Chemical fact sheet: Indirubin

Indirubin

Basics

Category
Indolics & indole alkaloid derivatives
IUPAC-name
(Z)-[2,3'-biindolinylidene]-2',3-dione
Formula
No formula stored
Exact mass
262.07420 g/mol
Molecular weight
No weights stored
Structure
Chemical structure of indirubin
Figure 1.1: Chemical structure of indirubin

Sources

In summary, the chemical indirubin has been analyzed from following sources:

Isatis tinctoria Thüringer Waid  L.
1st 2nd

Note that an analysis result in the database may indicate either presence or lack thereof of a chemical in an analyzed sample.

References

  1. M. Tobias, I. Plitzko, and M. Hamburger, "A comprehensive metabolite profiling of Isatis tinctoria leaf extracts.," Phytochemistry , vol. 70 , no. 7 , pp. 924-934 , DOI: 10.1016/j.phytochem.2009.04.019 .

Analysis results

Analysis result 1

Detection technique Values Units
UV/Vis 240
290
362
541 		nm
[M⁺ H]⁺ 263 m/z
MS²⁺ 219
235 		m/z
STD
True
TLC
False
UV/Vis detector description
HPLC-PDA, photodiode array (PDA)
Mass spectrometer description
HPLC-ESI-MS, ion trap, HPLC-TOF-MS, APCI
Organism
Isatis tinctoria Thüringer Waid  L.
cultivated
ground, dried, cut into small pieces
Collection dates
2003-9
Sample note
The plants were cultivated on the experimental plots of the Agricultural Research Station of Thuringia (TLL), Dornburg, Germany. Specimens of seeds from the strains are kept at the TLL, under accessions number 153/PG 1 (Thüringer Waid).
Drying methods
oven-dried
Drying temperature
40 °C
Dried material storage temperature
15 °C
Dried material storage notes
dark; in the brown glass bottles
Extraction solvents
dichloromethane
Extraction repeats
2
Extraction time
12 min
Extraction temperature
70 °C
Analysis solvents
dichloromethane
Detection note
[M + H]+ 263 (both ESI+ and APCI +); [M + Na]+ 285 (ESI+)
References

M. Tobias, I. Plitzko, and M. Hamburger, "A comprehensive metabolite profiling of Isatis tinctoria leaf extracts.," Phytochemistry , vol. 70 , no. 7 , pp. 924-934 , DOI: 10.1016/j.phytochem.2009.04.019 .

Analysis result 2

Detection technique Values Units
UV/Vis 240
290
362
541 		nm
[M⁺ H]⁺ 263 m/z
MS²⁺ 219
235 		m/z
STD
True
TLC
False
UV/Vis detector description
HPLC-PDA, photodiode array (PDA)
Mass spectrometer description
HPLC-ESI-MS, ion trap, HPLC-TOF-MS, APCI
Organism
Isatis tinctoria Thüringer Waid  L.
cultivated
ground, dried, cut into small pieces
Collection dates
2003-9
Sample note
The plants were cultivated on the experimental plots of the Agricultural Research Station of Thuringia (TLL), Dornburg, Germany. Specimens of seeds from the strains are kept at the TLL, under accessions number 153/PG 1 (Thüringer Waid).
Drying methods
oven-dried
Drying temperature
40 °C
Dried material storage temperature
15 °C
Dried material storage notes
dark; in the brown glass bottles
Extraction solvents
methanol
Extraction repeats
2
Extraction time
12 min
Extraction temperature
70 °C
Analysis solvents
MeOH
Detection note
[M + H]+ 263 (both ESI+ and APCI +); [M + Na]+ 285 (ESI+)
References

M. Tobias, I. Plitzko, and M. Hamburger, "A comprehensive metabolite profiling of Isatis tinctoria leaf extracts.," Phytochemistry , vol. 70 , no. 7 , pp. 924-934 , DOI: 10.1016/j.phytochem.2009.04.019 .