7,9,20-Trimethyl-3,13,17-triaza-tricyclo[13.3.1.16,10]icosa-1(18),6,8,10(20),15(19),16-hexaene-2,14-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90433-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,3 and 3 respectively; the second part has 2 digits, 4 and 1 respectively. Calculate Digit Verification of CAS Registry Number 90433-41: (7*9)+(6*0)+(5*4)+(4*3)+(3*3)+(2*4)+(1*1)=113 113 % 10 = 3 So 90433-41-3 is a valid CAS Registry Number.