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Safety Information

141437

Sigma-Aldrich

4,7-Dichloroquinoline

≥99%

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About This Item

Empirical Formula (Hill Notation):
C9H5Cl2N
CAS Number:
Molecular Weight:
198.05
Beilstein:
125359
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥99%

form

solid

mp

81-83 °C (lit.)

solubility

chloroform: soluble 50 mg/mL, clear, colorless to greenish-yellow

SMILES string

Clc1ccc2c(Cl)ccnc2c1

InChI

1S/C9H5Cl2N/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-5H

InChI key

HXEWMTXDBOQQKO-UHFFFAOYSA-N

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Application

4,7-Dichloroquinoline was used in the synthesis of piperaquine. It was used as starting reagent in the synthesis of {3-amino-5-[(7-chloro-4-quinolyl)amino]phenyl}methanol.

Pictograms

Exclamation markEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品

Certificates of Analysis (COA)

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N Lindegårdh et al.
Journal of chromatography. A, 1135(2), 166-169 (2006-10-19)
A significant contaminant of the antimalarial drug piperaquine (1,3-bis-[4-(7-chloroquinolyl-4)-piperazinyl-1]propane) has been identified using liquid chromatography-mass spectrometry (LC-MS) and 2D NMR spectroscopy (1H-1H COSY, 1H-13C HSQC, 1H-13C HMBC). The impurity was identified as the positional isomer 1-[(5-chloroquinolin-4)-piperazinyl]-3-[(7-chloroquinolin-4)-piperazinyl]propane. The impurity is formed
S Delarue et al.
Chemical & pharmaceutical bulletin, 49(8), 933-937 (2001-08-23)
Amodiaquine (AQ) is an antimalarial which is effective against chloroquino-resistant strains of Plasmodium falciparum but whose clinical use is severely restricted because of associated hepatotoxicity and agranulocytosis. "One-pot" synthesis of formamidines likely to be transformed into AQ derivatives is reported.
Allergic contact dermatitis from 4,7-dichloroquinoline.
F C Pickering et al.
Contact dermatitis, 8(4), 269-270 (1982-07-01)
J T Mague et al.
Acta crystallographica. Section C, Crystal structure communications, 51 ( Pt 7), 1423-1425 (1995-07-15)
The title compound C14H12C12N2O, has been shown to have an E configuration about the double bond in the propenal moiety. Significant delocalization of the lone pair on the N atom of the dimethylamino group into the pi system of this
Howaida I Abd-Alla et al.
Natural product research, 23(11), 1035-1049 (2009-06-13)
The chemical constituents and biological activities of leaves and roots of Aloe hijazensis, collected in Saudi Arabia, are reported here for the first time. Twenty-two compounds were obtained, among them eight hydroxyquinones: aloe-emodin (1), emodin (2), chrysophanol (3), aloesaponarin II

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