34297-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34297-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,9 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 34297-77:
(7*3)+(6*4)+(5*2)+(4*9)+(3*7)+(2*7)+(1*7)=133
133 % 10 = 3
So 34297-77-3 is a valid CAS Registry Number.