Prednisone EP Impurity C

Name: Prednisone EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-033307

About Prednisone EP Impurity C

Listed under CAS 70522-55-3, Prednisone EP Impurity C is a pharmacopeial impurity of Prednisone available from Vaqora Chemicals. Its molecular formula is C21H24O5 and its molecular weight is 356.4 g/mol. Common synonyms include Prednisone 21-Aldehyde and Prednisone - Impurity C.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Prednisone 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.

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 Prednisone

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

Prednisone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Prednisone EP Impurity C
Catalogue No.	VQ-033307
CAS Number	70522-55-3
IUPAC name	2-[(8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde
Molecular formula	C₂₁H₂₄O₅
Molecular weight	356.4 g/mol
Exact mass	356.1624
Grade	Reference Standard
HSN code	38229090
InChIKey	ZJGKMJHMOAPNRY-ZPOLXVRWSA-N
SMILES	C[C@]12CC(=O)[C@H]3[C@H]([C@@H]1CC[C@@]2(C(=O)C=O)O)CCC4=CC(=O)C=C[C@]34C
PubChem CID	57369834

Physical properties
Physical form	Solid
LogP (XLogP3)	1.8
H-bond donors / acceptors	1 / 5
TPSA	88.5 Å²
Synonyms	Prednisone 21-Aldehyde, Prednisone - Impurity C, 17-Hydroxy-3,11,20-trioxopregna-1,4-dien-21-al, Prednisone-21-aldehyde, Pregna-1,4-dien-21-al, 17-hydroxy-3,11,20-trioxo-, Prednisone impurity C, Prednisolone Impurity 12

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P319, 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 Prednisone EP Impurity C?

The CAS Registry Number of Prednisone EP Impurity C is 70522-55-3. It is also known as Prednisone 21-Aldehyde, Prednisone - Impurity C, 17-Hydroxy-3,11,20-trioxopregna-1,4-dien-21-al.

What is the molecular formula and molecular weight of Prednisone EP Impurity C?

Prednisone EP Impurity C has the molecular formula C21H24O5 and a molecular weight of 356.4 g/mol. Its IUPAC name is 2-[(8S,9S,10R,13S,14S,17R)-17-hydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoacetaldehyde.

What is Prednisone EP Impurity C used for?

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

We supply Prednisone EP Impurity C 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 Prednisone EP Impurity C?

Yes. Every lot of Prednisone EP Impurity C 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 Prednisone EP Impurity C be shipped internationally?

Yes. Prednisone EP Impurity C 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.