34771-76-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34771-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,7,7 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 34771-76:
(7*3)+(6*4)+(5*7)+(4*7)+(3*1)+(2*7)+(1*6)=131
131 % 10 = 1
So 34771-76-1 is a valid CAS Registry Number.