Tricromyl
Title: Tricromyl
CAS Registry Number: 85-90-5
CAS Name: 3-Methyl-4H-1-benzopyran-4-one
Additional Names: 3-methylchromone; 3-methyl-g-benzopyrone
Trademarks: Cromonalgina (Ceccarelli)
Molecular Formula: C10H8O2
Molecular Weight: 160.17
Percent Composition: C 74.99%, H 5.03%, O 19.98%
Literature References: Based on an ancient Egyptian drug now termed bezr el khelda. Prepn from o-hydroxypropiophenone: Clerc-Bory et al., Bull. Soc. Chim. Fr. 1955, 1083; Mentzer, Meunier, FR 980785 (1951 to Lab. Franc. Chimiother.); Mentzer, US 2769015 (1956 one-half to Laroche-Navarron).
Properties: Crystals from ethanol, mp 68°. uv max (alc): 304 nm.
Melting point: mp 68°
Absorption maximum: uv max (alc): 304 nm
Therap-Cat: Antispasmodic; vasodilator (coronary).
Keywords: Antispasmodic; Vasodilator (Coronary).

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