Prednisolone Acetate EP Impurity D

About Prednisolone Acetate EP Impurity D

Prednisolone Acetate EP Impurity D is a pharmacopeial impurity of Prednisolone carrying the CAS registry number 20423-99-8. The compound has the formula C21H28O4, corresponding to a molecular weight of 344.4 g/mol. It is also known as 21-Deoxyprednisolone or Prednisolone Acetate - Impurity D.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Prednisolone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Prednisolone

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

Prednisolone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Prednisolone Acetate EP Impurity D
Catalogue No.	VQ-027595
CAS Number	20423-99-8
IUPAC name	(8S,9S,10R,11S,13S,14S,17R)-17-acetyl-11,17-dihydroxy-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one
Molecular formula	C₂₁H₂₈O₄
Molecular weight	344.4 g/mol
Exact mass	344.1988
Grade	Reference Standard
HSN code	38229090
InChIKey	KQZSMOGWYFPKCH-UJPCIWJBSA-N
SMILES	CC(=O)[C@]1(CC[C@@H]2[C@@]1(C[C@@H]([C@H]3[C@H]2CCC4=CC(=O)C=C[C@]34C)O)C)O
PubChem CID	10969997

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	21-Deoxyprednisolone, Prednisolone Acetate - Impurity D, Prednisolone Acetate Impurity (Deltoxenol), Deprodone, 11beta,17-Dihydroxypregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-, (11.beta.)-, 21-Deoxyprednisolone (Deprodone)

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 Prednisolone Acetate EP Impurity D?

The CAS Registry Number of Prednisolone Acetate EP Impurity D is 20423-99-8. It is also known as 21-Deoxyprednisolone, Prednisolone Acetate - Impurity D, Prednisolone Acetate Impurity (Deltoxenol).

What is the molecular formula and molecular weight of Prednisolone Acetate EP Impurity D?

Prednisolone Acetate EP Impurity D has the molecular formula C21H28O4 and a molecular weight of 344.4 g/mol. Its IUPAC name is (8S,9S,10R,11S,13S,14S,17R)-17-acetyl-11,17-dihydroxy-10,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-3-one.

What is Prednisolone Acetate EP Impurity D used for?

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

We supply Prednisolone Acetate EP Impurity D 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 Prednisolone Acetate EP Impurity D?

Yes. Every lot of Prednisolone Acetate EP Impurity D 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 Prednisolone Acetate EP Impurity D be shipped internationally?

Yes. We export Prednisolone Acetate EP Impurity D worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.