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Chemical materials

6-Demethyl Papaverine 2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester

6-Demethyl Papaverine 2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester

D231205 / 10MG
CAS No.：N/A
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6-Demethyl Papaverine 2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester

6-Demethyl Papaverine 2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester

D231205 / 1MG
CAS No.：N/A
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4'-Demethylpicropodophyllin

4'-Demethylpicropodophyllin

D231208 / 100MG
CAS No.：112066-16-7
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6-Demethyl Papaverine-d3 beta-D-Glucuronide

6-Demethyl Papaverine-d3 beta-D-Glucuronide

D231212 / 75MG
CAS No.：N/A
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De(methypiperazinyl) Sildenafil Dimer Impurity

De(methypiperazinyl) Sildenafil Dimer Impurity

D231215 / 25MG
CAS No.：1346603-48-2
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De(methypiperazinyl) Sildenafil Dimer Impurity

De(methypiperazinyl) Sildenafil Dimer Impurity

D231215 / 2.5MG
CAS No.：1346603-48-2
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4’-Demethylpodophyllotoxin

4’-Demethylpodophyllotoxin

D231218 / 100MG
CAS No.：40505-27-9
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rac N-Demethyl Promethazine Hydrochloride

rac N-Demethyl Promethazine Hydrochloride

D231220 / 25MG
CAS No.：60113-77-1
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rac N-Demethyl Promethazine Hydrochloride

rac N-Demethyl Promethazine Hydrochloride

D231220 / 100MG
CAS No.：60113-77-1
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rac N-Demethyl Promethazine Hydrochloride

rac N-Demethyl Promethazine Hydrochloride

D231220 / 250MG
CAS No.：60113-77-1
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rac N-Demethyl Promethazine-d3 Hydrochloride

rac N-Demethyl Promethazine-d3 Hydrochloride

D231222 / 2.5MG
CAS No.：1330173-19-7
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rac N-Demethyl Promethazine-d3 Hydrochloride

rac N-Demethyl Promethazine-d3 Hydrochloride

D231222 / 25MG
CAS No.：1330173-19-7
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Demethylpiperazinyl Sildenafil Sulfonic Acid

Demethylpiperazinyl Sildenafil Sulfonic Acid

D231235 / 500MG
CAS No.：1357931-55-5
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Demethylpiperazinyl Sildenafil Sulfonic Acid

Demethylpiperazinyl Sildenafil Sulfonic Acid

D231235 / 100MG
CAS No.：1357931-55-5
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Demethylpiperazinyl Sildenafil Sulfonic Acid

Demethylpiperazinyl Sildenafil Sulfonic Acid

D231235 / 25MG
CAS No.：1357931-55-5
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7-O-Demethyl Rapamycin (~80%)

7-O-Demethyl Rapamycin (~80%)

D231240 / 10MG
CAS No.：151519-50-5
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7-O-Demethyl Rapamycin (~80%)

7-O-Demethyl Rapamycin (~80%)

D231240 / 25MG
CAS No.：151519-50-5
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7-O-Demethyl Rapamycin (~80%)

7-O-Demethyl Rapamycin (~80%)

D231240 / 2.5MG
CAS No.：151519-50-5
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N-Demethyl Ricinine

N-Demethyl Ricinine

D231245 / 1G
CAS No.：N/A
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N-Demethyl Ricinine-13C3

N-Demethyl Ricinine-13C3

D231247 / 1MG
CAS No.：N/A
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N-Demethyl Ricinine-13C3

N-Demethyl Ricinine-13C3

D231247 / 10MG
CAS No.：N/A
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N-Demethyl Rifampicin

N-Demethyl Rifampicin

D231250 / 10MG
CAS No.：13292-45-0
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N-Demethyl Rifampicin

N-Demethyl Rifampicin

D231250 / 1MG
CAS No.：13292-45-0
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N-Demethyl Rifampicin

N-Demethyl Rifampicin

D231250 / 25MG
CAS No.：13292-45-0
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N-Demethyl Rifampicin-d8

N-Demethyl Rifampicin-d8

D231252 / 1MG
CAS No.：N/A
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N-Demethyl Rifampicin-d8

N-Demethyl Rifampicin-d8

D231252 / 10MG
CAS No.：N/A
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7-Demethylrobustigenin

7-Demethylrobustigenin

D231255 / 250MG
CAS No.：75340-02-2
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(E)-O-Demethylroxithromycin

(E)-O-Demethylroxithromycin

D231258 / 100MG
CAS No.：261172-58-1
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(E)-O-Demethylroxithromycin-d4

(E)-O-Demethylroxithromycin-d4

D231259 / 250MG
CAS No.：N/A
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Demethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic Acid

Demethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic Acid

D231260 / 250MG
CAS No.：1353018-10-6
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Demethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic Acid

Demethylpiperazinyl 7-Desoxo 7-Thioxosildenafil Sulfonic Acid

D231260 / 25MG
CAS No.：1353018-10-6
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N-Demethyl Roxithromycin

N-Demethyl Roxithromycin

D231265 / 10MG
CAS No.：118267-18-8
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N-Demethyl Roxithromycin

N-Demethyl Roxithromycin

D231265 / 25MG
CAS No.：118267-18-8
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N-Demethyl Roxithromycin

N-Demethyl Roxithromycin

D231265 / 5MG
CAS No.：118267-18-8
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N-Demethyl Roxithromycin-d7

N-Demethyl Roxithromycin-d7

D231267 / 5MG
CAS No.：N/A
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N-De[2-(methylsulfonyl)ethyl] Lapatinib

N-De[2-(methylsulfonyl)ethyl] Lapatinib

D231270 / 50MG
CAS No.：697299-82-4
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N-De[2-(methylsulfonyl)ethyl] Lapatinib

N-De[2-(methylsulfonyl)ethyl] Lapatinib

D231270 / 5MG
CAS No.：697299-82-4
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7-O-Demethyl a-Narcotine

7-O-Demethyl a-Narcotine

D231285 / 10MG
CAS No.：68353-55-9
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7-O-Demethyl a-Narcotine

7-O-Demethyl a-Narcotine

D231285 / 100MG
CAS No.：68353-55-9
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Demethyl Propionitrile Isradipine

Demethyl Propionitrile Isradipine

D231295 / 50MG
CAS No.：88977-31-5
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Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

D231300 / 25MG
CAS No.：139756-27-7
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Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

Demethylpiperazinyl Desethyl Sildenafil Sulfonyl Chloride

D231300 / 250MG
CAS No.：139756-27-7
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3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-Beta-D-glucuronide Methyl Ester)

3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-Beta-D-glucuronide Methyl Ester)

D231305 / 2MG
CAS No.：250662-47-6
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3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-Beta-D-glucuronide Methyl Ester)

3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-Beta-D-glucuronide Methyl Ester)

D231305 / 1MG
CAS No.：250662-47-6
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3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-beta-D-glucuronide Methyl Ester)

3-Demethyl Thiocolchicine 2-O-(2,3,4-Tri-O-acetyl-beta-D-glucuronide Methyl Ester)

D231305 / 5MG
CAS No.：250662-47-6
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3-Demethyl Thiocolchicine-d3 2-O-(2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester)

3-Demethyl Thiocolchicine-d3 2-O-(2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester)

D231307 / 2.5MG
CAS No.：N/A
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3-Demethyl Thiocolchicine-d3 2-O-(2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester)

3-Demethyl Thiocolchicine-d3 2-O-(2,3,4-Tri-O-acetyl-b-D-glucuronide Methyl Ester)

D231307 / 25MG
CAS No.：N/A
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rac-N-Desmethyl Bedaquiline

rac-N-Desmethyl Bedaquiline

D231310 / 1MG
CAS No.：654654-76-9
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rac-N-Desmethyl Bedaquiline

rac-N-Desmethyl Bedaquiline

D231310 / 10MG
CAS No.：654654-76-9
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rac-N-Desmethyl Bedaquiline-d6

rac-N-Desmethyl Bedaquiline-d6

D231312 / 75MG
CAS No.：N/A
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Taipei Branch

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Address 2nd Floor, No. 62, Fuxing Street, Pingzhen District, Taoyuan City
Telephone 03-494-6939
Fax 03-493-0687
Mail chungli@echochemical.com

Head Office / Zhumen Branch

Address No. 16, Gongye Road, Toufen City, Miaoli County
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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