1170523-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1170523-83-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,0,5,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1170523-83:
(9*1)+(8*1)+(7*7)+(6*0)+(5*5)+(4*2)+(3*3)+(2*8)+(1*3)=127
127 % 10 = 7
So 1170523-83-7 is a valid CAS Registry Number.