177578-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177578-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,5,7 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 177578-58:
(8*1)+(7*7)+(6*7)+(5*5)+(4*7)+(3*8)+(2*5)+(1*8)=194
194 % 10 = 4
So 177578-58-4 is a valid CAS Registry Number.