1123754-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1123754-73-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,3,7,5 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1123754-73:
(9*1)+(8*1)+(7*2)+(6*3)+(5*7)+(4*5)+(3*4)+(2*7)+(1*3)=133
133 % 10 = 3
So 1123754-73-3 is a valid CAS Registry Number.