34785-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34785-80-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,7,8 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34785-80:
(7*3)+(6*4)+(5*7)+(4*8)+(3*5)+(2*8)+(1*0)=143
143 % 10 = 3
So 34785-80-3 is a valid CAS Registry Number.