330453-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 330453-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,0,4,5 and 3 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 330453-74:
(8*3)+(7*3)+(6*0)+(5*4)+(4*5)+(3*3)+(2*7)+(1*4)=112
112 % 10 = 2
So 330453-74-2 is a valid CAS Registry Number.