873973-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873973-83-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,7 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 873973-83:
(8*8)+(7*7)+(6*3)+(5*9)+(4*7)+(3*3)+(2*8)+(1*3)=232
232 % 10 = 2
So 873973-83-2 is a valid CAS Registry Number.