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 Pyridine Series 
 Pyrimidine Series 
 Indole Series 
 Other Heterocyclic Series 
 Phenyl Series 
 Speciality Chemicals 


2,3-Diaminopyridine 
2,6-Diaminopyridine 
3,4-Diaminopyridine 
2,4-Dibromopyridine 
2,6-Dibromopyridine 
3,5-Dibromopyridine 
2-Amino-3,5-Dibromopyridine 
2,5-Dibromo-3-Methylpyridine 
2,3-Dichloropyridine 
2,4-Dichloropyridine 
2,5-Dichloropyridine 
4-Amino-3,5-Dichloropyridine 
2,3-Dihydroxypyridine 
2,4-Dihydroxypyridine 
2-Amino-3-Hydroxypyridine 
2-Amino-3-Nitro-6-Chloropyridine 
2-Amino-3-Nitro-6-Methoxypyridine 
2-Amino-5-Chloropyridine 
2-Amino-5-Nitropyridine 
2-Amino-6-Bromopyridine 
2-Amino-6-Chloropyridine 
3-Amino-4-Methylpyridine 
3-Amino-5-Bromopyridine 
2-Benzoylpyridine 
4-Benzoylpyridine 
2-Bromo-4-Aminopyridine 
2-Bromo-4-Methylpyridine 
2-Bromo-5-Aminopyridine 
2-Bromo-5-Chloropyridine 
2-Bromo-5-Methylpyridine 
2-Bromo-5-Nitropyridine 
2-Bromo-6-Fluoropyridine 
2-Bromo-6-Methylpyridine 
2-Bromo-6-Methoxypyridine 
3-Bromo-2-Methylpyridine 
4-Bromopyridine Hydrochloride 
2-Chloro-3-Aminopyridine 
2-Chloro-3-Amino-4-Methylpyridine 
2-Chloro-4-Aminopyridine 
2-Chloro-5-Aminopyridine 
2-Chloro-5-Bromopyridine 
2-Chloro-4-Cyanopyridine 
2-Chloro-5-Cyanopyridine 
2-Chloro-5-(chloromethyl)pyridine 
2-Chloro-3-Fluoropyridine 
2-Chloro-4-Iodopyridine 
2-Chloro-5-Iodopyridine 
2-Chloro-6-Methylpyridine 
2-Chloro-3-Nitropyridine 
2-Chloro-3-Nitro-6-Methoxypyridine 
2-Chloro-5-Nitropyridine 
4-Chloro-3-Pyridinesulfonamide 
2-Fluoro-5-Aminopyridine 
2-Fluoro-4-Bromopyridine 
2-Fluoro-3-Iodopyridine 
2-Fluoro-4-Iodopyridine 
2-Fluoro-6-Methylpyridine 
4-Fluoropyridine Hydrochloride 
2-Hydroxypyridine 
2-Hydroxy-4-Methyl-5-Nitropyridine 
2-Hydroxy-5-Nitropyridine 
2-Methyl-4-Bromopyridine 
2-Methyl-5-Bromopyridine 
2-Methyl-5-Nitropyridine 
2-Methoxy-5-Aminopyridine 
2-Methoxy-5-Bromopyridine 
2-Nitro-3-Hydroxypyridine 
2-Nitro-3-Methoxypyridine 
2-Nitro-5-Bromopyridine 
4-Nitropyridine-N-oxide 
2-Iodo-5-Bromopyridine 
2-Amino-5-(trifluoromethyl)pyridine 
2-Bromo-3-(trifluoromethyl)pyridine 
2-Bromo-5-(trifluoromethyl)pyridine 
5-Bromo-2-(trifluoromethyl)pyridine 
2-Chloro-3-(trifluoromethyl)pyridine 
2-Chloro-5-(trifluoromethyl)pyridine 
2-Chloro-6-(trifluoromethyl)pyridine 
2,3-Dichloro-5-(trifluoromethyl)pyridine 
2-Fluoro-3-(trifluoromethyl)pyridine 
2-Fluoro-5-(trifluoromethyl)pyridine 
2,3-Pyridinedicarboxylic acid 
2,3-Pyridinedicarboxylic anhydride 
2,6-Pyridinedicarboxylic acid 
3,5-Pyridinedicarboxylic acid 
3,4-Pyridinedicarboxylic acid 
3-Bromo-2-pyridinecarboxylic acid 
3-Amino-2-pyridinecarboxylic acid 
3-Hydroxy-2-Pyridinecarboxylic acid 
5-Bromo2-Pyridinecarboxylic acid 
6-Bromo-2-Pyridinecarboxylic acid 
6-Chloro-2-pyridinecarboxylic acid 
2,5-Dichloronicotinic acid 
2,6-Dichloronicotinic acid 
2,6-Dichloro-5-Fluoronicotinic acid 
3-Aminoisonicotinic acid 
2-Bromoisonicotinic acid 
2-Chloroisonicotinic acid 
3-Chloroisonicotinic acid 
2-Fluoroisonicotinic acid 
2-Aminonicotinic acid 
5-Aminonicotinic acid 
6-Aminonicotinic acid 
4-Bromonicotinic acid 
5-Bromonicotinic acid 
6-Bromonicotinic acid 
5-Chloronicotinic acid 
6-Chloronicotinic acid 
6-Fluoronicotinic acid 
5-Hydroxynicotinic acid 
6-(trifluoromethyl)nicotinic acid 
5-Bromonicotinic acid methyl ester 
5-Bromonicotinic acid ethyl ester 
5-Bromonicotinamide 
2-Aminopyrimidine 
2-Amino-5-Bromopyrimidine 
2-Bromopyrimidine 
5-Bromopyrimidine 
5-Bromo-2-Iodopyrimidine 
2-Chloropyrimidine 
2-Chloro-5-Bromopyrimidine 
2-Cyanopyrimidine 
2-Hydroxy-5-Bromopyrimidine 
2-Methoxy-5-Bromopyrimidine 
2,4-Dichloropyrimidine 
2,4-Dichloro-5-Bromopyrimidine 
2,4-Dichloro-5-Fluoropyrimidine 
2,4-Dichloro-5-Methylpyrimidine 
2,4-Dichloro-5-Nitropyrimidine 
2,4-Dichloro-5-Iodopyrimidine 
2,4-Dichloro-6-Methylpyrimidine 
2,4,6-Trichloropyrimidine 
4,6-Dichloropyrimidine 
4,6-Dichloro-2-Methythiopyrimidine 
2-Indolinone 
3-Indole Acetonitrile 
3-Indole Methanol 
4-(2-nitrovinyl)indole 
7-Azaindole 
(s)-Indoline-2-Carboxylic acid 
(2s,3as,7as)-Octahydro-1H-indole-2-carboxylic acid 
4-Aminoindole 
5-Aminoindole 
4-Bromoindole 
6-Bromoindole 
7-Bromoindole 
5-Fluoroindole 
6-Fluoroindole 
4-Hydroxyindole 
5-Hydroxyindole 
6-Hydroxyindole 
5-Methylindole 
5-Methoxyindole 
6-Methoxyindole 
4-Nitroindole 
6-Nitroindole 
7-Nitroindole 
Indole-2-Carboxylic acid 
Indole-3-Carboxylic acid 
Indole-6-Carboxylic acid 
6-Methoxyindole-2-Carboxylic acid 
Indole-3-Carboxaldehyde 
Indole-4-Carboxaldehyde 
Indole-5-Carboxaldehyde 
2-Chloroadenine 
2-Fluoroadenine 
N6-Benzoyladenine 
2,6-Diaminopurine 
2,6-Dichloropurine 
2-Amino-6-Chloropurine 
2-Amino-6-Methoxypurine 
2-Fluoro-6-Chloropurine 
6-Benzylaminopurine 
6-Chloropurine 
6-Furfurylaminopurine 
6-Methoxypurine 
3-Aminopyrazole 
3-Methylpyrazole 
4-Methylpyrazole 
2-Acetylpyrazine 
2-Aminopyrazine 
2-Amino-3,5-Dibromopyrazine 
3-Aminopyrazine-2-Carboxylic acid 
Methyl 3-Aminopyrazine-2-Carboxylate 
2-Amino-5-Bromopyrazine 
2-Amino-6-Chloropyrazine 
3-Chloro-6-Methylpyridazine 
3-Hydroxypiperidine Hydrochloride 
4-Hydroxypiperidine 
3-Piperidinecarboxylic acid 
4-Piperidine Methanol 
Ethyl 4-Piperidine Carboxylate 
N-Boc-4-Piperidinone 
3-Bromothiophene 
2-Ethylthiophene 
3-Hexylthiophene 
3-Methoxybenzenethiol 
4-Bromo-2-Thiophenecarboxaldehyde 
4-Imidazoleacrylic acid 
2-Bromothiazole 
9-Vinylcarbazole 
1H-1,2,3-Triazole 
3-Furoic acid 
1-Fluoronaphthalene 
2-Naphthylacetic acid 
2-Bromostyrene 
4-Bromostyrene 
2-Chlorostyrene 
4-Chlorostyrene 
3-Bromoanisole 
3-Fluoroanisole 
3,4-Difluoroanisole 
2-Bromo-3-Fluoroanisole 
4-Trifluoromethoxyanisole 
3-Bromophenol 
3,5-Difluorophenol 
3,4,5-Trifluorophenol 
4-Bromo-3-Fluorophenol 
4-Bromoiodobenzene 
3-Bromofluorobenzene 
3-Bromonitrobenzene 
3,4-Difluorobromobenzene 
2,4-Dinitrofluorobenzene 
2-Methyl-3-Trifluoromethylaniline 
3-Bromoaniline 
3-Chloro-2-Nitroaniline 
3-Nitro-4-Methylaniline 
4,5-Difluoro-2-Nitroaniline 
3,4-Diaminobenzoic acid 
4-Amino-3-Nitrobenzoic acid 
2-Chloro-5-Bromobenzoic acid 
Methyl 2-Bromo-5-Chlorobenzoate 
3-Trifluoromethylbenzaldehyde 
4-Trifluoromethoxybenzaldehyde 
2-Trifluoromethoxybromobenzene 
3,4,5-Trimethoxybromobenzene 
3,5-Dibromotoluene 
2-Bromo-4-Fluorotoluene 
4-Bromo-3-Fluorotoluene 
2-Bromo-5-chlorobenzotrifluoride 
3.4-Dichloro-6-Trifluoromethyltoluene 
3-Fluoro-5-Nitrotoluene 
2-Fluoro-4-Methylaniline 
2-Fluoro-5-Methylaniline 
2-Fluoro-3-Nitrotoluene 
2-Fluoro-6-Nitrotoluene 
3-Fluoro-2-Methylaniline 
3-Fluoro-4-Nitrotoluene 
3-Furoic acid 
n-Ethylmethylamine 
Cyclopropyl Bromide 
Trimethylsilyl Iodide 
Hexamethylphosphoramide 
Di-tert-butyl Dicarbonate 
2,2,6,6-Tetramethylpiperidine 
2,2,6,6-Tetramethylpiperidine-1-oxyl 
Diethyl Methylmalonate 
Diethyl Aminomalonate Hcl 
2,5-Dibromopyridine 
 
 

Changzhou Zhongtian Chemical Co., Ltd is a comprehensive high-tech company of manufacturing and trading fine chemicals, chiral chemicals and speciality chemicals. We are incorporated with two joint plants located in Jintan and Yancheng, one independent laboratory and one Hongkong trading company.

We ourselves are dedicated to heterocyclic chemicals, particularly pyridine, pyrimidine and indole derivatives. We have been regularly producing over 50 products in commercial facility and tens for custom synthesis in laboratory.

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