2190. Chlorquinaldol

Nomenclature

CAS number: 72-80-0
5,7-Dichloro-2-methyl-8-quinolinol; 5,7-dichloro-8-quinaldinol; 5,7-dichloro-8-hydroxyquinaldine; 5,7-dichloro-2-methyl-8-hydroxyquinoline; hydroxydichloroquinaldine; chloroquinaldol; Gynotherax (Pfizer); Sterosan (Novartis); Steroxin (Novartis).
C10H7Cl2NO; mol wt 228.07.
C 52.66%, H 3.09%, Cl 31.09%, N 6.14%, O 7.02%.

Description and references

Prepd by chlorination of 8-hydroxyquinaldine with or without formic acid as solvent: Senn, US 2411670 (1946 to Geigy).

Chemical structure

Properties

Yellow needles from alc, mp 114-115° (slight decompn). Medicinal odor. uv max (ethanol): 316 nm (A1%1cm 170); min 280 nm. Practically insol in water. Soly (25°) in ethanol 1.0 g/100 ml of soln; chloroform 5.0 g; acetone 4.0 g; ether 3.0 g; 0.1N NaOH 1.4 g. Also sol in benzene, glacial acetic acid.

Therapeutic Category

Antibacterial.

Therapeutic Category (Veterinary)

Antibacterial; antifungal.

Keywords

Antiseptic/Disinfectant; Quinolines