42723-50-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42723-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,7,2 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 42723-50:
(7*4)+(6*2)+(5*7)+(4*2)+(3*3)+(2*5)+(1*0)=102
102 % 10 = 2
So 42723-50-2 is a valid CAS Registry Number.