4a,8a-epoxy-1,2,3,4,4a,5,6,7,8,8a-decahydro-9-(diphenylmethylene)-N-phenyl-syn-(1,4:5,8-dimethano)naphthalene-6,7-dicarboximide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 98509-38-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,5,0 and 9 respectively; the second part has 2 digits, 3 and 8 respectively. Calculate Digit Verification of CAS Registry Number 98509-38: (7*9)+(6*8)+(5*5)+(4*0)+(3*9)+(2*3)+(1*8)=177 177 % 10 = 7 So 98509-38-7 is a valid CAS Registry Number.
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