351981-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 351981-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,1,9,8 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 351981-88:
(8*3)+(7*5)+(6*1)+(5*9)+(4*8)+(3*1)+(2*8)+(1*8)=169
169 % 10 = 9
So 351981-88-9 is a valid CAS Registry Number.