Pyrimethamine
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
248.71
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Pyrimethamine
CAS No.: 58-14-0
Molecular Formula: C12H13ClN4
Molecular Weight: 248.71
Physical and Chemical Properties
- Appearance: White crystalline powder
- Melting Point: 239–242 °C
- Solubility: Slightly soluble in ethanol, chloroform; practically insoluble in water
- Odor: Odorless
- Stability: Stable under normal ambient conditions
Application
- Pharmaceutical raw material: Antimalarial drug, also used for toxoplasmosis treatment.
- Chemical intermediate: Used for synthesis of related anti-infective compounds.
Storage Condition
Seal tightly. Store in cool, dry and dark place, avoid direct sunlight.
Certificate of Analysis
| Item | Specification | Test Result | Test Method |
| Product Name | Pyrimethamine | Conform | Identification |
| CAS No. | 58-14-0 | 58-14-0 | Standard |
| Molecular Formula | C12H13ClN4 | C12H13ClN4 | Standard |
| Molecular Weight | 248.71 | 248.71 | Standard |
| Appearance | White crystalline powder | White powder | Visual Inspection |
| Purity (HPLC) | ≥99.0% | 99.54% | HPLC |
| Melting Point | 239–242 °C | 240.1–241.3 °C | Capillary Method |
| Loss on Drying | ≤0.30% | 0.10% | Karl Fischer Titration |
| Residue on Ignition | ≤0.10% | 0.02% | Gravimetry |
| Heavy Metals | ≤10 ppm | <3 ppm | AAS |
