Pyrimethamine manufacturer Pyrimethamine supplier Pyrimethamine CAS 58-14-0
Pyrimethamine ,We are one of reliable manufacturer and supplier of chemicals in China , our own R&D center offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. Antimex can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.
Antimex exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, Antimex is your best choice.
Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.Pyrimethamine high purity with lower price.
Production Advantage
We are committed to R&D and production of high quality and differentiated veterinary preparations. The main products are antibiotics and anticoccidial drugs, as Tylosin, Salinomycin, Tilmicosin, Tiamulin, Tylvalosin, Flunixin Meglumine, Clopidol, Diclazuril, Toltrazuril, Ponazuril, etc. We gain high reputation in the market, and recognition among customers.
Advantage service
1.Sample: Supply sample before cooperation
2.Package: Can be prepared according the customers` requirement
3.Price: Competitive price
4.Documents: Commerical invoice, packing list, BL, CoA and other documents if you have special requirements.
5.Delivery: Prompt shipment after Commodity Inspection.
6.Shipment: Long-term stable cooperation with forwarders and agent, by Sea, Air and Express.
Pyrimethamine
Name | Pyrimethamine | |
Synonyms | 2,4-Diamino-5-(p-chlorophenyl)-6-ethylpyrimidine; 5-(4-Chlorophenyl)-6-ethyl-2,4-pyrimidinediamine | |
Molecular Structure | ||
Molecular Formula | C12H13ClN4 | |
Molecular Weight | 248.71 | |
CAS Registry Number | 58-14-0 | |
EINECS | 200-364-2 |
Items |
Specifications |
Analysis Results |
Description |
White or off-white crystalline powder |
Complies |
Identification |
Positive |
Complies |
Acidity and Alkalinity |
Requires 0.01M sodium hydroxide VS not more than 0.2ml and 0.01M hydrochloric acid VS not more than 0.4ml |
Complies |
Color of Solution and Clarity |
2.5%W/V mixed solution is clear Color of Solution ≤By6 |
Complies |
Melting Point |
238-242℃ |
238-242℃ |
Sulphate |
≤80ppm |
<80ppm |
Related Substances |
Any second spot in solution 1.0% W/V is not more than 0.25% |
Complies |
Loss on Drying |
≤0.5% |
0.25% |
Burnt Ash |
≤0.1% |
0.04% |
Assay (C12H14N4O4S) (On Dry Basis) |
99.0%-101.0% |
99.21% |
Conclusion |
IN ACCORDANCE WITH BP STANDARD |
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