70497-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70497-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,4,9 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70497-23:
(7*7)+(6*0)+(5*4)+(4*9)+(3*7)+(2*2)+(1*3)=133
133 % 10 = 3
So 70497-23-3 is a valid CAS Registry Number.