831202-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 831202-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,3,1,2,0 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 831202-92:
(8*8)+(7*3)+(6*1)+(5*2)+(4*0)+(3*2)+(2*9)+(1*2)=127
127 % 10 = 7
So 831202-92-7 is a valid CAS Registry Number.