Atorvastatin EP Impurity B

Name: Atorvastatin EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-021659

About Atorvastatin EP Impurity B

Listed under CAS 842103-12-2, Atorvastatin EP Impurity B is a pharmacopeial impurity of Atorvastatin available from Vaqora Chemicals. With the molecular formula C33H35FN2O5, it has a molar mass of 558.6 g/mol. The IUPAC name is 7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid. Common synonyms include Atorvastatin Calcium EP Impurity B and Atorvastatin EP Impurity B (Mixture of +).

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Atorvastatin, 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.

We offer Atorvastatin EP Impurity B 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 Atorvastatin

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

Atorvastatin impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Atorvastatin EP Impurity B
Catalogue No.	VQ-021659
CAS Number	842103-12-2
IUPAC name	7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid
Molecular formula	C₃₃H₃₅FN₂O₅
Molecular weight	558.6 g/mol
Exact mass	558.253
Grade	Reference Standard
HSN code	38229090
InChIKey	XUKUURHRXDUEBC-UHFFFAOYSA-N
SMILES	CC(C)C1=C(C(=C(N1CCC(CC(CC(=O)O)O)O)C2=CC=C(C=C2)F)C3=CC=CC=C3)C(=O)NC4=CC=CC=C4
PubChem CID	2250

Physical properties
Physical form	Solid
LogP (XLogP3)	5
H-bond donors / acceptors	4 / 6
TPSA	112 Å²
Synonyms	Atorvastatin Calcium EP Impurity B, Atorvastatin EP Impurity B (Mixture of +), Atorvastatin EP Impurity B (Free Base), Atorvastatin(Relative), (3S,5R)-atorvastatin

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 Atorvastatin EP Impurity B?

The CAS Registry Number of Atorvastatin EP Impurity B is 842103-12-2. It is also known as Atorvastatin Calcium EP Impurity B, Atorvastatin EP Impurity B (Mixture of +), Atorvastatin EP Impurity B (Free Base).

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

Atorvastatin EP Impurity B has the molecular formula C33H35FN2O5 and a molecular weight of 558.6 g/mol. Its IUPAC name is 7-[2-(4-fluorophenyl)-3-phenyl-4-(phenylcarbamoyl)-5-propan-2-ylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid.

What is Atorvastatin EP Impurity B used for?

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

We supply Atorvastatin 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 Atorvastatin EP Impurity B?

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

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