873544-82-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873544-82-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,5,4 and 4 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 873544-82:
(8*8)+(7*7)+(6*3)+(5*5)+(4*4)+(3*4)+(2*8)+(1*2)=202
202 % 10 = 2
So 873544-82-2 is a valid CAS Registry Number.