| Title:  Kallidin CAS Registry Number:  342-10-9 CAS Name:  N2-L-Lysylbradykinin Additional Names:  kallidin-10;  kallidin II Molecular Formula:  C56H85N17O12 Molecular Weight:  1188.38 Percent Composition:  C 56.60%, H 7.21%, N 20.04%, O 16.16% Literature References:  A hypotensive and smooth muscle-stimulating principle formed by the proteolysis of kininogen by glandular and other kallikreins, q.v.  The decapeptide structure is a homologue of bradykinin, q.v.:  Werle et al., Z. Physiol. Chem. 326, 174 (1961).  Synthesis:  Nicolaides et al., Biochem. Biophys. Res. Commun. 6, 210 (1961); Pless et al., Helv. Chim. Acta 45, 394 (1962). Properties:  Amorphous precipitate.  [a]D21 -57° (c = 1 in N acetic acid).  Rf value in a butanol/acetic acid/water system (70:10:20) 0.15. Optical Rotation:  [a]D21 -57° (c = 1 in N acetic acid) Therap-Cat:  Vasodilator. Keywords:  Vasodilator (Peripheral).  |