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Chemical materials

3，5-Dibromo-6-chloropyridin-2-amine ≥97%

3，5-Dibromo-6-chloropyridin-2-amine ≥97%

D733749-250MG / 250MG
CAS No.：1261269-84-4
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3，5-Dibromo-6-chloropyridin-2-amine ≥97%

3，5-Dibromo-6-chloropyridin-2-amine ≥97%

D733749-5G / 5G
CAS No.：1261269-84-4
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Diethyl Pyrazolo[1，5-a]pyridine-2，3-dicarboxylate ≥97%

Diethyl Pyrazolo[1，5-a]pyridine-2，3-dicarboxylate ≥97%

D733759-5G / 5G
CAS No.：1226776-92-6
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3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

D733776-1G / 1G
CAS No.：33632-74-5
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3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

D733776-250MG / 250MG
CAS No.：33632-74-5
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3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

3，4-Dihydro-2H-benzo[b][1，4]dioxepine-2-carboxylic acid ≥95%

D733776-5G / 5G
CAS No.：33632-74-5
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4，6-Dibromo-1H-benzo[d]imidazole ≥95%

4，6-Dibromo-1H-benzo[d]imidazole ≥95%

D733807-100MG / 100MG
CAS No.：69038-75-1
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4，6-Dibromo-1H-benzo[d]imidazole ≥95%

4，6-Dibromo-1H-benzo[d]imidazole ≥95%

D733807-1G / 1G
CAS No.：69038-75-1
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4，6-Dibromo-1H-benzo[d]imidazole ≥95%

4，6-Dibromo-1H-benzo[d]imidazole ≥95%

D733807-250MG / 250MG
CAS No.：69038-75-1
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2，5-Dihydro-4-hydroxy-2-oxo-1H-pyrrole-1-carboxylic acid 1，1-dimethylethyl ester ≥95%

2，5-Dihydro-4-hydroxy-2-oxo-1H-pyrrole-1-carboxylic acid 1，1-dimethylethyl ester ≥95%

D733847-1G / 1G
CAS No.：182352-48-3
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2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

D733865-100MG / 100MG
CAS No.：67643-17-8
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2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

D733865-1G / 1G
CAS No.：67643-17-8
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2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

2，4-Dihydroxy-6-methylnicotinonitrile ≥97%

D733865-250MG / 250MG
CAS No.：67643-17-8
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2，6-Dichloro-1，8-naphthyridine ≥95%

2，6-Dichloro-1，8-naphthyridine ≥95%

D733894-100MG / 100MG
CAS No.：1260898-43-8
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2，6-Dichloro-1，8-naphthyridine ≥95%

2，6-Dichloro-1，8-naphthyridine ≥95%

D733894-250MG / 250MG
CAS No.：1260898-43-8
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2，6-Dichloro-1，8-naphthyridine ≥95%

2，6-Dichloro-1，8-naphthyridine ≥95%

D733894-25MG / 25MG
CAS No.：1260898-43-8
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(1R，2S，5S)-6，6-Dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid ≥95%

(1R，2S，5S)-6，6-Dimethyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid ≥95%

D733895-1G / 1G
CAS No.：911835-76-2
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2，3-Dihydroimidazo[1，2-a]pyridin-5(1H)-one ≥95%

2，3-Dihydroimidazo[1，2-a]pyridin-5(1H)-one ≥95%

D733922-100MG / 100MG
CAS No.：1000981-77-0
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2，3-Dihydroimidazo[1，2-a]pyridin-5(1H)-one ≥95%

2，3-Dihydroimidazo[1，2-a]pyridin-5(1H)-one ≥95%

D733922-250MG / 250MG
CAS No.：1000981-77-0
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2，7-Diazaspiro[4.4]nonan-1-one ≥95%

2，7-Diazaspiro[4.4]nonan-1-one ≥95%

D733923-1G / 1G
CAS No.：1203796-97-7
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2，4-Dichloro-5-cyclopropylpyrimidine ≥98%

2，4-Dichloro-5-cyclopropylpyrimidine ≥98%

D733942-100MG / 100MG
CAS No.：1190379-86-2
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3，5-Difluoro-4-nitrobenzyl Alcohol ≥97%

3，5-Difluoro-4-nitrobenzyl Alcohol ≥97%

D733943-1G / 1G
CAS No.：1123172-89-3
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3，5-Difluoro-4-nitrobenzyl Alcohol ≥97%

3，5-Difluoro-4-nitrobenzyl Alcohol ≥97%

D733943-250MG / 250MG
CAS No.：1123172-89-3
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6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

D733945-100MG / 100MG
CAS No.：951626-38-3
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6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

D733945-1G / 1G
CAS No.：951626-38-3
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6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

6，7-Dihydropyrazolo[1，5-A]Pyrazin-4(5H)-One ≥98%

D733945-250MG / 250MG
CAS No.：951626-38-3
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4，4-Dimethylpyrrolidine-2，3-dione ≥95%

4，4-Dimethylpyrrolidine-2，3-dione ≥95%

D733966-1G / 1G
CAS No.：1248826-72-3
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3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

D733983-100MG / 100MG
CAS No.：527681-61-4
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3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

D733983-1G / 1G
CAS No.：527681-61-4
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3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

3，4-Dihydro-2H-pyrano[2，3-c]pyridine-6-carbaldehyde ≥95%

D733983-250MG / 250MG
CAS No.：527681-61-4
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2，4-Dichloro-6，7-dihydro-5H-cyclopenta[b]pyridine hydrochloride ≥95%

2，4-Dichloro-6，7-dihydro-5H-cyclopenta[b]pyridine hydrochloride ≥95%

D734003-1G / 1G
CAS No.：1187830-87-0
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3，6-Diazaspiro[3.3]heptane-6-carboxylic acid tert-butyl ester hemioxylate ≥95%

3，6-Diazaspiro[3.3]heptane-6-carboxylic acid tert-butyl ester hemioxylate ≥95%

D734019-250MG / 250MG
CAS No.：1272412-72-2
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3，5-Difluoro-4-iodopyridine ≥95%

3，5-Difluoro-4-iodopyridine ≥95%

D734033-100MG / 100MG
CAS No.：1116099-07-0
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3，5-Difluoro-4-iodopyridine ≥95%

3，5-Difluoro-4-iodopyridine ≥95%

D734033-1G / 1G
CAS No.：1116099-07-0
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3，5-Difluoro-4-iodopyridine ≥95%

3，5-Difluoro-4-iodopyridine ≥95%

D734033-250MG / 250MG
CAS No.：1116099-07-0
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3，5-Difluoro-4-iodopyridine ≥95%

3，5-Difluoro-4-iodopyridine ≥95%

D734033-5G / 5G
CAS No.：1116099-07-0
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2，5-Diazaspiro[3.5]nonane-5-carboxylicacid tert-butyl ester ≥95%

2，5-Diazaspiro[3.5]nonane-5-carboxylicacid tert-butyl ester ≥95%

D734043-1G / 1G
CAS No.：1246035-53-9
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2，5-Diazaspiro[3.5]nonane-5-carboxylicacid tert-butyl ester ≥95%

2，5-Diazaspiro[3.5]nonane-5-carboxylicacid tert-butyl ester ≥95%

D734043-250MG / 250MG
CAS No.：1246035-53-9
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2'，4'-Dihydro-1'H-spiro[piperidine-4，3'-quinoline]-2'-one hydrochloride ≥95%

2'，4'-Dihydro-1'H-spiro[piperidine-4，3'-quinoline]-2'-one hydrochloride ≥95%

D734047-1G / 1G
CAS No.：1175358-24-3
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2'，4'-Dihydro-1'H-spiro[piperidine-4，3'-quinoline]-2'-one hydrochloride ≥95%

2'，4'-Dihydro-1'H-spiro[piperidine-4，3'-quinoline]-2'-one hydrochloride ≥95%

D734047-250MG / 250MG
CAS No.：1175358-24-3
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2，6-Difluoro-4-methoxyphenylboronic acid pinacol ester ≥98%

2，6-Difluoro-4-methoxyphenylboronic acid pinacol ester ≥98%

D734075-1G / 1G
CAS No.：1111096-19-5
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(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

D734122-100MG / 100MG
CAS No.：637027-24-8
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(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

D734122-1G / 1G
CAS No.：637027-24-8
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(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

(R)-1，4-di-Boc-piperazine-2-carboxylic acid Methyl ester ≥95%

D734122-250MG / 250MG
CAS No.：637027-24-8
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5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

D734126-100MG / 100MG
CAS No.：885268-02-0
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5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

D734126-1G / 1G
CAS No.：885268-02-0
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5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

5-(Trifluoromethyl)-3，4-dihydronaphthalen-1(2H)-one ≥95%

D734126-250MG / 250MG
CAS No.：885268-02-0
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4，7-Dimethoxy-1H-Pyrrolo[2，3-C]Pyridine Hydrochloride ≥95%

4，7-Dimethoxy-1H-Pyrrolo[2，3-C]Pyridine Hydrochloride ≥95%

D734133-100MG / 100MG
CAS No.：917918-79-7
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4，7-Dimethoxy-1H-Pyrrolo[2，3-C]Pyridine Hydrochloride ≥95%

4，7-Dimethoxy-1H-Pyrrolo[2，3-C]Pyridine Hydrochloride ≥95%

D734133-250MG / 250MG
CAS No.：917918-79-7
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(S)-1，4-Di-tert-butyl 2-methyl piperazine-1，2，4-tricarboxylate ≥95%

(S)-1，4-Di-tert-butyl 2-methyl piperazine-1，2，4-tricarboxylate ≥95%

D734139-250MG / 250MG
CAS No.：958635-19-3
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Address 15F-2, No. 218, Section 1, Wenxin Road, Nantun District, Taichung City
Telephone 04-2472-8859
Fax 04-2472-8825
Mail taichung@echochemical.com

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Address No. 33, Lane 63, Yanzhou 1st Street, Yongkang District, Tainan City
Telephone 06-243-6589
Fax 06-253-8208
Mail tainan@echochemical.com

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Address No. 479, Fengding Road, Fengshan District, Kaohsiung City
Telephone 07-753-9988
Fax 07-753-1958
Mail kaohsiung@echochemical.com
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