83177-38-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83177-38-2 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, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83177-38:
(7*8)+(6*3)+(5*1)+(4*7)+(3*7)+(2*3)+(1*8)=142
142 % 10 = 2
So 83177-38-2 is a valid CAS Registry Number.