Chemicals and Drugs

2-Hydroxy-5-nitrobenzyl Bromide

A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and other protein studies. Sometimes referred to as Koshland's reagent.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A chemical reagent that reacts with and modifies chemically the tryptophan portion of protein molecules. Used for 'active site' enzyme studies and other protein studies. Sometimes referred to as Koshland's reagent.

Chemical Identity

Chemical Information

Molecular Formula
C7H6BrNO3
Molecular Weight
232.03 g/mol
CAS Registry No.
772-33-8
IUPAC Name
2-(bromomethyl)-4-nitrophenol
InChIKey
KFDPCYZHENQOBV-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1[N+](=O)[O-])CBr)O
MeSH Unique ID
D015077
Source
PubChem CID 13044

MeSH Record

Classification

Related Concepts

Knowledge Graph

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Drug Class

Pharmacological Action

MeSH Record

Synonyms

9 entry terms
  • Koshland Reagent
  • Koshland's Reagent I
  • Koshlands Reagent
  • 2 Hydroxy 5 nitrobenzyl Bromide
  • Koshland Reagent I
  • Koshlands Reagent I
  • Reagent I, Koshland's
  • Reagent, Koshland
  • Reagent, Koshlands

MeSH Record

Aspects Covered

19 allowable subheadings

Indexed with the subheadings administration & dosage, adverse effects, analogs & derivatives, analysis, chemical synthesis, chemistry, classification, economics, history, isolation & purification, metabolism, pharmacokinetics, pharmacology, poisoning, radiation effects, standards, supply & distribution, therapeutic use, toxicity.

MeSH Record

History Note

91(75); was see under NITROPHENOLS 1975-90

MeSH Record

Previous Indexing

  • Benzyl Compounds (1973-1974)
  • Nitrophenols (1973-1974)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. 2-Hydroxy-5-nitrobenzyl Bromide. Medical Subject Headings (MeSH). 2026. Unique ID D015077. http://id.nlm.nih.gov/mesh/2026/D015077
  2. 2-Hydroxy-5-nitrobenzyl Bromide. In: Wikidata. https://www.wikidata.org/wiki/Q67617749
  3. 2-Hydroxy-5-nitrobenzyl Bromide. In: PubChem Compound. CID 13044. https://pubchem.ncbi.nlm.nih.gov/compound/13044