone EP Impurity A?

Methylprednisolone EP Impurity A has the molecular formula C22H28O5 and a molecular weight of 372.5 g/mol. Its IUPAC name is (6S,8S,9S,10R,13S,14S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-6,10,13-trimethyl-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthrene-3,11-dione.

What is Methylprednisolone EP Impurity A used for?

Methylprednisolone EP Impurity A is supplied as a characterised reference material related to Methylprednisolone. 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 Methylprednisolone EP Impurity A can I order?

We supply Methylprednisolone EP Impurity A 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 Methylprednisolone EP Impurity A?

Yes. Every lot of Methylprednisolone EP Impurity A 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 Methylprednisolone EP Impurity A be shipped internationally?

Yes. Methylprednisolone EP Impurity A 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.