743430-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 743430-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,3,4,3 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 743430-92:
(8*7)+(7*4)+(6*3)+(5*4)+(4*3)+(3*0)+(2*9)+(1*2)=154
154 % 10 = 4
So 743430-92-4 is a valid CAS Registry Number.