Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Pyrimethamine EP Impurity D

Synonyms: 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

CAS No.55474-41-4
FormulaC13H14ClNO2
Mol. weight251.71
Catalogue No.VQ-032407
PurityReference Standard
HSN38229090

Pyrimethamine EP Impurity D (CAS 55474-41-4) – Pyrimethamine impurity standard. C13H14ClNO2, MW 251.71. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

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 namePyrimethamine EP Impurity D
Catalogue No.VQ-032407
CAS Number55474-41-4
IUPAC name2-(4-chlorophenyl)-2-(2-ethyl-1,3-dioxolan-2-yl)acetonitrile
Molecular formulaC13H14ClNO2
Molecular weight251.71 g/mol
Exact mass251.0713
GradeReference Standard
HSN code38229090
InChIKeyYZCAFLAEZJEYSA-UHFFFAOYSA-N
SMILESCCC1(OCCO1)C(C#N)C2=CC=C(C=C2)Cl
PubChem CID6453187
Physical properties
Physical formSolid
LogP (XLogP3)2.6
H-bond donors / acceptors0 / 3
TPSA42.3 Ų

Documents

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.

Enquire about Pyrimethamine EP Impurity D

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

Reference Standard
Pyrimethamine-d3 chemical structure
Pyrimethamine-d3
CAS
1189936-99-9
Formula
C12H13ClN4
MW
251.73 g/mol
VQ-041143

More in Pharmacopeial Impurities (EP / USP / BP) →