129177-08-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129177-08-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,1,7 and 7 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129177-08:
(8*1)+(7*2)+(6*9)+(5*1)+(4*7)+(3*7)+(2*0)+(1*8)=138
138 % 10 = 8
So 129177-08-8 is a valid CAS Registry Number.