634155-08-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 634155-08-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,1,5 and 5 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 634155-08:
(8*6)+(7*3)+(6*4)+(5*1)+(4*5)+(3*5)+(2*0)+(1*8)=141
141 % 10 = 1
So 634155-08-1 is a valid CAS Registry Number.