742072-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 742072-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,7 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 742072-29:
(8*7)+(7*4)+(6*2)+(5*0)+(4*7)+(3*2)+(2*2)+(1*9)=143
143 % 10 = 3
So 742072-29-3 is a valid CAS Registry Number.