1171850-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171850-34-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,8,5 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1171850-34:
(9*1)+(8*1)+(7*7)+(6*1)+(5*8)+(4*5)+(3*0)+(2*3)+(1*4)=142
142 % 10 = 2
So 1171850-34-2 is a valid CAS Registry Number.