1. Chinese name: 6-hydroxy-2,4, 5-triaminopyrimidine sulfate, triamine, triaminopyrimidine sulfate, folate EP impurity B sulfate, 5-triamino-6-hydroxy-pyrimidine sulfate, 2,4, 5-triamino-6-hydroxy-pyrimidine sulfate

2. English name: 6-hydroxy-2,4,5-triaminopyrimidine sulfatehydrate, 4-hydroxy-2,5, 6-triaminopyrimidine,2,4, 5-triamino -6-hydroxy pyrimidine sulfate

3. CAS: 35011-47-3

4. Chemical formula: C₄H₉N₅O₅S

5. Molecular weight: 239.21

6. Physical and chemical properties: density 2.033g/cm3, melting point ≥300°C(lit.), boiling point 277℃ at 760 mmHg. Solid, light yellow powder. Soluble in water, under acidic conditions, 6-hydroxy-2,4, 5-triaminopyrimidine sulfate will undergo a condensation reaction to form a polymer. It can also react with metal ions to form complexes.

7. Customs No.: 29349990

8. Use: The downstream product 2-amino-6-hydroxypurine folate

CAS NO:35011-47-3;1603-02-7

EC NO:216-500-9

Molecular Formula:C₄H₇N₅O₄S

Molecular Weight:221.1945

Synonyms:;2,5,6-Triamino-4-pyrimidinol sulfate;6-Hydroxy-2,4,5-triaminopyrimidine sulfate;4-hydroxy-2,5,6-triaminopyrimidine sulfate;2,5,6-Triamino-4(1H)-pyrimidinone sulfate;2,4,5-triamino-6-hydroxy pyrimidine sulfate;2,4,5-triamino-6-hydroxypyrimidine sulfate;4-Pyrimidinol, 2,5,6-triamino-, hydrogen sulfate (ester);2,4,5-Triamino-6-hydroxy pyrimidine,sulfate;2,5,6-triaminopyrimidin-4-yl hydrogen sulfate;2,4,5-triamido-6-oxhydrylpyrimidine sulfate;4-hydroxy-2,5,6-triaminopyrimidine sulfate salt;2,5,6-triamino-4-pyrimidol sulfate salt;4-hydroxy-2,5,6-triaminopyrimidine sulf. monohydr. (6-2,4,5);2,5,6-TRIAMINO-4(1H)-PYRIMIDINONE SULFATE HYDRATE;2,5,6-TRIAMINO-4-PYRIMIDINOL SULFATE HYDRATE;2,5,6-Triaminopyrimidin-4-olsulphatel;2,5,6-Triaminopyrimidin-4-Ol Sulphate;6-HYDROXY-2,4,5-TRIAMINOPYRIMIDINE SULFATEHYDRATE;2,4,5-Triamino-6-Hydroxy Pyrimidine Sulphate;

Molecular Structure: