4,8,12-Triaza-tricyclo[13.2.2.16,10]icosa-1(18),6,8,10(20),15(19),16-hexaene-5,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 90433-39-9 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, 3 and 9 respectively. Calculate Digit Verification of CAS Registry Number 90433-39: (7*9)+(6*0)+(5*4)+(4*3)+(3*3)+(2*3)+(1*9)=119 119 % 10 = 9 So 90433-39-9 is a valid CAS Registry Number.