Pyrimethamine
Buy Pyrimethamine (CAS 58-14-0) from Zemixal: C12H13ClN4, COA and SDS with every lot, worldwide shipping. Packs from 1 kg.
About Pyrimethamine
Researchers and plant chemists source Pyrimethamine from Zemixal for routine and specialised work. Key data (IP/BP/USP): CAS 58-14-0, formula C12H13ClN4 and molar mass 248.71 g/mol. Expect an almost white crystalline powder or colorless crystals.
Typical applications
- Anti-infective formulations
- Generic drug development
- Formulation R&D
Handling and storage
It carries the GHS signal word Warning (H302), so wear gloves and eye protection and work with good ventilation.
Available as 1 kg, 5 kg and 25 kg. Larger or split packs can be arranged. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Anti-infective formulations
- Generic drug development
- Formulation R&D
Applications
Grade guides
Specifications and identifiers
| Product name | Pyrimethamine |
|---|---|
| Catalogue number | ZX-003982 |
| CAS number | 58-14-0 |
| IUPAC name | 5-(4-chlorophenyl)-6-ethylpyrimidine-2,4-diamine |
| Molecular formula | C12H13ClN4 |
| Molar mass | 248.71 g/mol |
| Exact mass | 248.0829 |
| Grade | IP/BP/USP |
| Physical form | Crystalline |
| Appearance | An almost white crystalline powder or colorless crystals |
| XLogP3 | 2.7 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 77.8 Ų |
| HS code | 2933 |
| InChIKey | WKSAUQYGYAYLPV-UHFFFAOYSA-N |
| SMILES | CCC1=C(C(=NC(=N1)N)N)C2=CC=C(C=C2)Cl |
| PubChem CID | 4993 |
| Synonyms | Chloridine, Chloridin, Diaminopyritamin, Ethylpyrimidine, Pirimetamin, Khloridin, Tindurin, Primethamine, Pyrimethamin, 2,4-Pyrimidinediamine, 5-(4-chlorophenyl)-6-ethyl-, Pyremethamine, 2,4-Diamino-5-(p-chlorophenyl)-6-ethylpyrimidine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 1 kg | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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