1170975-91-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1170975-91-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,0,9,7 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1170975-91:
(9*1)+(8*1)+(7*7)+(6*0)+(5*9)+(4*7)+(3*5)+(2*9)+(1*1)=173
173 % 10 = 3
So 1170975-91-3 is a valid CAS Registry Number.