84327-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84327-91-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,3,2 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84327-91:
(7*8)+(6*4)+(5*3)+(4*2)+(3*7)+(2*9)+(1*1)=143
143 % 10 = 3
So 84327-91-3 is a valid CAS Registry Number.