Catalogue Number
BF-I4006
Analysis Method
HPLC,NMR,MS
Specification
98%(HPLC)
Storage
2-8°C
Molecular Weight
564.492
Appearance
White crystalline powder
Botanical Source
Abrus pulchellus subsp. cantoniensis,Arisaema decipiens,Mucuna sempervirens,Isodon lophanthoides,Desmodium styracifolium
Structure Type
Flavonoids
Category
Standards;Natural Pytochemical;API
SMILES
C1C(C(C(C(O1)C2=C(C(=C3C(=C2O)C(=O)C=C(O3)C4=CC=C(C=C4)O)C5C(C(C(C(O5)CO)O)O)O)O)O)O)O
Synonyms
Isoshaftoside/iso-Schaftoside/5,7-dihydroxy-2-(4-hydroxyphenyl)-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-6-[(2S,3R,4S,5S)-3,4,5-trihydroxyoxan-2-yl]chromen-4-one/5,7-Dihydroxy-2-(4-hydroxyphenyl)-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl]-6-[(2S,3R,4S,5S)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl]-4H-chromen-4-one (non-preferred name)/3,17,18-trideoxyaphidicolin/(4aS,6aS,8S,9R,11aS,11bS)-4,4,9,11b-tetramethyltetradecahydro-8,11a-methanocyclohepta[a]naphthalen-9-ol/6-C-Arabinosyl-8-C-glucosylapigenin/4H-1-Benzopyran-4-one, 6-α-L-arabinopyranosyl-8-β-D-glucopyranosyl-5,7-dihydroxy-2-(4-hydroxyphenyl)-
IUPAC Name
5,7-dihydroxy-2-(4-hydroxyphenyl)-8-[(2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-6-[(2S,3R,4S,5S)-3,4,5-trihydroxyoxan-2-yl]chromen-4-one
Density
1.8±0.1 g/cm3
Solubility
Methanol; Water
Flash Point
314.3±27.8 °C
Boiling Point
935.0±65.0 °C at 760 mmHg
Melting Point
InChl
InChI=1S/C26H28O14/c27-6-13-18(32)21(35)23(37)26(40-13)16-20(34)15(25-22(36)17(31)11(30)7-38-25)19(33)14-10(29)5-12(39-24(14)16)8-1-3-9(28)4-2-8/h1-5,11,13,17-18,21-23,25-28,30-37H,6-7H2/t11-,13+,17-,18+,21-,22+,23+,25-,26-/m0/s1
InChl Key
OVMFOVNOXASTPA-VYUBKLCTSA-N
WGK Germany
RID/ADR
HS Code Reference
2933990000
Personal Projective Equipment
Correct Usage
For Reference Standard and R&D, Not for Human Use Directly.
Meta Tag
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MSDS
20211477
In East African small-holder farming of maize, the cattle forage legume, Desmodium uncinatum is used as an intercrop due to its allelopathic inhibition of parasitism by Striga hermonthica, an obligate parasitic weed that can devastate the maize crop. Bioassay-guided fractionation of the root extract of D. uncinatum revealed isoschaftoside to be the main compound in the most potent fraction inhibiting growth of germinated S. hermonthica radicles. Bioassays repeated with isoschaftoside isolated from a different plant source, Passiflora incarnata, proved it to be a biologically active component. Analysis of the root exudates produced by hydroponically grown D. uncinatum showed isoschaftoside to be present in the hydroponic media at biologically active concentrations of 10-100 nM.
Copyright 2010 Elsevier Ltd. All rights reserved.
Isoschaftoside, a C-glycosylflavonoid from Desmodium uncinatum root exudate, is an allelochemical against the development of Striga.
Hooper AM1, Tsanuo MK, Chamberlain K, Tittcomb K, Scholes J, Hassanali A, Khan ZR, Pickett JA.
2010 Jun
