131021-88-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131021-88-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,0,2 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 131021-88:
(8*1)+(7*3)+(6*1)+(5*0)+(4*2)+(3*1)+(2*8)+(1*8)=70
70 % 10 = 0
So 131021-88-0 is a valid CAS Registry Number.