Merck
CN
All Photos(1)

Documents

Safety Information

SML3579

Sigma-Aldrich

Pyrimethamine

≥98% (HPLC)

Sign Into View Organizational & Contract Pricing
All Photos(1)
Synonym(s):
2,4-Diamino-5-(4-chlorophenyl)-6-ethylpyrimidine, 5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine
Empirical Formula (Hill Notation):
C12H13ClN4
CAS Number:
58-14-0
Molecular Weight:
248.71
MDL number:
MFCD00057350

Quality Level

100

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 2 mg/mL, clear (Wramed)

storage temp.

2-8°C

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

Biochem/physiol Actions

Pyrimethamine is an antiparasitic drug used to treat malaria, toxoplasmosis and cystoisosporiasis. Pyrimethamine is a potent inhibitor of dihydrofolate reductase.

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

Regulatory Information

新产品

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?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

The multifaceted antineoplastic role of pyrimethamine against human malignancies
Shanaya Ramchandani
IUBMB Life, 74, 198-212 (2022)
Lisa N Heppler et al.
The Journal of biological chemistry, 298(2), 101531-101531 (2021-12-27)
Cancer is often characterized by aberrant gene expression patterns caused by the inappropriate activation of transcription factors. Signal transducer and activator of transcription 3 (STAT3) is a key transcriptional regulator of many protumorigenic processes and is persistently activated in many
Mutations in Plasmodium falciparum dihydrofolate reductase and dihydropteroate synthase and epidemiologic patterns of pyrimethamine-sulfadoxine use and resistance
C V Plowe
The Journal of Infectious Diseases, 176, 1590-1596 (1997)

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