74200-34-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74200-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,0 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74200-34:
(7*7)+(6*4)+(5*2)+(4*0)+(3*0)+(2*3)+(1*4)=93
93 % 10 = 3
So 74200-34-3 is a valid CAS Registry Number.