Title: Phytochlorin
CAS Registry Number: 19660-77-6
CAS Name: 18-Carboxy-20-(carboxymethyl)-8-ethenyl-13-ethyl-2,3-dihydro-3,7,12,17-tetramethyl-21H,23H-porphine-2-propanoic acid
Additional Names: chlorin e6; phytochlorin e
Molecular Formula: C34H36N4O6
Molecular Weight: 596.67
Percent Composition: C 68.44%, H 6.08%, N 9.39%, O 16.09%
Literature References: Prepn from broccoli-leaf extract: Wall, US 2555583 (1951 to U.S.D.A.). Review: H. Fischer, A. Stern, Die Chemie des Pyrrols vol. II, 2 (Leipzig, 1940) pp 91-94; The Chlorophylls, L. P. Vernon, G. R. Seely, Eds. (Academic Press, New York, 1966) pp 9, 12, 71, 90, 95, 98, 142.
Properties: Greenish-brown rectangular plates. May contain one mol water. [a]D20 -141° in acetone. Ether solns are olive-green with deep red fluorescence. Sparingly sol in ethanol, ether, acetone. Freely sol in pyridine.
Optical Rotation: [a]D20 -141° in acetone

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