448235-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 448235-56-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,8,2,3 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 448235-56:
(8*4)+(7*4)+(6*8)+(5*2)+(4*3)+(3*5)+(2*5)+(1*6)=161
161 % 10 = 1
So 448235-56-1 is a valid CAS Registry Number.
448235-56-1Relevant articles and documents
Route towards new heteroaromatic benzo[1,4]dioxine derivatives
Storsberg, Joachim,Schollmeyer, Dieter,Ritter, Helmut
, p. 140 - 141 (2007/10/03)
2H-[1,4]benzodioxino[2,3-c]pyrrole- and thieno[3,4-b][1,4]benzodioxine derivatives were synthesized via nucleophilic aromatic substitution reactions of halogenated benzene derivatives with the corresponding 3,4-dihydroxythiophene or pyrrole derivatives.
