637340-74-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637340-74-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,4 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 637340-74:
(8*6)+(7*3)+(6*7)+(5*3)+(4*4)+(3*0)+(2*7)+(1*4)=160
160 % 10 = 0
So 637340-74-0 is a valid CAS Registry Number.