1170049-40-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1170049-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,0,0,4 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1170049-40:
(9*1)+(8*1)+(7*7)+(6*0)+(5*0)+(4*4)+(3*9)+(2*4)+(1*0)=117
117 % 10 = 7
So 1170049-40-7 is a valid CAS Registry Number.