1178889-68-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1178889-68-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,8,8,8 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1178889-68:
(9*1)+(8*1)+(7*7)+(6*8)+(5*8)+(4*8)+(3*9)+(2*6)+(1*8)=233
233 % 10 = 3
So 1178889-68-3 is a valid CAS Registry Number.