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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-13613
CAS No. :62-53-3
Mol. Formula :C6H7N
Mol. Weight :93.13
Synonym :Anilin

Catalogue No.:VL/M-10348
CAS No. :118779-53-6
Mol. Formula :C15H15NO3S
Mol. Weight :289.35
Synonym : 2-(Benzhydrylsulfonyl)acetamide, 2-[(Diphenylmethyl)sulfonyl]acetamide, Modafinil sulfone

Catalogue No.:VL/I-13625
CAS No. :2688-84-8
Mol. Formula :C12H11NO
Mol. Weight :185.22
Synonym :2-Aminophenyl phenyl ether

Catalogue No.:VL/I-13622
CAS No. :5422-92-4
Mol. Formula :C12H10N2O3
Mol. Weight :230.22
Synonym :2-Amino-5-nitrodiphenyl ether, 4-Nitro-2-phenoxyaniline, 4-Nitro-2-phenoxybenzenamine

Catalogue No.:VL/I-13599
CAS No. :NA
Mol. Formula :C14H15F2NO2
Mol. Weight :267.27
Synonym :3-(2-(4-(2,4-difluorobenzoyl)piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one

Catalogue No.:VL/I-13600
CAS No. :NA
Mol. Formula :C12H14ClF2NO
Mol. Weight :261.69
Synonym :1,​2-​Benzisoxazole, 4-​fluoro-​3-​(4-​piperidinyl)​-; 4-Fluoro-3-(4-piperidinyl)-1,2-benzisoxazole ;Fluoro-3-(4-piperidyl)-1,2-benzoxazole

Catalogue No.:VL/I-13658
CAS No. :118854-48-1
Mol. Formula :C13H15NO5S
Mol. Weight :297.33
Synonym :4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylic Acid 1-Methylethyl Ester 1,1-Dioxide; 1-Methylethyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-Dioxide; NSC 640233; Piroxicam Impurity L; USP Meloxicam Related Compound C; Meloxicam USP Related Compound C

Catalogue No.:VL/I-13643
CAS No. :
Mol. Formula :C20H21BrFNO3S
Mol. Weight :454.35
Synonym :5-[5-bromo-1-(2-fluorophenyl)-2-oxopentyl)-4,5,6,7 tetrahydrothieno[3,2-c]pyridin-2-yl acetate

Catalogue No.:VL/I-13642
CAS No. :1373350-59-4
Mol. Formula :C20H21BrFNO3 S
Mol. Weight :454.35
Synonym :5-(5-bromo-5-(2-fluorophenyl)-4-oxopentyl)-4,5,6,7 tetrahydrothieno[3,2-c]pyridin-2-yl acetate

Catalogue No.:VL/I-13645
CAS No. :181289-33-8
Mol. Formula :C9H17NO3
Mol. Weight :187.24
Synonym :(4S,9S)-4,9-diisobutyl-1,6-diazecane-2,7-dione

Catalogue No.:VL/I-13644
CAS No. :61312-87-6
Mol. Formula :C8H15NO
Mol. Weight :141.21
Synonym :Pregabalin Impurity III

Catalogue No.:VL/I-13648
CAS No. :260435-42-5
Mol. Formula :C15H19N5O
Mol. Weight :285.34
Synonym :Rizatriptan-N-oxide

Catalogue No.:VL/I-13621
CAS No. :954117-24-9
Mol. Formula :C10H11NO
Mol. Weight :161.2
Synonym :4-Ethyl-1,3-dihydro-2H-indol-2-one

Catalogue No.:VL/I-13624
CAS No. :91374-25-3
Mol. Formula :C16H24N2O4
Mol. Weight :308.37
Synonym :2-(2-(2-(Dipropylamino)ethyl)-6-nitrophenyl)-acetic acid hydrochloride

Catalogue No.:VL/I-13620
CAS No. :1197348-98-3
Mol. Formula :C27H38FN3O6S
Mol. Weight :551.67
Synonym :(3R,5S,6E)-7-[4-(4-Fluorophenyl)-6-(1-methylethyl)-2-[methyl(methylsulfonyl)amino]-5-pyrimidinyl]-3,5-dihydroxy-6-heptenoic Acid 3-Methylbutyl Ester;

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