742087-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 742087-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,8 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 742087-70:
(8*7)+(7*4)+(6*2)+(5*0)+(4*8)+(3*7)+(2*7)+(1*0)=163
163 % 10 = 3
So 742087-70-3 is a valid CAS Registry Number.