1087343-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1087343-99-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,7,3,4 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1087343-99:
(9*1)+(8*0)+(7*8)+(6*7)+(5*3)+(4*4)+(3*3)+(2*9)+(1*9)=174
174 % 10 = 4
So 1087343-99-4 is a valid CAS Registry Number.