(-)-Catechin

(-)-Catechin

Common Name: (-)-Catechin

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C15H14O6/c16-8-4-11(18)9-6-13(20)15(21-14(9)5-8)7-1-2-10(17)12(19)3-7/h1-5,13,15-20H,6H2/t13-,15+/m1/s1

InChIKey: InChIKey=PFTAWBLQPZVEMU-HIFRSBDPSA-N

Formula: C15H14O6

Molecular Weight: 290.268639

Exact Mass: 290.079038

NMR Solvent: DMSO-d6

MHz:

Calibration:

NMR references: 13C - Zhang, H.L., Nagatsu, A., Okuyama, H., Mizukami, H., Sakakibara, J. Phytochemistry (1998) 48, 665-8

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanols; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)

Carbon NMR Peaks

Position PPM
2 (CH) 82.9
3 (CH) 68.8
4 (CH2) 28.5
5 (C) 157.6
6 (CH) 96.3
7 (C) 157.6
8 (CH) 95.5
9 (C) 156.9
10 (C) 100.1
1' (C) 132.2
2' (CH) 115.3
3' (C) 146.2
4' (C) 146.2
5' (CH) 116.1
6' (CH) 120