Skip to Content
Merck
All Photos(1)

Documents

1589007

USP

Pyrimethamine

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C12H13ClN4
CAS Number:
58-14-0
Molecular Weight:
248.71
Beilstein:
219864
MDL number:
MFCD00057350
UNSPSC Code:
41116107
PubChem Substance ID:
329750999
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

pyrimethamine

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

2-8°C

SMILES string

CCC1=NC(N)=NC(N)=C1C2=CC=C(Cl)C=C2

InChI

1S/C12H13ClN4/c1-2-9-10(11(14)17-12(15)16-9)7-3-5-8(13)6-4-7/h3-6H,2H2,1H3,(H4,14,15,16,17)

InChI key

WKSAUQYGYAYLPV-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Pyrimethamine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
  • Pyrimethamine Tablets
  • Sulfadoxine and Pyrimethamine Tablets
  • Pyrimethamine Compounded Oral Suspension

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Simeon Fogue Kouam et al.
Phytochemistry, 105, 52-59 (2014-07-21)
The stem bark of Polyalthia oliveri was screened for its chemical constituents using liquid chromatography high resolution mass spectrometry resulting in the isolation of three indolosesquiterpene alkaloids named 8α-polyveolinone (1), N-acetyl-8α-polyveolinone (2) and N-acetyl-polyveoline (3), together with three known compounds
Issaka Sagara et al.
Malaria journal, 13, 358-358 (2014-09-14)
In sub-Saharan Africa, artemisinin-based combination therapy (ACT) and injectable artesunate are the first-line treatments for uncomplicated and severe Plasmodium falciparum malaria, respectively. However, recent studies suggest that delayed anaemia is associated with these treatments in non-immune travellers. This paper aimed
Tomohisa Nakada et al.
Drug metabolism and pharmacokinetics, 29(3), 266-271 (2014-01-07)
Telaprevir-based triple therapy is a highly effective treatment for chronic hepatitis C. However, adverse reactions include reversible and dose-dependent elevation of serum creatinine levels. We speculated that this effect reflects inhibition of the renal organic cation transporters hOCT2, hMATE1, and
Abdoulaye Gaye et al.
The American journal of tropical medicine and hygiene, 92(3), 648-652 (2015-01-28)
Direct skin feeding experiments are sensitive assays to determine human infectiousness to mosquitoes but are rarely used in malaria epidemiological surveys. We determined the infectiousness of inhabitants of a malaria hypoendemic area in Senegal. Gametocyte prevalence by microscopy was 13.5%
Ji Su Ma et al.
The Journal of experimental medicine, 211(10), 2013-2032 (2014-09-17)
Toxoplasma gondii infection results in co-option and subversion of host cellular signaling pathways. This process involves discharge of T. gondii effector molecules from parasite secretory organelles such as rhoptries and dense granules. We report that the T. gondii polymorphic dense
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service