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Impurities

Impurities: Impurities are substances inside a confined amount of liquid, gas, or solid, which differ from the chemical composition of the material or compound. Impurities are either naturally occurring or added during synthesis of a chemical or commercial product.
 
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Catalogue No.:VL/I-13638
CAS No. :142926-07-6
Mol. Formula :C21H25ClN2O4S
Mol. Weight :436.95
Synonym :O-Desmethyl Diltiazem HCl ; (2S,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-hydroxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate HCl

Catalogue No.:VL/I-13637
CAS No. :
Mol. Formula :C19H22N2O3S.HCl
Mol. Weight :394.91
Synonym :(2S,3S)-5-[2-(Methylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-ol

Catalogue No.:VL/I-13660
CAS No. :118435-03-3
Mol. Formula :C22H24ClN5O3
Mol. Weight :441.91
Synonym :Domperidone EP Impurity C;Domperidone N-Oxide;(1r,4s)-4-(5-chloro-2-oxo-2,3-dihydro-1H-1,3- benzodiazol-1-yl)-1-[3-(2-oxo-2,3-dihydro-1H-1,3- benzodiazol-1-yl)propyl]piperidin-1-ium-1-olate

Catalogue No.:VL/I-13659
CAS No. :1614255-34-3
Mol. Formula :C32H34ClN7O3
Mol. Weight :600.11
Synonym :5-Chloro-3-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-4-piperidinyl]-1,3-dihydro-2H-benzimidazol-2-one; Domperidone Impurity D

Catalogue No.:VL/I-13635
CAS No. :1296129-15-1
Mol. Formula :C24H21F2NO3
Mol. Weight :409.44
Synonym :(2R,3R,6S)-N,6-Bis(4-fluorophenyl)tetrahydro-2-(4-hydroxyphenyl)-2H-pyran-3-carboxamide; SCH59566

Catalogue No.:VL/I-13631
CAS No. :1797983-48-2
Mol. Formula :C19H14Cl4N10
Mol. Weight :524.19
Synonym :3-[[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-3-amino]methylamino]-5-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine; Lamotrigine Dimer Impurity 1

Catalogue No.:VL/I-13632
CAS No. : 
Mol. Formula :C19H14Cl4N10
Mol. Weight :524.19
Synonym :Lamotrigine 5,5-Dimer

Catalogue No.:VL/I-13628
CAS No. :887769-34-8
Mol. Formula :C36H39N3O6.HCl
Mol. Weight :646.19
Synonym :2,6-Dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 3-[2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl] 5-Methyl Ester; 2,6-Dimethyl-4-(3-nitrophenyl)-3,5-pyridinedicarboxylic Acid 2-[(3,3-Diphenylpropyl)methylamino]-1,1-dimethylethyl Methyl Ester

Catalogue No.:VL/I-13630
CAS No. :63971-25-5
Mol. Formula :C12H21NO
Mol. Weight :195.3
Synonym :3,5-Dimethyltricyclo[3.3.1.13,7]decan-1-amine Hydrochloride; 3,5-Dimethyl-1- adamantanamine

Catalogue No.:VL/I-13618
CAS No. :123-30-8
Mol. Formula : C6H7NO
Mol. Weight :109.13
Synonym :4-Aminophenol, 4-Hydroxyaniline

Catalogue No.:VL/I-13616
CAS No. :591-27-5
Mol. Formula : C6H7NO
Mol. Weight :109.13
Synonym :4-amino 2-hydroxybenzoic acid

Catalogue No.:VL/I-13617
CAS No. :95-55-6
Mol. Formula : C6H7NO
Mol. Weight :109.13
Synonym :5-amino-2-hydroxy-3-(4-sulfophenyl)benzoic acid

Catalogue No.:VL/I-13614
CAS No. :99-05-8
Mol. Formula :C7H7NO2
Mol. Weight :137.14
Synonym :3-Amino benzoic acid; 3-aminobenzoic acid

Catalogue No.:VL/I-13611
CAS No. :570-23-0
Mol. Formula : C7H7NO3
Mol. Weight :153.14
Synonym : 3-Amino-2-hydroxybenzoic acid

Catalogue No.:VL/I-13612
CAS No. :490-79-9
Mol. Formula :C7H6O4
Mol. Weight :154.12
Synonym :2,5-DHBA, DHB, Gentisic acid, Hydroquinonecarboxylic acid

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