34277-53-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34277-53-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,7 and 7 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34277-53:
(7*3)+(6*4)+(5*2)+(4*7)+(3*7)+(2*5)+(1*3)=117
117 % 10 = 7
So 34277-53-7 is a valid CAS Registry Number.