75020-35-8 6,7-Dimethyl-9-oxo-1H,9H-benzopyrano(2,3-d)-v-triazole

CAS No.75020-35-8 (1)BENZOPYRANO(2,3-D)-1,2,3-TRIAZOL-9(1H)-ONE, 6,7-DIMETHYL-

Assay:99%min Appearance:white crystalline powder Package:25KG drum Storage:Store in dry, dark and ventilated place Transportation:by air, by sea, by express Application:intermediate 

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