97042-39-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97042-39-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,4 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 97042-39:
(7*9)+(6*7)+(5*0)+(4*4)+(3*2)+(2*3)+(1*9)=142
142 % 10 = 2
So 97042-39-2 is a valid CAS Registry Number.