34980-83-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34980-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,8 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 34980-83:
(7*3)+(6*4)+(5*9)+(4*8)+(3*0)+(2*8)+(1*3)=141
141 % 10 = 1
So 34980-83-1 is a valid CAS Registry Number.