1187449-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187449-23-5 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 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1187449-23:
(9*1)+(8*1)+(7*8)+(6*7)+(5*4)+(4*4)+(3*9)+(2*2)+(1*3)=185
185 % 10 = 5
So 1187449-23-5 is a valid CAS Registry Number.