Pyrimethamine
Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
CAS Number
58-14-0
Chemical name
Pyrimethamine
Molecular formula
C12H13ClN4
Molecular weight
248.71 g/mol
Synonyms
Daraprim; Chloridine; Chloridin; Diaminopyritamin; Ethylpyrimidine; Pirimecidan; Pirimetamin; Pirimetamina; Chloridyn; Darachlor; Erbaprelina; Khloridin
InChIKey
WKSAUQYGYAYLPV-UHFFFAOYSA-N
PubChem CID
4993
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H315, H319, H335, H351, H361
Catalog reference cue; confirm supplier documentation before use.
Appearance
White scored tablets contains 25 mg pyrimethamine /Daraprim/
Catalog reference value; verify against supplier SDS before use.
Melting Point
232.78–234 °C
Catalog reference value; verify against supplier SDS before use.
pKa
7.34
Catalog reference value; verify against supplier SDS before use.
XLogP
2.7
Catalog reference value; verify against supplier SDS before use.
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.