2,9-bis(2-(dimethylamino)ethyl)anthra[2,1,9-def:6,5,10-d′e′f ′]-diisoquinoline-1,3,8,10(2H,9H)-tetraone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 73528-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,2 and 8 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 73528-89: (7*7)+(6*3)+(5*5)+(4*2)+(3*8)+(2*8)+(1*9)=149 149 % 10 = 9 So 73528-89-9 is a valid CAS Registry Number.