Title: Tryptazan
CAS Registry Number: 526-30-7
CAS Name: a-Amino-1H-indazole-3-propanoic acid
Additional Names: a-amino-1H-indazole-3-propionic acid; 3-indazolealanine
Molecular Formula: C10H11N3O2
Molecular Weight: 205.21
Percent Composition: C 58.53%, H 5.40%, N 20.48%, O 15.59%
Literature References: Synthesis from isatin: Snyder et al., J. Am. Chem. Soc. 74, 2009 (1952).
Derivative Type: Hemihydrate
Properties: Crystals from water, darkens at 240°, dec 267-268°. pKa1 2.20; pKa2 8.95. Soly in water (g/100 ml): 0.8 at 29°; 12 at 100°; in 95% ethanol: 0.1 at 29°.
pKa: pKa1 2.20; pKa2 8.95
Status: This monograph has been retired and is no longer subject to revision or update. |