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Chemical materials

7-Oxo-4，7-dihydro-[1，2，4]triazolo[1，5-a]pyrimidine-5-carboxylic acid 95%

7-Oxo-4，7-dihydro-[1，2，4]triazolo[1，5-a]pyrimidine-5-carboxylic acid 95%

O939989 / 1G
CAS No.：34102-76-6
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7-Oxo-4，7-dihydro-[1，2，4]triazolo[1，5-a]pyrimidine-5-carboxylic acid 95%

7-Oxo-4，7-dihydro-[1，2，4]triazolo[1，5-a]pyrimidine-5-carboxylic acid 95%

O939989 / 250MG
CAS No.：34102-76-6
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6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

O939992 / 250MG
CAS No.：46475-04-1
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6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

O939992 / 1G
CAS No.：46475-04-1
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6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

6-oxo-3-phenylpiperidine-3-carboxylic acid 95%

O939992 / 100MG
CAS No.：46475-04-1
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2-oxopropanethioamide 95%

2-oxopropanethioamide 95%

O940056 / 1G
CAS No.：31787-50-5
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2-oxopropanethioamide 95%

2-oxopropanethioamide 95%

O940056 / 100MG
CAS No.：31787-50-5
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2-oxopropanethioamide 95%

2-oxopropanethioamide 95%

O940056 / 250MG
CAS No.：31787-50-5
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2-(3-Oxocyclopentyl)acetic acid 98%

2-(3-Oxocyclopentyl)acetic acid 98%

O940120 / 250MG
CAS No.：3128-05-0
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2-(3-Oxocyclopentyl)acetic acid 98%

2-(3-Oxocyclopentyl)acetic acid 98%

O940120 / 100MG
CAS No.：3128-05-0
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2-(3-Oxocyclopentyl)acetic acid 98%

2-(3-Oxocyclopentyl)acetic acid 98%

O940120 / 1G
CAS No.：3128-05-0
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2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

O940138 / 1G
CAS No.：6742-32-1
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2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

O940138 / 100MG
CAS No.：6742-32-1
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2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

2-(5-oxo-6，7，8，9-tetrahydrobenzo[7]annulen-6-yl)acetic acid 95%

O940138 / 250MG
CAS No.：6742-32-1
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2-(2-Oxo-2-phenylethyl)malononitrile 98%

2-(2-Oxo-2-phenylethyl)malononitrile 98%

O940147 / 1G
CAS No.：14476-72-3
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2-(2-Oxo-2-phenylethyl)malononitrile 98%

2-(2-Oxo-2-phenylethyl)malononitrile 98%

O940147 / 100MG
CAS No.：14476-72-3
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2-(2-Oxo-2-phenylethyl)malononitrile 98%

2-(2-Oxo-2-phenylethyl)malononitrile 98%

O940147 / 250MG
CAS No.：14476-72-3
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2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

O940180 / 1G
CAS No.：26454-80-8
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2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

O940180 / 100MG
CAS No.：26454-80-8
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2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

2-(2-Oxo-2-P-Tolylethyl)Malononitrile 95%

O940180 / 250MG
CAS No.：26454-80-8
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2-Oxaadamantan-1-ylmethanol ≥95%

2-Oxaadamantan-1-ylmethanol ≥95%

O940217 / 1G
CAS No.：1303974-14-2
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2-Oxaadamantan-1-ylmethanol ≥95%

2-Oxaadamantan-1-ylmethanol ≥95%

O940217 / 250MG
CAS No.：1303974-14-2
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2-Oxaadamantan-1-ylmethanol ≥95%

2-Oxaadamantan-1-ylmethanol ≥95%

O940217 / 100MG
CAS No.：1303974-14-2
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O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O940375 / 250MG
CAS No.：16667-96-2
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O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O940375 / 1G
CAS No.：16667-96-2
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O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O-((3AR，5R，6S，6aR)-5-((R)-2，2-dimethyl-1，3-dioxolan-4-yl)-2，2-dimethyltetrahydrofuro[2，3-d][1，3]dioxol-6-yl) S-methyl carbonodithioate 95%

O940375 / 100MG
CAS No.：16667-96-2
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4-(2-Oxopyrrolidin-1-yl)benzaldehyde 95%

4-(2-Oxopyrrolidin-1-yl)benzaldehyde 95%

O940412 / 1G
CAS No.：36151-45-8
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3-(Oxiran-2-yl)benzonitrile 95%

3-(Oxiran-2-yl)benzonitrile 95%

O940465 / 1G
CAS No.：13906-62-2
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3-(Oxiran-2-yl)benzonitrile 95%

3-(Oxiran-2-yl)benzonitrile 95%

O940465 / 250MG
CAS No.：13906-62-2
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3-(Oxiran-2-yl)benzonitrile 95%

3-(Oxiran-2-yl)benzonitrile 95%

O940465 / 100MG
CAS No.：13906-62-2
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2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

O940528 / 1G
CAS No.：6298-53-9
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2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

O940528 / 250MG
CAS No.：6298-53-9
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2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

2-(6-Oxo-1，6-dihydro-9H-purin-9-yl)acetic acid 98%

O940528 / 100MG
CAS No.：6298-53-9
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2-(Oxetan-3-yl)acetic acid 97%

2-(Oxetan-3-yl)acetic acid 97%

O940591 / 100MG
CAS No.：1310381-54-4
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2-(Oxetan-3-yl)acetic acid 97%

2-(Oxetan-3-yl)acetic acid 97%

O940591 / 250MG
CAS No.：1310381-54-4
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2-(Oxetan-3-yl)acetic acid 97%

2-(Oxetan-3-yl)acetic acid 97%

O940591 / 1G
CAS No.：1310381-54-4
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1，2-Oxazol-3-ol 95%

1，2-Oxazol-3-ol 95%

O940594 / 250MG
CAS No.：5777-20-8
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1，2-Oxazol-3-ol 95%

1，2-Oxazol-3-ol 95%

O940594 / 1G
CAS No.：5777-20-8
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1，2-Oxazol-3-ol 95%

1，2-Oxazol-3-ol 95%

O940594 / 100MG
CAS No.：5777-20-8
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2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

O940598 / 250MG
CAS No.：1243101-05-4
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2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

O940598 / 100MG
CAS No.：1243101-05-4
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2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

2-(4-Oxothieno[3，2-c]pyridin-5(4H)-yl)acetic acid 95%

O940598 / 1G
CAS No.：1243101-05-4
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[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

O940658 / 100MG
CAS No.：24294-89-1
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[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

O940658 / 250MG
CAS No.：24294-89-1
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[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

[1，2，5]Oxadiazolo[3，4-b]pyrazine-5，6(4H，7H)-dione 95%

O940658 / 1G
CAS No.：24294-89-1
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2-Oxoimidazolidine-4-carboxylic Acid 95%

2-Oxoimidazolidine-4-carboxylic Acid 95%

O940724 / 250MG
CAS No.：21277-16-7
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2-Oxoimidazolidine-4-carboxylic Acid 95%

2-Oxoimidazolidine-4-carboxylic Acid 95%

O940724 / 100MG
CAS No.：21277-16-7
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2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

O940726 / 100MG
CAS No.：1523606-41-8
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2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

O940726 / 250MG
CAS No.：1523606-41-8
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2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

2-Oxa-5-azabicyclo[2.2.2]octane hemioxalate 95%

O940726 / 1G
CAS No.：1523606-41-8
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Taipei Branch

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Telephone 03-494-6939
Fax 03-493-0687
Mail chungli@echochemical.com

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Telephone 037-621-088
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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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Telephone 07-753-9988
Fax 07-753-1958
Mail kaohsiung@echochemical.com
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