4-amino-2-methylquinolin-6-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 28556-73-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,5 and 6 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 28556-73: (7*2)+(6*8)+(5*5)+(4*5)+(3*6)+(2*7)+(1*3)=142 142 % 10 = 2 So 28556-73-2 is a valid CAS Registry Number.