223723-47-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223723-47-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,2 and 3 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 223723-47:
(8*2)+(7*2)+(6*3)+(5*7)+(4*2)+(3*3)+(2*4)+(1*7)=115
115 % 10 = 5
So 223723-47-5 is a valid CAS Registry Number.