173458-83-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 173458-83-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,5 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 173458-83:
(8*1)+(7*7)+(6*3)+(5*4)+(4*5)+(3*8)+(2*8)+(1*3)=158
158 % 10 = 8
So 173458-83-8 is a valid CAS Registry Number.