|  | |  |  | Pyrimidinetetramine sulfate Basic information | 
 | Product Name: | Pyrimidinetetramine sulfate |  | Synonyms: | pyrimidinetetrayltetraamine sulphate;PYRIMIDINE-2,4,5,6-TETRAMINE SULPHATE;2,4,5,6-TETRAAMINIOPYRIMIDINE SULFATE;2,4,5,6-TETRAAMINO-PYRIMIDINE SULFATE SALT;2,4,5,6-Tetraaminopyrimidine sulfate hydrate,98%;2,4,5,6-Tetraaminopyrimidine sulfate;6-TetraaMinopyriMidine sulfate;PyriMidine-2,4,5,6-tetraaMine sulfate |  | CAS: | 5392-28-9 |  | MF: | C4H10N6O4S |  | MW: | 238.22 |  | EINECS: | 226-393-0 |  | Product Categories: | Building Blocks;C4 to C5;Aromatics;Chemical Synthesis;Heterocyclic Building Blocks;Heterocycle-Pyrimidine series;FINE Chemical & INTERMEDIATES;Amines;(intermediate of methotrexate);Pyrimidines;Building  Blocks;Heterocyclic  Building  Blocks;Heterocycles;Intermediates;bc0001 |  | Mol File: | 5392-28-9.mol |  |  | 
|  |  | Pyrimidinetetramine sulfate Chemical Properties | 
|  |  | Pyrimidinetetramine sulfate Usage And Synthesis | 
 | Chemical Properties | Light yellow crystal powder |  | Uses | Intermediate in the production of Methotrexate. |  | Purification Methods | Purify the salt by recrystallisation from H2O, 2N H2SO4 (20 parts, 67% recovery) or 0.1N H2SO4 (40 parts, 62% recovery), and dried in air. [UV: Konrad & Pfleiderer Chem Ber 103 722 1970, Malletta et al. J Am Chem Soc 69 1814 1947, Cavalieri et al. J Am Chem Soc 70 3875 1948, Beilstein 25 H 423, 25 III/IV 3106.] | 
|  |  | Pyrimidinetetramine sulfate Preparation Products And Raw materials | 
 | Raw materials | 2,4,6-Triaminopyrimidine |  | Preparation Products | 6-(Bromomethyl)-2,4-pteridinediamine hydrobromide-->N10-(TRIFLUOROACETYL)PTEROIC ACID-->Pteridine (6CI,7CI,8CI,9CI)-->2,4-DIAMINO-6-(HYDROXYMETHYL)PTERIDINE-->2,4,5,6-TETRAAMINOPYRIMIDINE | 
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