1187184-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1187184-73-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,1,8 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1187184-73:
(9*1)+(8*1)+(7*8)+(6*7)+(5*1)+(4*8)+(3*4)+(2*7)+(1*3)=181
181 % 10 = 1
So 1187184-73-1 is a valid CAS Registry Number.