The CAS Registry Mumber 72283-97-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,8 and 3 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 72283-97: (7*7)+(6*2)+(5*2)+(4*8)+(3*3)+(2*9)+(1*7)=137 137 % 10 = 7 So 72283-97-7 is a valid CAS Registry Number.
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Get Best Price for72283-97-74-amino-2-hydroxybenzoic acid - (2Z,4S,4aS,5aS,6R,12aS)-2-[amino(hydroxy)methylidene]-4-(dimethylamino)-6,10,11,12a-tetrahydroxy-6-methyl-4a,5a,6,12a-tetrahydrotetracene-1,3,12(2H,4H,5H)-trione (1:1)