56011
2-Hydroxy-5-nitrobenzyl bromide
~95% (AT)
Synonym(s):
α-Bromo-4-nitro-o-cresol, 2-Bromomethyl-4-nitrophenol, Koshland I, Koshland’s Reagent I
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About This Item
Linear Formula:
HOC6H3(NO2)CH2Br
CAS Number:
Molecular Weight:
232.03
EC Number:
212-248-9
UNSPSC Code:
12352100
PubChem Substance ID:
Beilstein/REAXYS Number:
1868798
MDL number:
assay
~95% (AT)
mp
144-149 °C
storage temp.
2-8°C
SMILES string
Oc1ccc(cc1CBr)[N+]([O-])=O
InChI
1S/C7H6BrNO3/c8-4-5-3-6(9(11)12)1-2-7(5)10/h1-3,10H,4H2
InChI key
KFDPCYZHENQOBV-UHFFFAOYSA-N
Other Notes
For the modification of tryptophan residues in neutral and acid conditions
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R L Lundblad et al.
Analytical biochemistry, 136(1), 93-100 (1984-01-01)
Previous studies on the isolation of peptides containing tryptophanyl residues modified with 2-hydroxy-5-nitrobenzyl bromide demonstrated multiple products of reaction at the same residue as well as technical difficulties in the primary structure analysis of peptides containing the modified tryptophanyl residue.
A simplified procedure to determine tryptophan residues in proteins.
Y D Karkhanis et al.
Analytical biochemistry, 69(1), 55-60 (1975-11-01)
A HIGHLY REACTIVE COLORED REAGENT WITH SELECTIVITY FOR THE TRYPTOPHAN RESIDUE IN PROTEINS. 2-HYDROXY-5-NITROBENZYL BROMIDE.
H R HORTON et al.
Journal of the American Chemical Society, 87, 1126-1132 (1965-03-05)
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