873801-76-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873801-76-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,8,0 and 1 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 873801-76:
(8*8)+(7*7)+(6*3)+(5*8)+(4*0)+(3*1)+(2*7)+(1*6)=194
194 % 10 = 4
So 873801-76-4 is a valid CAS Registry Number.