223755-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223755-97-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,5 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 223755-97:
(8*2)+(7*2)+(6*3)+(5*7)+(4*5)+(3*5)+(2*9)+(1*7)=143
143 % 10 = 3
So 223755-97-3 is a valid CAS Registry Number.