80837-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80837-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,8,3 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80837-70:
(7*8)+(6*0)+(5*8)+(4*3)+(3*7)+(2*7)+(1*0)=143
143 % 10 = 3
So 80837-70-3 is a valid CAS Registry Number.