1705578-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1705578-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,0,5,5,7 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1705578-28:
(9*1)+(8*7)+(7*0)+(6*5)+(5*5)+(4*7)+(3*8)+(2*2)+(1*8)=184
184 % 10 = 4
So 1705578-28-4 is a valid CAS Registry Number.