70243-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70243-73-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,4 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 70243-73:
(7*7)+(6*0)+(5*2)+(4*4)+(3*3)+(2*7)+(1*3)=101
101 % 10 = 1
So 70243-73-1 is a valid CAS Registry Number.