70103-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70103-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,0 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70103-64:
(7*7)+(6*0)+(5*1)+(4*0)+(3*3)+(2*6)+(1*4)=79
79 % 10 = 9
So 70103-64-9 is a valid CAS Registry Number.