742017-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 742017-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,2,0,1 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 742017-39:
(8*7)+(7*4)+(6*2)+(5*0)+(4*1)+(3*7)+(2*3)+(1*9)=136
136 % 10 = 6
So 742017-39-6 is a valid CAS Registry Number.