23734-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23734-44-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,3 and 4 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 23734-44:
(7*2)+(6*3)+(5*7)+(4*3)+(3*4)+(2*4)+(1*4)=103
103 % 10 = 3
So 23734-44-3 is a valid CAS Registry Number.