222178-79-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222178-79-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,1,7 and 8 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 222178-79:
(8*2)+(7*2)+(6*2)+(5*1)+(4*7)+(3*8)+(2*7)+(1*9)=122
122 % 10 = 2
So 222178-79-2 is a valid CAS Registry Number.