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Chemical materials

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-10G / 10G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-1G / 1G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-250G / 250G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-250MG / 250MG
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-25G / 25G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-500MG / 500MG
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-50G / 50G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl azepane-1,2-dicarboxylate ≥97%

O683320-5G / 5G
CAS No.：1352305-12-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-100MG / 100MG
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-10G / 10G
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-1G / 1G
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-250MG / 250MG
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-25G / 25G
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-500MG / 500MG
CAS No.：2381278-74-4
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O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O1-tert-butyl O2-methyl (2R)-azepane-1,2-dicarboxylate ≥97%

O683321-5G / 5G
CAS No.：2381278-74-4
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-100MG / 100MG
CAS No.：89897-18-7
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-10G / 10G
CAS No.：89897-18-7
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-1G / 1G
CAS No.：89897-18-7
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-250MG / 250MG
CAS No.：89897-18-7
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-500MG / 500MG
CAS No.：89897-18-7
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7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

7-oxabicyclo[2.2.1]heptan-2-ylmethanol ≥97%

O683334-5G / 5G
CAS No.：89897-18-7
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Oxazolo[4，5-b]pyridine-2(3H)-thione ≥98%

Oxazolo[4，5-b]pyridine-2(3H)-thione ≥98%

O690461-1G / 1G
CAS No.：53052-06-5
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Oxazolo[4，5-b]pyridine-2(3H)-thione ≥98%

Oxazolo[4，5-b]pyridine-2(3H)-thione ≥98%

O690461-250MG / 250MG
CAS No.：53052-06-5
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O-(4-nitrobenzyl)hydroxylamine ≥98%

O-(4-nitrobenzyl)hydroxylamine ≥98%

O690494-100MG / 100MG
CAS No.：1944-96-3
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O-(4-nitrobenzyl)hydroxylamine ≥98%

O-(4-nitrobenzyl)hydroxylamine ≥98%

O690494-1G / 1G
CAS No.：1944-96-3
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O-(4-nitrobenzyl)hydroxylamine ≥98%

O-(4-nitrobenzyl)hydroxylamine ≥98%

O690494-250MG / 250MG
CAS No.：1944-96-3
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4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

O690508-100G / 100G
CAS No.：1703-61-3
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4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

O690508-1G / 1G
CAS No.：1703-61-3
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4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

O690508-25G / 25G
CAS No.：1703-61-3
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4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

O690508-500G / 500G
CAS No.：1703-61-3
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4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

4-oxocyclopentane-1，2-dicarboxylic acid ≥98%

O690508-5G / 5G
CAS No.：1703-61-3
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3,4-Dihydroxyphenylpyruvic acid ≥97%

3,4-Dihydroxyphenylpyruvic acid ≥97%

O690513-100MG / 100MG
CAS No.：4228-66-4
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3,4-Dihydroxyphenylpyruvic acid ≥97%

3,4-Dihydroxyphenylpyruvic acid ≥97%

O690513-1G / 1G
CAS No.：4228-66-4
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3,4-Dihydroxyphenylpyruvic acid ≥97%

3,4-Dihydroxyphenylpyruvic acid ≥97%

O690513-250MG / 250MG
CAS No.：4228-66-4
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2-Oxa-5-azaspiro[3.4]octane ≥95%

2-Oxa-5-azaspiro[3.4]octane ≥95%

O690607-2.5MG / 2.5MG
CAS No.：90207-55-9
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2-Oxa-5-azaspiro[3.4]octane ≥95%

2-Oxa-5-azaspiro[3.4]octane ≥95%

O690607-5MG / 5MG
CAS No.：90207-55-9
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(2E，4E)-Octa-2，4-dien-1-ol ≥93%

(2E，4E)-Octa-2，4-dien-1-ol ≥93%

O690714-1G / 1G
CAS No.：18409-20-6
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Oxirane-2，3-dicarboxylic acid ≥95%

Oxirane-2，3-dicarboxylic acid ≥95%

O690760-100MG / 100MG
CAS No.：3272-11-5
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Oxirane-2，3-dicarboxylic acid ≥95%

Oxirane-2，3-dicarboxylic acid ≥95%

O690760-250MG / 250MG
CAS No.：3272-11-5
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Oxirane-2，3-dicarboxylic acid ≥95%

Oxirane-2，3-dicarboxylic acid ≥95%

O690760-25MG / 25MG
CAS No.：3272-11-5
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5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

O690824-1G / 1G
CAS No.：49597-17-3
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5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

O690824-250MG / 250MG
CAS No.：49597-17-3
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5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

5-Oxo-1-phenyl-2，5-dihydro-1H-pyrazole-3-carboxylic acid ≥95%

O690824-5G / 5G
CAS No.：49597-17-3
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O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O690856-100MG / 100MG
CAS No.：184591-51-3
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O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O690856-1G / 1G
CAS No.：184591-51-3
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O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O-(2-Nitrobenzyl)-L-tyrosine ≥98%

O690856-250MG / 250MG
CAS No.：184591-51-3
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1-(4-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid ≥95%

1-(4-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid ≥95%

O690909-100MG / 100MG
CAS No.：63674-57-7
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1-(4-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid ≥95%

1-(4-Butylphenyl)-5-oxopyrrolidine-3-carboxylic acid ≥95%

O690909-250MG / 250MG
CAS No.：63674-57-7
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O-(2-Chlorobenzyl)hydroxylamine hydrochloride AR

O-(2-Chlorobenzyl)hydroxylamine hydrochloride AR

O690960-100MG / 100MG
CAS No.：5555-48-6
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4-Oxo-4，5，6，7-Tetrahydrobenzofuran-2-Carboxylic Acid ≥98%

4-Oxo-4，5，6，7-Tetrahydrobenzofuran-2-Carboxylic Acid ≥98%

O690991-100MG / 100MG
CAS No.：108249-48-5
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Telephone 03-494-6939
Fax 03-493-0687
Mail chungli@echochemical.com

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Telephone 037-621-088
Fax 037-615-096
Mail miaoli@echochemical.com

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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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