84648-91-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84648-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,4 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84648-91:
(7*8)+(6*4)+(5*6)+(4*4)+(3*8)+(2*9)+(1*1)=169
169 % 10 = 9
So 84648-91-9 is a valid CAS Registry Number.