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Chemical materials

3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

O678261 / 250MG
CAS No.：1354963-19-1
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3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

O678261 / 1G
CAS No.：1354963-19-1
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3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

3-Oxo-3， 5， 7， 8-tetrahydro-2H-pyrido[4， 3-c]pyridazine-6-carboxylic acid benzyl ester 95%

O678261 / 100MG
CAS No.：1354963-19-1
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5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

O678371 / 250MG
CAS No.：206055-72-3
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5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

O678371 / 100MG
CAS No.：206055-72-3
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5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

5′-O-[Bis(4-methoxyphenyl)phenylmethyl]-2′-O， 4′-C-methylene-N-(2-methyl-1-oxopropyl)guanosine 98%

O678371 / 1G
CAS No.：206055-72-3
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1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

O678395 / 5G
CAS No.：2615-11-4
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1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

O678395 / 250MG
CAS No.：2615-11-4
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1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

1， 1′-(Oxydi-4， 1-phenylene)bis[ethanone] 97%

O678395 / 1G
CAS No.：2615-11-4
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2， 2′-Oxybis[N， N-dipropylacetamide] 95%

2， 2′-Oxybis[N， N-dipropylacetamide] 95%

O678403 / 250MG
CAS No.：70277-09-7
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2， 2′-Oxybis[N， N-dipropylacetamide] 95%

2， 2′-Oxybis[N， N-dipropylacetamide] 95%

O678403 / 100MG
CAS No.：70277-09-7
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2， 2′-Oxybis[N， N-dipropylacetamide] 95%

2， 2′-Oxybis[N， N-dipropylacetamide] 95%

O678403 / 1G
CAS No.：70277-09-7
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o-(1， 1， 3， 3-tetramethylbutyl)phenol 95%

o-(1， 1， 3， 3-tetramethylbutyl)phenol 95%

O678772 / 1G
CAS No.：3884-95-5
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1-(2， 3， 4， 6-tetra-O-acetyl-β-D-mannopyranosyl)isatin 95%

1-(2， 3， 4， 6-tetra-O-acetyl-β-D-mannopyranosyl)isatin 95%

O678815 / 5G
CAS No.：913057-26-8
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1-(2， 3， 4， 6-tetra-O-acetyl-β-D-glucopyranosyl)-5-bromoindoline-2， 3-dione 95%

1-(2， 3， 4， 6-tetra-O-acetyl-β-D-glucopyranosyl)-5-bromoindoline-2， 3-dione 95%

O678830 / 5G
CAS No.：884496-44-0
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1-(oxiran-2-ylmethyl)indoline-2， 3-dione 95%

1-(oxiran-2-ylmethyl)indoline-2， 3-dione 95%

O678843 / 5G
CAS No.：82645-62-3
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1-(2， 3， 4， 6-tetra-O-benzyl-β-D-glucopyranosyl)indoline-2， 3-dione 95%

1-(2， 3， 4， 6-tetra-O-benzyl-β-D-glucopyranosyl)indoline-2， 3-dione 95%

O678866 / 5G
CAS No.：716379-95-2
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1-(2， 3， 4， 6-tetra-O-acetyl-β-D-glucopyranosyl)isatin 95%

1-(2， 3， 4， 6-tetra-O-acetyl-β-D-glucopyranosyl)isatin 95%

O678899 / 5G
CAS No.：53382-96-0
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5-(oxiran-2-yl)-2， 1， 3-benzoxadiazole 95%

5-(oxiran-2-yl)-2， 1， 3-benzoxadiazole 95%

O679259 / 5G
CAS No.：1255208-54-8
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1-octylindoline-2， 3-dione 95%

1-octylindoline-2， 3-dione 95%

O679309 / 5G
CAS No.：1037148-64-3
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3-[(4-ethenylphenyl)methyl]- 1， 2-Oxathiolane-2， 2-dioxide 95%

3-[(4-ethenylphenyl)methyl]- 1， 2-Oxathiolane-2， 2-dioxide 95%

O679537 / 100MG
CAS No.：2619674-67-6
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4， 6， 10， 12， 16， 18， 22， 24-octakis[(4-ethenylphenyl)methoxy]-2， 8， 14， 20-tetramethylpentacyclo[19.3.1.13， 7.19， 13.115， 19]octacosa-1(25)， 3， 5， 7(28)， 9， 11， 13(27)， 15， 17， 19(26)， 21， 23-dodecaene 95%

4， 6， 10， 12， 16， 18， 22， 24-octakis[(4-ethenylphenyl)methoxy]-2， 8， 14， 20-tetramethylpentacyclo[19.3.1.13， 7.19， 13.115， 19]octacosa-1(25)， 3， 5， 7(28)， 9， 11， 13(27)， 15， 17， 19(26)， 21， 23-dodecaene 95%

O679693 / 100MG
CAS No.：1578070-65-1
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1， 1′-[Oxybis(2， 1-ethanediyloxymethylene)]bis[4-ethenylbenzene] 95%

1， 1′-[Oxybis(2， 1-ethanediyloxymethylene)]bis[4-ethenylbenzene] 95%

O679815 / 100MG
CAS No.：122247-22-7
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3-Oxetanepropanol 95%

3-Oxetanepropanol 95%

O679895 / 100MG
CAS No.：251922-47-1
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3-oxo-3-(4-phenoxyphenyl)propanenitrile 97%

3-oxo-3-(4-phenoxyphenyl)propanenitrile 97%

O679905 / 1G
CAS No.：136562-77-1
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3-Oxetanecarboxylic acid， 3-(1-methylethyl)- 95%

3-Oxetanecarboxylic acid， 3-(1-methylethyl)- 95%

O679964 / 100MG
CAS No.：114012-39-4
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Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

O680020 / 1G
CAS No.：2803476-83-5
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Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

O680020 / 50MG
CAS No.：2803476-83-5
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Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

Octahydro-2，6-naphthyridin-1(2H)-one acetate 95%

O680020 / 100MG
CAS No.：2803476-83-5
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5，6-dichloro-1-(2，3，5-tri-O-acetyl-β-L-ribofuranosyl)benzimidazole 95%

5，6-dichloro-1-(2，3，5-tri-O-acetyl-β-L-ribofuranosyl)benzimidazole 95%

O680142 / 1G
CAS No.：176299-73-3
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benzoxazolyl 2，3，4，6-tetra-O-benzoyl-β-D-glucopyranoside 95%

benzoxazolyl 2，3，4，6-tetra-O-benzoyl-β-D-glucopyranoside 95%

O680729 / 1G
CAS No.：1443016-78-1
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O-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-alanyl)-N-(tert-butoxycarbonyl)-L-threonine 98%

O-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-alanyl)-N-(tert-butoxycarbonyl)-L-threonine 98%

O680926 / 250MG
CAS No.：909115-21-5
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O-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-alanyl)-N-(tert-butoxycarbonyl)-L-threonine 98%

O-((((9H-fluoren-9-yl)methoxy)carbonyl)-L-alanyl)-N-(tert-butoxycarbonyl)-L-threonine 98%

O680926 / 100MG
CAS No.：909115-21-5
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2-Oxo-2-[[4-(trifluoroMethyl)phenyl]aMino]acetic Acid 98%

2-Oxo-2-[[4-(trifluoroMethyl)phenyl]aMino]acetic Acid 98%

O680946 / 250MG
CAS No.：69066-42-8
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1-Oxa-2，8-diazaspiro[4.5]dec-2-ene-3-carboxylic acid hydrochloride 95%

1-Oxa-2，8-diazaspiro[4.5]dec-2-ene-3-carboxylic acid hydrochloride 95%

O681013 / 100MG
CAS No.：1797976-77-2
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Olotadine n-butyl ester hydrochloride 98%

Olotadine n-butyl ester hydrochloride 98%

O681089 / 100MG
CAS No.：1253179-74-6
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Olopatadine Isopropyl ester Hydrochloride 98%

Olopatadine Isopropyl ester Hydrochloride 98%

O681098 / 25MG
CAS No.：1206456-44-1
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Octapeptide-2 95%

Octapeptide-2 95%

O681134 / 50MG
CAS No.：1374396-34-5
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1，3，4-Oxadiazole-2-carboxylic acid 98%

1，3，4-Oxadiazole-2-carboxylic acid 98%

O681139 / 1G
CAS No.：944907-12-4
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2-amino-7-(2，3，5-tri-O-benzoyl-β-D-ribofuranosyl)pyrrolo[2，1-f][1，2，4]triazine 95%

2-amino-7-(2，3，5-tri-O-benzoyl-β-D-ribofuranosyl)pyrrolo[2，1-f][1，2，4]triazine 95%

O681416 / 1G
CAS No.：335593-88-9
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4-amino-7-(1′-formyl-2′，3′，5′-O-tribenzyl-β-D-ribofuranosyl)pyrrolo[2，1-f][1，2，4]triazine 95%

4-amino-7-(1′-formyl-2′，3′，5′-O-tribenzyl-β-D-ribofuranosyl)pyrrolo[2，1-f][1，2，4]triazine 95%

O681496 / 1G
CAS No.：2647443-71-6
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O1-tert-butyl O3-ethyl 4-[2-[(S)-benzyloxycarbonylamino(4，4-difluorocyclohexyl)methyl]imidazol[1，2-b]pyridazin-7-yl]-2，5-dihydropyrrole-1，3-dicarboxylate 95%

O1-tert-butyl O3-ethyl 4-[2-[(S)-benzyloxycarbonylamino(4，4-difluorocyclohexyl)methyl]imidazol[1，2-b]pyridazin-7-yl]-2，5-dihydropyrrole-1，3-dicarboxylate 95%

O682103 / 1G
CAS No.：2791432-82-9
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4-amino-7-(2，3，5-tri-O-acetyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2，3-d]pyrimidine-5-carboxylic acid 95%

4-amino-7-(2，3，5-tri-O-acetyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2，3-d]pyrimidine-5-carboxylic acid 95%

O682751 / 250MG
CAS No.：1214752-24-5
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4-chloro-5-fluoro-7-(2，3，5-tri-O-benzoyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2，3-d]pyrimidine 95%

4-chloro-5-fluoro-7-(2，3，5-tri-O-benzoyl-2-C-methyl-β-D-ribofuranosyl)-7H-pyrrolo[2，3-d]pyrimidine 95%

O682767 / 500MG
CAS No.：1338072-50-6
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2-amino-4-chloro-7-(2-deoxy-2-fluoro-3，5-di-O-benzoyl-β-D-arabinofuranosyl)pyrrolo<2，3-d>pyrimidine 95%

2-amino-4-chloro-7-(2-deoxy-2-fluoro-3，5-di-O-benzoyl-β-D-arabinofuranosyl)pyrrolo<2，3-d>pyrimidine 95%

O682775 / 1G
CAS No.：170468-33-4
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2'，3'，5'-tri-O-benzoyl-6-ethyl-9-β-D-ribofuranosyl-7-deazapurine 95%

2'，3'，5'-tri-O-benzoyl-6-ethyl-9-β-D-ribofuranosyl-7-deazapurine 95%

O682815 / 250MG
CAS No.：2407570-17-4
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4-chloro-7-(2-deoxy-3，5-di-O-benzoyl-β-D-arabinofuranosyl)-5-fluoro-7H-pyrrolo[2，3-d]pyrimidine 95%

4-chloro-7-(2-deoxy-3，5-di-O-benzoyl-β-D-arabinofuranosyl)-5-fluoro-7H-pyrrolo[2，3-d]pyrimidine 95%

O682861 / 1G
CAS No.：909101-46-8
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5-bromo-4-chloro-2-(pivaloylamino)-7-[(2，3，5-tri-O-benzoyl)-β-D-ribofuranosyl]-7H-pyrrolo[2，3-d]pyrimidine 95%

5-bromo-4-chloro-2-(pivaloylamino)-7-[(2，3，5-tri-O-benzoyl)-β-D-ribofuranosyl]-7H-pyrrolo[2，3-d]pyrimidine 95%

O682863 / 250MG
CAS No.：873792-66-6
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chloro-7-[2-deoxy-3，5-di-O-(4-toluoyl)-β-D-erythro-pentofuranosyl]-5-iodo-2-pivaloylamino-7H-pyrrolo[2，3-d]pyrimidine 95%

chloro-7-[2-deoxy-3，5-di-O-(4-toluoyl)-β-D-erythro-pentofuranosyl]-5-iodo-2-pivaloylamino-7H-pyrrolo[2，3-d]pyrimidine 95%

O682933 / 250MG
CAS No.：199938-73-3
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4-chloro-5-iodo-2-(pivaloylamino)-7-[(2，3，5-tri-O-benzoyl)-β-D-ribofuranosyl]-7H-pyrrolo[2，3-d]pyrimidine 95%

4-chloro-5-iodo-2-(pivaloylamino)-7-[(2，3，5-tri-O-benzoyl)-β-D-ribofuranosyl]-7H-pyrrolo[2，3-d]pyrimidine 95%

O682966 / 250MG
CAS No.：873792-67-7
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Mail chungli@echochemical.com

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Telephone 04-2472-8859
Fax 04-2472-8825
Mail taichung@echochemical.com

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Mail tainan@echochemical.com

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Fax 07-753-1958
Mail kaohsiung@echochemical.com
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