90880-77-6 Usage
Properties and Applications
Blue and red to red light purple. And C.I.Direct Red 83 similar.
Check Digit Verification of cas no
The CAS Registry Mumber 90880-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,8 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90880-77:
(7*9)+(6*0)+(5*8)+(4*8)+(3*0)+(2*7)+(1*7)=156
156 % 10 = 6
So 90880-77-6 is a valid CAS Registry Number.