Hasan, Tayyaba et al. published their patent in 2009 |CAS: 4569-86-2

The Article related to photosensitizers preparation pdt antimicrobial imaging beta lactamase, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Safety of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride

On November 12, 2009, Hasan, Tayyaba; Sallum, Ulysses W.; Verma, Sarika published a patent.Safety of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride The title of the patent was Photoactivatable antimicrobial agents and therapeutic and diagnostic methods of using same. And the patent contained the following:

The present invention provides photosensitizer compounds for use in detecting beta- lactamase activity. Methods and kits that utilize the photosensitizer compounds of the invention for the detection of, quantitation of, and classification or typing of microbial beta- lactamases. The experimental process involved the reaction of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride(cas: 4569-86-2).Safety of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride

The Article related to photosensitizers preparation pdt antimicrobial imaging beta lactamase, Radiation Biochemistry: Disease Diagnosis and Therapy and other aspects.Safety of 3-Amino-7-(diethylamino)-5-phenylphenazin-5-ium chloride

Referemce:
Chloride – Wikipedia,
Chlorides – an overview | ScienceDirect Topics