1177496-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1177496-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,7,4,9 and 6 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1177496-99:
(9*1)+(8*1)+(7*7)+(6*7)+(5*4)+(4*9)+(3*6)+(2*9)+(1*9)=209
209 % 10 = 9
So 1177496-99-9 is a valid CAS Registry Number.