83402-10-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83402-10-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,4,0 and 2 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 83402-10:
(7*8)+(6*3)+(5*4)+(4*0)+(3*2)+(2*1)+(1*0)=102
102 % 10 = 2
So 83402-10-2 is a valid CAS Registry Number.