1172320-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1172320-01-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,2,3,2 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1172320-01:
(9*1)+(8*1)+(7*7)+(6*2)+(5*3)+(4*2)+(3*0)+(2*0)+(1*1)=102
102 % 10 = 2
So 1172320-01-2 is a valid CAS Registry Number.