748133-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 748133-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,8,1,3 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 748133-22:
(8*7)+(7*4)+(6*8)+(5*1)+(4*3)+(3*3)+(2*2)+(1*2)=164
164 % 10 = 4
So 748133-22-4 is a valid CAS Registry Number.