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Chemical materials

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

D935967 / 50MG
CAS No.：1802908-02-6
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3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

D935967 / 25MG
CAS No.：1802908-02-6
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3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(2-(2-(2-(2-(4-(6-methyl-1，2，4，5-tetrazin-3-yl)phenoxy)ethoxy)ethoxy)ethoxy)ethyl)propanamide 98%

D935967 / 10MG
CAS No.：1802908-02-6
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2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

D935978 / 5G
CAS No.：2512228-06-5
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2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

D935978 / 1G
CAS No.：2512228-06-5
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2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

2，5-Dioxopyrrolidin-1-yl 3-(2-(prop-2-yn-1-yloxy)ethoxy)propanoate ≥96%

D935978 / 250MG
CAS No.：2512228-06-5
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DBCO-PEG4-triethoxysilane ≥95%

DBCO-PEG4-triethoxysilane ≥95%

D935987 / 1MG
CAS No.：2353410-02-1
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DSPE-PEG8-Mal 95%

DSPE-PEG8-Mal 95%

D935989 / 100MG
CAS No.：2112737-94-5
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3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

D936000 / 250MG
CAS No.：1609651-90-2
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3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

D936000 / 100MG
CAS No.：1609651-90-2
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3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

3-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-N-(3，6，9，12-tetraoxapentadec-14-yn-1-yl)propanamide 97%

D936000 / 1G
CAS No.：1609651-90-2
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1-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13，16，19，22，25-heptaoxa-4-azaoctacosan-28-oic acid 95%

1-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13，16，19，22，25-heptaoxa-4-azaoctacosan-28-oic acid 95%

D936003 / 250MG
CAS No.：2112731-42-5
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1-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13，16，19，22，25-heptaoxa-4-azaoctacosan-28-oic acid 95%

1-(2，5-Dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13，16，19，22，25-heptaoxa-4-azaoctacosan-28-oic acid 95%

D936003 / 1G
CAS No.：2112731-42-5
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2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

D936006 / 1G
CAS No.：858126-78-0
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2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

D936006 / 25MG
CAS No.：858126-78-0
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2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

2，5-Dioxopyrrolidin-1-yl 1-((2，4-dinitrophenyl)amino)-3，6，9，12-tetraoxapentadecan-15-oate 98%

D936006 / 100MG
CAS No.：858126-78-0
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DSPE-PEG2-mal 95%

DSPE-PEG2-mal 95%

D936016 / 100MG
CAS No.：1915739-87-5
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DSPE-PEG2-mal 95%

DSPE-PEG2-mal 95%

D936016 / 500MG
CAS No.：1915739-87-5
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2，5，8，11，14，17，20，23，26，29-Decaoxahentriacontane-31-thiol ≥95%

2，5，8，11，14，17，20，23，26，29-Decaoxahentriacontane-31-thiol ≥95%

D936021 / 1G
CAS No.：651042-85-2
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2，5-Dioxopyrrolidin-1-yl 1-(9H-fluoren-9-yl)-3-oxo-2，7，10，13，16，19，22，25，28，31，34，37，40-tridecaoxa-4-azatritetracontan-43-oate ≥98%

2，5-Dioxopyrrolidin-1-yl 1-(9H-fluoren-9-yl)-3-oxo-2，7，10，13，16，19，22，25，28，31，34，37，40-tridecaoxa-4-azatritetracontan-43-oate ≥98%

D936037 / 1G
CAS No.：2227246-92-4
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DBCO-PEG2-amine ≥95%

DBCO-PEG2-amine ≥95%

D936040 / 1G
CAS No.：2250216-96-5
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DBCO-PEG2-amine ≥95%

DBCO-PEG2-amine ≥95%

D936040 / 25MG
CAS No.：2250216-96-5
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DBCO-PEG2-amine ≥95%

DBCO-PEG2-amine ≥95%

D936040 / 250MG
CAS No.：2250216-96-5
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DBCO-PEG2-amine ≥95%

DBCO-PEG2-amine ≥95%

D936040 / 100MG
CAS No.：2250216-96-5
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Dspe-peg4-dbco 95%

Dspe-peg4-dbco 95%

D936048 / 100MG
CAS No.：2112738-14-2
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Desthiobiotin-peg4-alkyne 95%

Desthiobiotin-peg4-alkyne 95%

D936055 / 1G
CAS No.：1951424-89-7
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DNP-peg4-alcohol 95%

DNP-peg4-alcohol 95%

D936062 / 1G
CAS No.：1807520-99-5
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2，5-Dioxopyrrolidin-1-yl 41-oxo-45-((3aS，4S，6aR)-2-oxohexahydro-1H-thieno[3，4-d]imidazol-4-yl)-4，7，10，13，16，19，22，25，28，31，34，37-dodecaoxa-40-azapentatetracontan-1-oate 98%

2，5-Dioxopyrrolidin-1-yl 41-oxo-45-((3aS，4S，6aR)-2-oxohexahydro-1H-thieno[3，4-d]imidazol-4-yl)-4，7，10，13，16，19，22，25，28，31，34，37-dodecaoxa-40-azapentatetracontan-1-oate 98%

D936063 / 50MG
CAS No.：1934296-88-4
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2，5-Dioxopyrrolidin-1-yl 41-oxo-45-((3aS，4S，6aR)-2-oxohexahydro-1H-thieno[3，4-d]imidazol-4-yl)-4，7，10，13，16，19，22，25，28，31，34，37-dodecaoxa-40-azapentatetracontan-1-oate 98%

2，5-Dioxopyrrolidin-1-yl 41-oxo-45-((3aS，4S，6aR)-2-oxohexahydro-1H-thieno[3，4-d]imidazol-4-yl)-4，7，10，13，16，19，22，25，28，31，34，37-dodecaoxa-40-azapentatetracontan-1-oate 98%

D936063 / 250MG
CAS No.：1934296-88-4
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2，5，8，11，14，17，20，23，26，29，32，35-Dodecaoxaheptatriacontane-37-thiol 95%

2，5，8，11，14，17，20，23，26，29，32，35-Dodecaoxaheptatriacontane-37-thiol 95%

D936080 / 1G
CAS No.：2413368-61-1
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2，5-Dioxopyrrolidin-1-yl 2-(2-(2-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)acetate 97%

2，5-Dioxopyrrolidin-1-yl 2-(2-(2-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)ethoxy)ethoxy)acetate 97%

D936083 / 100MG
CAS No.：329364-72-9
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Diketone-PEG4-PFP ester ≥95%

Diketone-PEG4-PFP ester ≥95%

D936104 / 100MG
CAS No.：2353409-84-2
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2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

D936111 / 250MG
CAS No.：1353011-95-6
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2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

D936111 / 1G
CAS No.：1353011-95-6
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2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

2，5-Dioxopyrrolidin-1-yl 1-chloro-2-oxo-6，9，12，15-tetraoxa-3-azaoctadecan-18-oate 95%

D936111 / 100MG
CAS No.：1353011-95-6
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3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

D936125 / 10G
CAS No.：17598-96-8
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3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

D936125 / 5G
CAS No.：17598-96-8
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3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

3，6，9，12，15，18，21，24，27，30，33，36-Dodecaoxaoctatriacontane-1，38-diol 95%

D936125 / 1G
CAS No.：17598-96-8
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DBCO-PEG1-NHS ester 98%

DBCO-PEG1-NHS ester 98%

D936154 / 25MG
CAS No.：2228857-34-7
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DBCO-PEG1-NHS ester 98%

DBCO-PEG1-NHS ester 98%

D936154 / 100MG
CAS No.：2228857-34-7
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DSPE-PEG5-propargyl ≥95%

DSPE-PEG5-propargyl ≥95%

D936199 / 100MG
CAS No.：2112737-93-4
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DBCO-PEG1-amine ≥95%

DBCO-PEG1-amine ≥95%

D936200 / 100MG
CAS No.：2364591-79-5
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DBCO-PEG2-NH-Boc 98%

DBCO-PEG2-NH-Boc 98%

D936211 / 100MG
CAS No.：2377004-08-3
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DBCO-PEG2-NH-Boc 98%

DBCO-PEG2-NH-Boc 98%

D936211 / 250MG
CAS No.：2377004-08-3
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DBCO-PEG2-NH-Boc 98%

DBCO-PEG2-NH-Boc 98%

D936211 / 50MG
CAS No.：2377004-08-3
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Dde Biotin-PEG4-azide  95%

Dde Biotin-PEG4-azide  95%

D936215 / 25MG
CAS No.：1802907-93-2
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Diethyl-[oxybis(2，1-ethanediyloxy-2，1-ethanediyl)]bis-phosphonate 95%

Diethyl-[oxybis(2，1-ethanediyloxy-2，1-ethanediyl)]bis-phosphonate 95%

D936236 / 1G
CAS No.：160625-24-1
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Dbco-peg5-nhs ester 97%

Dbco-peg5-nhs ester 97%

D936242 / 100MG
CAS No.：1378531-80-6
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2，5-Dioxopyrrolidin-1-yl 1-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13-trioxa-4-azahexadecan-16-oate 98%

2，5-Dioxopyrrolidin-1-yl 1-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13-trioxa-4-azahexadecan-16-oate 98%

D936247 / 100MG
CAS No.：2055353-77-8
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2，5-Dioxopyrrolidin-1-yl 1-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13-trioxa-4-azahexadecan-16-oate 98%

2，5-Dioxopyrrolidin-1-yl 1-(2，5-dioxo-2，5-dihydro-1H-pyrrol-1-yl)-3-oxo-7，10，13-trioxa-4-azahexadecan-16-oate 98%

D936247 / 250MG
CAS No.：2055353-77-8
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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
Fax 037-615-096
Mail miaoli@echochemical.com

Taichung Branch

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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

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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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