1172341-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172341-29-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,3,4 and 1 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1172341-29:
(9*1)+(8*1)+(7*7)+(6*2)+(5*3)+(4*4)+(3*1)+(2*2)+(1*9)=125
125 % 10 = 5
So 1172341-29-5 is a valid CAS Registry Number.