1173548-47-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1173548-47-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,3,5,4 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1173548-47:
(9*1)+(8*1)+(7*7)+(6*3)+(5*5)+(4*4)+(3*8)+(2*4)+(1*7)=164
164 % 10 = 4
So 1173548-47-4 is a valid CAS Registry Number.