222551-78-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222551-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,5,5 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 222551-78:
(8*2)+(7*2)+(6*2)+(5*5)+(4*5)+(3*1)+(2*7)+(1*8)=112
112 % 10 = 2
So 222551-78-2 is a valid CAS Registry Number.