78841-22-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78841-22-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,8,4 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78841-22:
(7*7)+(6*8)+(5*8)+(4*4)+(3*1)+(2*2)+(1*2)=162
162 % 10 = 2
So 78841-22-2 is a valid CAS Registry Number.