634153-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 634153-68-7 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 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 634153-68:
(8*6)+(7*3)+(6*4)+(5*1)+(4*5)+(3*3)+(2*6)+(1*8)=147
147 % 10 = 7
So 634153-68-7 is a valid CAS Registry Number.