70343-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70343-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,4 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70343-57:
(7*7)+(6*0)+(5*3)+(4*4)+(3*3)+(2*5)+(1*7)=106
106 % 10 = 6
So 70343-57-6 is a valid CAS Registry Number.