1187443-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187443-54-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,4,4 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1187443-54:
(9*1)+(8*1)+(7*8)+(6*7)+(5*4)+(4*4)+(3*3)+(2*5)+(1*4)=174
174 % 10 = 4
So 1187443-54-4 is a valid CAS Registry Number.