Pyrimethamine EP Impurity D

About Pyrimethamine EP Impurity D

Pyrimethamine EP Impurity D is a pharmacopeial impurity of Pyrimethamine carrying the CAS registry number 55474-41-4. Its molecular formula is C13H14ClNO2 and its molecular weight is 251.71 g/mol. The IUPAC name is 2-(4-chlorophenyl)-2-(2-ethyl-1,3-dioxolan-2-yl)acetonitrile.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Pyrimethamine, 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 Pyrimethamine EP Impurity D 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 Pyrimethamine

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

Pyrimethamine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pyrimethamine EP Impurity D
Catalogue No.	VQ-032407
CAS Number	55474-41-4
IUPAC name	2-(4-chlorophenyl)-2-(2-ethyl-1,3-dioxolan-2-yl)acetonitrile
Molecular formula	C₁₃H₁₄ClNO₂
Molecular weight	251.71 g/mol
Exact mass	251.0713
Grade	Reference Standard
HSN code	38229090
InChIKey	YZCAFLAEZJEYSA-UHFFFAOYSA-N
SMILES	CCC1(OCCO1)C(C#N)C2=CC=C(C=C2)Cl
PubChem CID	6453187

Physical properties
Physical form	Solid
LogP (XLogP3)	2.6
H-bond donors / acceptors	0 / 3
TPSA	42.3 Å²

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 Pyrimethamine EP Impurity D?

The CAS Registry Number of Pyrimethamine EP Impurity D is 55474-41-4. It is also known as alpha-(4-Chlorophenyl)-2-ethyl-1,3-dioxolane-2-acetonitrile, (4-Chlorophenyl)(2-ethyl-1,3-dioxolan-2-yl)acetonitrile, a-(4-chlorophenyl)-2-ethyl-1,3-dioxolane-2-acetonitrile.

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

Pyrimethamine EP Impurity D has the molecular formula C13H14ClNO2 and a molecular weight of 251.71 g/mol. Its IUPAC name is 2-(4-chlorophenyl)-2-(2-ethyl-1,3-dioxolan-2-yl)acetonitrile.

What is Pyrimethamine EP Impurity D used for?

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

We supply Pyrimethamine 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 Pyrimethamine EP Impurity D?

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

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