223747-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223747-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,7,4 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 223747-29:
(8*2)+(7*2)+(6*3)+(5*7)+(4*4)+(3*7)+(2*2)+(1*9)=133
133 % 10 = 3
So 223747-29-3 is a valid CAS Registry Number.