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Chemical materials

O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O758876 / 100G
CAS No.：478800-84-9
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O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O758876 / 5G
CAS No.：478800-84-9
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O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O-ethyl S-(1-oxo-1，2，3，4-tetrahydronaphthalen-2-yl) carbonodithioate

O758876 / 25G
CAS No.：478800-84-9
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1-Octenylsuccinic anhydride ≥95%

1-Octenylsuccinic anhydride ≥95%

O760087 / 100G
CAS No.：7757-96-2
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3，3'-Oxybis(butan-1-ol) 97%

3，3'-Oxybis(butan-1-ol) 97%

O760116 / 250MG
CAS No.：54289-82-6
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3，3'-Oxybis(butan-1-ol) 97%

3，3'-Oxybis(butan-1-ol) 97%

O760116 / 50MG
CAS No.：54289-82-6
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3，3'-Oxybis(butan-1-ol) 97%

3，3'-Oxybis(butan-1-ol) 97%

O760116 / 100MG
CAS No.：54289-82-6
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4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

O760289 / 100MG
CAS No.：5768-27-4
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4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

O760289 / 250MG
CAS No.：5768-27-4
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4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

4-Oxo-4-(pyridin-2-yl)butanoic acid 97%

O760289 / 1G
CAS No.：5768-27-4
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4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

O760373 / 250MG
CAS No.：556034-11-8
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4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

O760373 / 5G
CAS No.：556034-11-8
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4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

4-((4-Oxochroman-3-ylidene)methyl)benzoic acid 98%

O760373 / 1G
CAS No.：556034-11-8
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4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

O760414 / 25MG
CAS No.：54616-64-7
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4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

O760414 / 10MG
CAS No.：54616-64-7
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4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

4，4'-(Oxybis(4，1-phenylenesulfonyl))dianiline 98%

O760414 / 50MG
CAS No.：54616-64-7
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1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

O760453 / 250MG
CAS No.：5391-40-2
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1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

O760453 / 100MG
CAS No.：5391-40-2
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1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

1，1'-(2-Oxoimidazolidine-1，3-diyl)diethanone 97%

O760453 / 1G
CAS No.：5391-40-2
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3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

O760509 / 1G
CAS No.：52333-90-1
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3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

O760509 / 100MG
CAS No.：52333-90-1
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3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

3-(Oxazolo[4，5-b]pyridin-2-yl)aniline 95%

O760509 / 250MG
CAS No.：52333-90-1
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7-Oxooxepane-4-carboxylic acid 95%

7-Oxooxepane-4-carboxylic acid 95%

O760628 / 1G
CAS No.：485817-06-9
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2-Oxo-2-(piperidin-1-yl)acetic acid 95%

2-Oxo-2-(piperidin-1-yl)acetic acid 95%

O760675 / 1G
CAS No.：4706-33-6
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2-Oxo-2-(piperidin-1-yl)acetic acid 95%

2-Oxo-2-(piperidin-1-yl)acetic acid 95%

O760675 / 250MG
CAS No.：4706-33-6
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2-(4-Oxopyridin-1(4H)-yl)acetic acid ≥95%

2-(4-Oxopyridin-1(4H)-yl)acetic acid ≥95%

O760699 / 5G
CAS No.：45965-36-4
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2-(4-Oxopyridin-1(4H)-yl)acetic acid ≥95%

2-(4-Oxopyridin-1(4H)-yl)acetic acid ≥95%

O760699 / 1G
CAS No.：45965-36-4
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15-Oxopentadecanoic acid 97%

15-Oxopentadecanoic acid 97%

O760704 / 250MG
CAS No.：4587-29-5
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15-Oxopentadecanoic acid 97%

15-Oxopentadecanoic acid 97%

O760704 / 100MG
CAS No.：4587-29-5
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15-Oxopentadecanoic acid 97%

15-Oxopentadecanoic acid 97%

O760704 / 50MG
CAS No.：4587-29-5
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3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

O760744 / 250MG
CAS No.：443956-11-4
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3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

O760744 / 50MG
CAS No.：443956-11-4
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3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

3-Oxo-3，4-dihydro-2H-pyrido[3，2-b][1，4]oxazine-6-carbaldehyde 95%

O760744 / 100MG
CAS No.：443956-11-4
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1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

O760770 / 250MG
CAS No.：4378-87-4
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1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

O760770 / 100MG
CAS No.：4378-87-4
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1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

1，2，5-Oxadithiolane 2，2，5，5-tetraoxide 95%

O760770 / 50MG
CAS No.：4378-87-4
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7-Oxoheptanoic acid 97%

7-Oxoheptanoic acid 97%

O761090 / 250MG
CAS No.：35923-65-0
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7-Oxoheptanoic acid 97%

7-Oxoheptanoic acid 97%

O761090 / 100MG
CAS No.：35923-65-0
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7-Oxoheptanoic acid 97%

7-Oxoheptanoic acid 97%

O761090 / 50MG
CAS No.：35923-65-0
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4-(2-Oxo-2-phenylethyl)benzoic acid 95%

4-(2-Oxo-2-phenylethyl)benzoic acid 95%

O761151 / 100MG
CAS No.：346623-13-0
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4-(2-Oxo-2-phenylethyl)benzoic acid 95%

4-(2-Oxo-2-phenylethyl)benzoic acid 95%

O761151 / 250MG
CAS No.：346623-13-0
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4-(2-Oxo-2-phenylethyl)benzoic acid 95%

4-(2-Oxo-2-phenylethyl)benzoic acid 95%

O761151 / 1G
CAS No.：346623-13-0
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4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

O761195 / 1G
CAS No.：340736-83-6
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4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

O761195 / 250MG
CAS No.：340736-83-6
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4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

4-(1，2，4-Oxadiazol-3-yl)benzoic acid 95%

O761195 / 100MG
CAS No.：340736-83-6
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3-Oxa-1-azaspiro[4.5]decane-2，4-dione 95%

3-Oxa-1-azaspiro[4.5]decane-2，4-dione 95%

O761293 / 100MG
CAS No.：3253-43-8
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2-(2-Oxomorpholino)acetic acid 95%

2-(2-Oxomorpholino)acetic acid 95%

O761412 / 5G
CAS No.：302900-65-8
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2-(2-Oxomorpholino)acetic acid 95%

2-(2-Oxomorpholino)acetic acid 95%

O761412 / 1G
CAS No.：302900-65-8
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2-(2-Oxomorpholino)acetic acid 95%

2-(2-Oxomorpholino)acetic acid 95%

O761412 / 250MG
CAS No.：302900-65-8
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3，3'-((Oxybis(propane-3，1-diyl))bis(oxy))bis(propan-1-ol) 95%

3，3'-((Oxybis(propane-3，1-diyl))bis(oxy))bis(propan-1-ol) 95%

O761417 / 100MG
CAS No.：30242-05-8
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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

Taichung Branch

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

Tainan Branch

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

Kaohsiung Branch

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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