74430-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74430-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,3 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74430-70:
(7*7)+(6*4)+(5*4)+(4*3)+(3*0)+(2*7)+(1*0)=119
119 % 10 = 9
So 74430-70-9 is a valid CAS Registry Number.