Pharmaceutical intermediates|APIs|Chemical Intermediate--Hangzhou Dingxin Biotechnology Co., Ltd.

Piperazines

Aldehydes

Product name	CAS No.
4-Chloro-2-hydroxybenzaldehyde	2420-26-0
2-hydroxy-5-iodobenzaldehyde	1761-62-2
BETA-PHENYLCINNAMALDEHYDE	1210-39-5
4-Methoxy-2-(trifluoroMethyl)benzaldehyde	106312-36-1
4-hydroxy-3-(trifluoroMethyl)benzaldehyde	220227-98-5
2-broMo-6-fluoro-3-Methylbenzaldehyde	154650-16-5
2,4-dichloronicotinaldehyde	134031-24-6
2-chloronicotinaldehyde	36404-88-3
2-broMo-6-fluorobenzaldehyde	360575-28-6
1-TrityliMidazole-4-carboxaldehyde	33016-47-6
1H-indazole-3-carboxaldehyde	5235-1 0-9
2-Methoxypyridine-3-carboxaldehyde	71255-09-9
3,5-DibroMopyridine-4-carboxaldehyde	70201-42-2
2,2-diMethylpent-4-enal	5497-67-6
6-chloronicotinaldehyde	23100-12-1
Terephthaldehyde Monodiethylacetal	81172-89-6
4-BroMobenzaldehyde Diethyl Acetal	34421-94-8
2-hydroxynicotinaldehyde	36404-89-4

Pyridines

Product name	CAS No.
2-[Chloro(4-chlorophenyl)Methyl]pyridine	142404-69-1
1-(5-broMopyridin-2-yl)ethanone	214701-49-2
alpha-(4-Chlorophenyl)pyridine-2-Methanol	27652-89-7
3,5-DibroMo-4-cyanopyridine	870244-34-1
2-Acetyl-4-Methylpyridine	59576-26-0
2-BroMo-5-Acetylpyridine	139042-59-4
5-broMo-2-ethylpyridine	38749-90-5
picoliniMidaMide hydrochloride	51285-26-8
(2-CHLORO-3-PYRIDINYL)METHANOL	42330-59-6

Pyrazines

Product name	CAS No.
3-chloropyrazin-2-aMine	6863-73-6
Methyl 3-aMino-6-broMopyrazine-2-carboxylate	6966-0 1-4
3-aMino-6-broMopyrazine-2-carbohydrazide	1225062-23-6
3-aMino-6-broMopyrazine-2-carboxylic acid	486424-37-7
3-aMino-6-chloropyrazine-2-carboxylic acid	2727-13-1
3-AMino-6-broMopyrazine-2-carbonitrile	17231-51-5

Piperazines

Product name	CAS No.
1-Boc-3-oxopiperazine	76003-29-7
4-Benzyloxycarbonyl-2-oxopiperazine	78818-15-2
piperazin-2-one	5625-67-2
1 - benzyl-2 - piperazinone	59702-21-5
1H-Indazole-4-carboxylic acid	677306-38-6
4-N-Boc-AMinocyclohexanone	179321-49-4
N-(4,5-Dichloro-2-nitrophenyl)acetaMide	5462-30-6
3-(1-(DiMethylaMino)ethyl]phenol	105601-04-5
(S)-3-1(-DiMethylaMino)ethylphenol	139306-10-8
5-broMo-3-Methylbenzene-1,2-diaMine	76153-06-5
2-broMo-3-nitrophenol	101935-40-4
2-(2-oxopyrrolidin-1-yl)-N-phenylacetaMide	7458-0 1-7
2-chloro-3-MethoxybenzenaMine	113206-03-4
3,4-DICHLOROACETANILIDE	2150-93-8
2-Methyl-3-Methoxyaniline hydrochloride	857195-15-4
Methyl hydrogen phthalate	4376-18-5
2-BroMo-6-fluorotoluene	1422-54-4
DICETYL PHOSPHATE	2197-63-9
3-MaleiMidopropionic Acid	7423-55-4
Methyl 1-trityl-1H-iMidazole-4-carboxylate	76074-88-9
Methyl propane-1-sulfonate	2697-50-9
4-Nitro-3H-isobenzofuran-1-one	65399-18-0
tert-Butyl (2-aMinophenyl)carbaMate	146651-75-4
1-Trityl-1H-iMidazole-4-carboxylic acid?	191103-80-7
3-ethoxy-2,2-diMethyl-3-oxopropanoic acid	5471-77-2
4-(N-benzylaMino)cyclohexanone	142009-99-2
diMethyl 2-nitroMalonate	5437-67-2
3-Methoxy-2-Methylaniline	19500-02-8
1-Acetyl-4-piperidone	32161-06-1
N-EthylMethylaMine	624-78-2
4-Methylpiperazin-2-one	34770-60-0
Ethyl 1-trityl-1H-iMidazole-4-carboxylate	53525-60-3

Other

Product name	CAS No.
6-Nitrophthalide	610-93-5

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