Merck
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237329

Sigma-Aldrich

1-Chloro-2,4-dinitrobenzene

≥99%

Synonym(s):
CDNB, DNCB, 2,4-Dinitrochlorobenzene
Linear Formula:
ClC6H3(NO2)2
CAS Number:
Molecular Weight:
202.55
Beilstein:
613161
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99%

form

solid

expl. lim.

22 %

bp

315 °C (lit.)

mp

48-50 °C (lit.)

solubility

alcohol: very slightly soluble (cold)(lit.)
benzene: soluble(lit.)
carbon disulfide: soluble(lit.)
diethyl ether: soluble(lit.)
water: insoluble (practically)(lit.)

SMILES string

[O-][N+](=O)c1ccc(Cl)c(c1)[N+]([O-])=O

InChI

1S/C6H3ClN2O4/c7-5-2-1-4(8(10)11)3-6(5)9(12)13/h1-3H

InChI key

VYZAHLCBVHPDDF-UHFFFAOYSA-N

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General description

1-Chloro-2,4-dinitrobenzene on incubation with erythrocyte undergoes conjugation with erythrocyte glutathione (GSH) to form 2,4-dinitrophenyl-S-glutathione. It is an irreversible inhibitor of human thioredoxin reductase.

Application

1-Chloro-2,4-dinitrobenzene has been used as alkylating agent to evaluate the depletion of intracellular erythrocyte glutathione (GSH).

Packaging

10, 50 g in glass bottle

Signal Word

Danger

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2

Storage Class Code

6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 2

Flash Point(F)

381.2 °F - closed cup

Flash Point(C)

194 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Y C Awasthi et al.
Blood, 58(4), 733-738 (1981-10-01)
Erythrocyte glutathione (GSH) can be rapidly depleted by incubating the cells with 1-chloro-2,4-dinitrobenzene (CDNB), which forms 2,4-dinitrophenyl-S-glutathione with GSH through the reaction catalyzed by glutathione S-transferase. GSH-CDNB conjugate thus formed stays undegraded within the erythrocytes. This indicates that in the
Boguen Kwon et al.
Nutrients, 13(3) (2021-04-04)
Cone of Pinus densiflora (CP), or Korean red pinecone, is a cluster of Pinus densiflora fruit. CP has also been verified in several studies to have anti-oxidation, anti-fungal, anti-bacterial, and anti-melanogenic effects. However, anti-inflammatory effects have not yet been confirmed
E S Arnér et al.
The Journal of biological chemistry, 270(8), 3479-3482 (1995-02-24)
Human thioredoxin reductase is a dimeric enzyme that catalyzes reduction of the disulfide in oxidized thioredoxin by a mechanism involving transfer of electrons from NADPH via FAD to a redox-active disulfide. 1-Chloro-2,4-dinitrobenzene (DNCB) is an alkylating agent used for depleting
Cynthia M F Monaco et al.
American journal of physiology. Endocrinology and metabolism, 318(1), E44-E51 (2019-12-04)
Sexual dimorphism in mitochondrial respiratory function has been reported in young women and men without diabetes, which may have important implications for exercise. The purpose of this study was to determine if sexual dimorphism exists in skeletal muscle mitochondrial bioenergetics
R Li et al.
Allergy, 67(10), 1250-1258 (2012-08-23)
We previously reported that prior nasal administration of highly attenuated Bordetella pertussis BPZE1 provides effective and sustained protection against lethal challenge with influenza A viruses. The protective effect was mediated by suppressing the production of major pro-inflammatory mediators. To further

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