74030-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74030-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,0,3 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74030-74:
(7*7)+(6*4)+(5*0)+(4*3)+(3*0)+(2*7)+(1*4)=103
103 % 10 = 3
So 74030-74-3 is a valid CAS Registry Number.