4,19-bis-(toluene-4-sulfonyl)-10,13,25,28,33,36,41,44-octaoxa-1,4,7,16,19,22-hexaaza-tricyclo[20.8.8.87,16]hexatetracontane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 42031-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,3 and 1 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 42031-83: (7*4)+(6*2)+(5*0)+(4*3)+(3*1)+(2*8)+(1*3)=74 74 % 10 = 4 So 42031-83-4 is a valid CAS Registry Number.
Get Best Price for42031-83-44,19-bis-(toluene-4-sulfonyl)-10,13,25,28,33,36,41,44-octaoxa-1,4,7,16,19,22-hexaaza-tricyclo[20.8.8.87,16]hexatetracontane