| QCC Cat No.: | QM202415 | Chemical Name: | Methotrexate Impurity 15 | Synonyms: | pyrimidine-2,4,5,6-tetraamine sulfate | CAS No.: | 5392-28-9;49647-58-7(xH2SO4 salt); 1004-74-6(free base) | Molecular Formula: | C4H8N6.H2O4S | Molecular Weight: | 140.15 98.08 | ================================================ | Standard Reference Material For "Methotrexate Impurity 15" Warning:The form of the product salt may be different from the official website,please consult your local agent for details. |
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