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Merck
CN

I6709

Sigma-Aldrich

Iodoacetamide

97%

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About This Item

Linear Formula:
ICH2CONH2
CAS Number:
Molecular Weight:
184.96
Beilstein:
1739080
EC Number:
MDL number:
UNSPSC Code:
12352103
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Assay

97%

mp

92-95 °C (lit.)

SMILES string

NC(=O)CI

InChI

1S/C2H4INO/c3-1-2(4)5/h1H2,(H2,4,5)

InChI key

PGLTVOMIXTUURA-UHFFFAOYSA-N

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Application

Enzyme inactivator.

Biochem/physiol Actions

Iodoacetamide acts as an alkylating reagent for cysteine residues in peptide sequencing. It is an irreversible inhibitor of enzymes with cysteine at the active site. It reacts much more slowly with histidine residues, but that activity is responsible for inhibiting ribonuclease.

Pictograms

Skull and crossbonesHealth hazard

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Chronic 4 - Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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J J Mieyal et al.
Biochemistry, 30(36), 8883-8891 (1991-09-10)
Thioltransferase from human red blood cells (HRBC TTase), coupled to GSSG reductase, catalyzed glutathione (GSH)-dependent reduction of prototype substrates hydroxyethyl disulfide (HEDS) and sodium S-sulfocysteine as well as of other homo- and heterodisulfides, including the protein mixed disulfide albumin-S-S-cysteine. Whereas

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