222737-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222737-05-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,7,3 and 7 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 222737-05:
(8*2)+(7*2)+(6*2)+(5*7)+(4*3)+(3*7)+(2*0)+(1*5)=115
115 % 10 = 5
So 222737-05-5 is a valid CAS Registry Number.