83718-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83718-36-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,7,1 and 8 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 83718-36:
(7*8)+(6*3)+(5*7)+(4*1)+(3*8)+(2*3)+(1*6)=149
149 % 10 = 9
So 83718-36-9 is a valid CAS Registry Number.