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Chemical materials

Levodopa Impurity 1 HCl

ULD3230 /

CAS No.：32404-28-7

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Dopamine Impurity 1

ULD3231 /

CAS No.：50673-96-6

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Dopamine Impurity 2

ULD3232 /

CAS No.：39816-35-8

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Dopamine Impurity 3

ULD3233 /

CAS No.：108074-44-8

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Dopamine Impurity 4

ULD3234 /

CAS No.：4230-93-7

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Dopamine Impurity 5

ULD3235 /

CAS No.：22568-51-0

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Dopamine Impurity 6

ULD3236 /

CAS No.：37630-20-9

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Dopamine Impurity 7

ULD3237 /

CAS No.：99-40-1

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Dopamine Impurity 8

ULD3238 /

CAS No.：103-49-1

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DL-dopaquinone

ULD3239 /

CAS No.：4430-97-1

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Methyldopa EP Impurity D HCl (Carbidopa Impurity 3 HCl)

ULD324 /

CAS No.：1369423-51-7

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Levodopa Impurity 2

ULD3240 /

CAS No.：55-59-4

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Levodopa Impurity 3

ULD3241 /

CAS No.：27313-65-1

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(R)-3-Methoxytyrosine

ULD3242 /

CAS No.：15402-76-3

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Methyldopa EP Impurity C HCl H2O

ULD3243 /

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Arterenone

ULD3244 /

CAS No.：499-61-6

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Methyldopa Impurity 1

ULD3245 /

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Methyldopa Impurity 2

ULD3246 /

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Dopamine Impurity 9

ULD3247 /

CAS No.：582-59-2

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Dopamine Impurity 10

ULD3248 /

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Dopamine Impurity 11

ULD3249 /

CAS No.：N/A

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Dopaquinone

ULD3250 /

CAS No.：25520-73-4

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D-Dopaquinone

ULD3251 /

CAS No.：663910-97-2

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Dopamine Impurity 12 (Dopaminechrome)

ULD3252 /

CAS No.：67992-45-4

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Dopamine Impurity 8-d10 (Dibenzylamine-d10)

ULD3253 /

CAS No.：923282-09-1

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Dopamine Impurity 13

ULD3254 /

CAS No.：500337-08-6

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Dopamine Impurity 14

ULD3255 /

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Dopamine Impurity 15

ULD3256 /

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Dopamine Impurity 16 HCl

ULD3257 /

CAS No.：79831-99-5

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Dopamine Impurity 17

ULD3258 /

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Dopamine Impurity 18

ULD3259 /

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Levodopa sulfate

ULD326 /

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Dopamine Impurity 19

ULD3260 /

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Dopamine Impurity 20

ULD3261 /

CAS No.：2228475-70-3

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Dopamine Impurity 21

ULD3262 /

CAS No.：2097441-90-0

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Dopamine-d3 HCl

ULD3263 /

CAS No.：53587-30-7

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Dopamine Impurity 22

ULD3264 /

CAS No.：3131-52-0

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Dopamine Impurity 23

ULD3265 /

CAS No.：15806-29-8

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Dopamine Impurity 24 HCl

ULD3266 /

CAS No.：3166-74-3

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Dopamine Impurity 25 HCl

ULD3267 /

CAS No.：3167-06-4

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3-O-methyl dopa glucuronide

ULD327 /

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Dopamine Impurity 29

ULD3271 /

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Dopamine Impurity 33

ULD3275 /

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Dopamine Impurity 34

ULD3276 /

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Dopamine Impurity 35

ULD3277 /

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Dopamine Impurity 36

ULD3278 /

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Dopamine Impurity 37

ULD3279 /

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Dopamine Impurity 38

ULD3280 /

CAS No.：720685-12-1

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Dopamine Impurity 39

ULD3281 /

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Dopamine Impurity 40

ULD3282 /

CAS No.：7417-21-2

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Taipei, New Taipei, Keelung / Yilan / Hualien
Taoyuan
Hsinchu County / Hsinchu City / Miaoli
Taichung/Changhua/Nantou
Yunlin/Chiayi/Tainan
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Taipei Branch

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Telephone 02-2786-2331

Fax 02-2653-6959

Mail taipei@echochemical.com

Taoyuan Branch

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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