83177-04-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83177-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,7 and 7 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83177-04:
(7*8)+(6*3)+(5*1)+(4*7)+(3*7)+(2*0)+(1*4)=132
132 % 10 = 2
So 83177-04-2 is a valid CAS Registry Number.