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Naproxen

Chemical name : (2S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid

Mol. Formula : C14H14O3

Mol. Weight : 230.3

Naproxen Impurity G (EP)

Code : VN060001

Chemical name : (2R)-2-(6-Methoxynaphthalen-2-yl)propanoic acid

Nicotinic Acid

Chemical name : pyridine-3-carboxylic acid

Mol. Formula : C6H5NO2

Mol. Weight : 123.1094

2-Amino Nicotinic Acid

Code : VN010001

Chemical name : 2-Amino-3-pyridinecarboxylic Acid
Nicotinic Acid Methyl Ester

Code : VN010002

Chemical name : Methyl 6-(Acetoxymethyl)-4-methoxy-5-methyl-3-pyridinecarboxylate
6-Amino Nicotinic Acid

Code : VN010003

Chemical name : 6-Amino-3-pyridinecarboxylic Acid
3-Aminoiso Nicotinic Acid

Code : VN010004

Chemical name : 3-Amino-4-pyridinecarboxylic acid
Arecaidine

Code : VN010005

Chemical name : 3-Pyridinecarboxylicacid
Isonicotinamide

Code : VN010006

Chemical name : pyridine-4-carboxamide

Nifedipine

Chemical name : Dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate

Mol. Formula : C17H18N2O6

Mol. Weight : 346.33

Nifedipine Impurity A (EP)

Code : VN020001

Chemical name : dimethyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate
Nifedipine Impurity B (EP)

Code : VN020002

Chemical name : dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
Nifedipine Impurity C (EP)

Code : VN020003

Chemical name : methyl 2-(2-nitrobenzylidene)-3- oxobutanoate
Nifedipine Impurity D (EP)

Code : VN020004

Chemical name : methyl 3-aminobut-2-enoate

Nifuroxazide

Chemical name : 4-Hydroxy-N'-[(5-nitrofuran-2-yl)methylene]benzohydrazide

Mol. Formula : C12H9N3O5

Mol. Weight : 275.2

Diazepam EP Impurity A (Nordazepam)

Code : D160007

Chemical name : 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one (Nordazepam); (z)-7-chloro-5-phenyl-1h-benzo[e][1,4]diazepin-2(3h)-one;
Unit : 10mg, 20mg, 50mg,100mg,
Diazepam EP Impurity B

Code : D160002

Chemical name : 2-Chloro-N-(4-chloro-2-benzoylphenyl)-N-methylacetamide
Diazepam Impurity A (USP)

Code : SP040102

Chemical name : (2-amino-5-chlorophenyl)(phenyl)methanone
Unit : 10mg, 20mg, 50mg, 100mg
Diazepam EP Impurity E

Code : D160005

Chemical name : 6-Chloro-1-methyl-4-phenyl-2(1H)-quinazolinone
Nifuroxazide Impurity B (EP)

Code : VN050001

Chemical name : methyl 4-hydroxybenzoate
Nifuroxazide Impurity D (EP)

Code : VN050002

Chemical name : (1E,2E)-bis[(5-nitrofuran-2-yl)methylidene]hydrazine
Nifuroxazide Impurity A (EP)

Code : VN050003

Chemical name : 4-hydroxybenzohydrazide
Nifuroxazide Impurity C (EP)

Code : VN050004

Chemical name : (5-nitrofuran-2-yl)methylidene diacetate (5-nitrofurfural azine)
Nifuroxazide Impurity E (EP)

Code : VN050005

Chemical name : 4-hydroxy-N'-[(Z)-(5-nitrofuran-2-yl)methylidene]benzohydrazide

Nimesulide (EP/BP)

Chemical name : N-(4-Nitro-2-phenoxyphenyl) methanesulphonamide

Mol. Formula : C13H12N2O5S

Mol. Weight : 308.311

Nimesulide Impurity A (EP / BP)

Code : VN030001

Chemical name : N-(2,4-dinitro-6-phenoxyphenyl) methanesulphonamide
Nimesulide Impurity B (EP / BP)

Code : VN030002

Chemical name : N-(2-phenoxyphenyl) methanesulphonamide
Nimesulide Impurity C (EP / BP)

Code : VN030003

Chemical name : 2-phenoxyaniline
Nimesulide Impurity D (EP / BP)

Code : VN030004

Chemical name : 4-nitro-2-phenoxyaniline
Nimesulide Impurity E (EP / BP)

Code : VN030005

Chemical name : N,N-bis(methylsulphonyl)-2-phenoxyaniline
Nimesulide Impurity F (EP / BP)

Code : VN030006

Chemical name : N,N-bis(methylsulphonyl)-4-nitro-2- phenoxyaniline
Nimesulide Impurity G (EP / BP)

Code : VN030007

Chemical name : 4-nitro-2-phenoxyphenol.

Nitrosamine Impurities

Chemical name : Nitrosamine Impurities

Nortriptyline Carbamate (Nort Carba)

Chemical name : 3-(10,11-dihydro-5H-dibenzo[a,d][7] annulen-5-ylidene)-N-methylpropan-1-amine

Mol. Formula : C19H22ClN

Mol. Weight : 299.8

Nortriptyline Impurity A (EP)

Code : VN040001

Chemical name : 10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one
Nortriptyline Impurity B (EP)

Code : VN040002

Chemical name : 3-(5H-Dibenzo-[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine Hydrochloride
Nortriptyline Impurity D (EP)

Code : VN040003

Chemical name : name 5-[3-(Dimethylamino)propyl]-10,11-dihydro-5H-dibenzo-[a,d][7]annulen-5-ol
Nortriptyline Impurity E (EP)

Code : VN040004

Chemical name : 3-(5HDibenzo[a,d][7]annulen-5-ylidene)-N,N-dimethylpropan-1-amine Hydrochloride
Nortriptyline Impurity F (EP)

Code : VN040005

Chemical name : 3-(10,11-dihydro-5H-dibenzo [a,d] cycloheptene-5-ylidene)-N,N-dimethylpropan-1-amine hydrochloride
Nortriptyline Impurity G (EP)

Code : VN040006

Chemical name : [3-(10,11-Dihydro-5H-dibenzo[a,d][7] annulen-5-ylidene)propyl]-dimethylamine Oxide Hydrochloride
Nortriptyline Carbamate

Code : VN040007

Chemical name : ethyl [3-(10,11-dihydro-5H-dibenzo [a,d][7]annulen-5-ylidene)propyl]methylcarbamate

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