223533-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 223533-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,3,5,3 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 223533-42:
(8*2)+(7*2)+(6*3)+(5*5)+(4*3)+(3*3)+(2*4)+(1*2)=104
104 % 10 = 4
So 223533-42-4 is a valid CAS Registry Number.
223533-42-4Relevant academic research and scientific papers
Oxazoles based on 2-amino-3-hydroxyphenalenone
Balodis,Meirovits,Petrova
, p. 916 - 918 (2007/10/03)
2-Phenyl- and 2-(p-nitrophenyl)-4H-phenaleno[1,2-d]oxazol-4-ones were synthesized from 2-amino-3-hydroxyphenalenone. 1999 Kluwer Academic/Plenum Publishers.
