84838-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84838-05-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,3 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84838-05:
(7*8)+(6*4)+(5*8)+(4*3)+(3*8)+(2*0)+(1*5)=161
161 % 10 = 1
So 84838-05-1 is a valid CAS Registry Number.