Inquiry Cart

Chemical materials

Theophylline EP Impurity B (Theophylline USP Related Compound B, Pentoxifylline EP Impurity B)

ULT6010 /

CAS No.：1076-22-8

Add to Inquiry

Theophylline-d6 (Dimenhydrinate EP Impurity A-d6, Diprophylline EP Impurity B-d6)

ULT6012 /

CAS No.：117490-39-8

Add to Inquiry

Theophylline Impurity 6

ULT6013 /

CAS No.：81781-90-0

Add to Inquiry

8-Benzyl Theophylline

ULT6014 /

CAS No.：2879-15-4

Add to Inquiry

Theophylline Impurity 7

ULT6015 /

CAS No.：60797-68-4

Add to Inquiry

Theophylline EP Impurity F-d6 (Theophylline-Ethylenediamine EP Impurity F-d6, Diprophylline EP Impurity C-d6, Etofylline-d6)

ULT6016 /

Add to Inquiry

Theophylline Impurity 8

ULT6017 /

CAS No.：5309-70-6

Add to Inquiry

Theophylline Impurity 9

ULT6018 /

CAS No.：42772-85-0

Add to Inquiry

Theophylline Impurity 10

ULT6019 /

CAS No.：40258-78-4

Add to Inquiry

Theophylline Impurity 11

ULT6020 /

CAS No.：24442-57-7

Add to Inquiry

Theophylline Impurity 12

ULT6021 /

Add to Inquiry

Theophylline-Ethylenediamine EP Impurity G (Caffeine EP Impurity D, Theobromine)

ULT6022 /

CAS No.：83-67-0

Add to Inquiry

Theophylline Impurity 13

ULT6023 /

Add to Inquiry

Theophylline Impurity 14

ULT6024 /

CAS No.：33120-34-2

Add to Inquiry

Theophylline Impurity 15

ULT6025 /

CAS No.：1798006-07-1

Add to Inquiry

Theophylline Impurity 16

ULT6026 /

Add to Inquiry

Theophylline Impurity 17

ULT6027 /

CAS No.：708-79-2

Add to Inquiry

Theophylline Impurity 18

ULT6028 /

CAS No.：2530-99-6

Add to Inquiry

Theophylline Impurity 19 (Mixture of Z and E Isomers)

ULT6029 /

CAS No.：29214-62-8

Add to Inquiry

Theophylline EP Impurity F (Theophylline-Ethylenediamine EP Impurity F, Diprophylline EP Impurity C, Etofylline)

ULT603 /

CAS No.：519-37-9

Add to Inquiry

Theophylline Impurity 20

ULT6030 /

Add to Inquiry

Theophylline Impurity 21

ULT6031 /

Add to Inquiry

Aminophylline

ULT6032 /

CAS No.：317-34-0

Add to Inquiry

Theophylline Impurity 1

ULT6033 /

Add to Inquiry

Theophylline Impurity 3

ULT6034 /

CAS No.：40012-14-4

Add to Inquiry

Theophylline EP Impurity D (Theophylline USP Related Compound D, Diprophylline EP Impurity A, Theophyllidine)

ULT6035 /

CAS No.：6736-40-9

Add to Inquiry

Theophylline EP Impurity D HCl (Theophylline USP Related Compound D HCl, Diprophylline EP Impurity A HCl, Theophyllidine HCl)

ULT6036 /

CAS No.：116131-08-9

Add to Inquiry

N-Nitroso Theophylline EP Impurity D

ULT6037 /

Add to Inquiry

Theophylline Impurity 22

ULT6038 /

CAS No.：55242-67-6

Add to Inquiry

N-Nitroso Theophylline

ULT6039 /

Add to Inquiry

Theophylline EP Impurity C

ULT604 /

CAS No.：7597-60-6

Add to Inquiry

Theophylline Impurity 23

ULT6040 /

Add to Inquiry

Theophylline Impurity 24

ULT6042 /

CAS No.：54965-57-0

Add to Inquiry

Dyphylline (Diprophylline)

ULT6043 /

CAS No.：479-18-5

Add to Inquiry

Proxyphylline

ULT6044 /

CAS No.：603-00-9

Add to Inquiry

Theophylline Impurity 25

ULT6045 /

Add to Inquiry

Theophylline Impurity 26

ULT6046 /

Add to Inquiry

N-Nitroso Aminophylline

ULT6047 /

Add to Inquiry

N-Nitroso Theophylline-Ethylenediamine EP Impurity G

ULT6048 /

Add to Inquiry

9-Aminotheophylline HCl

ULT6049 /

Add to Inquiry

Theophylline (Dimenhydrinate EP Impurity A, Diprophylline EP Impurity B)

ULT605 /

CAS No.：58-55-9

Add to Inquiry

Theobromine-d6

ULT6050 /

CAS No.：117490-40-1

Add to Inquiry

Dyphylline Impurity 1

ULT6051 /

Add to Inquiry

Dyphylline Impurity 2

ULT6052 /

CAS No.：93284-16-3

Add to Inquiry

N-Nitroso 8-Chlorotheophylline

ULT6053 /

Add to Inquiry

Theophylline EP Impurity E

ULT608 /

CAS No.：944-73-0

Add to Inquiry

Thiamphenicol-d3

ULT611 /

Add to Inquiry

Thiamphenicol Impurity 7 HCl

ULT6110 /

Add to Inquiry

Thiamphenicol Impurity 8 HCl

ULT6111 /

CAS No.：93839-90-8

Add to Inquiry

Thiamphenicol Impurity 9

ULT6112 /

CAS No.：19934-71-5

Add to Inquiry

LOCATIONS

Service location

Taipei, New Taipei, Keelung / Yilan / Hualien

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

Taipei Branch

Address 5th Floor, No. 10, Lane 50, Section 3, Nangang Road, Nangang District, Taipei City

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

mapNorth

mapTaoyuan

mapHsinchu

mapCentral

mapYunlin

mapSouth

Inquiry Cart

Inquiry Cart

Your inquiry Cart total 0 items

Inquiry Form

Product Search

Search general products Search Chemicals Search Chemical Substances (CAS)

In accordance with the EU General Data Protection Regulation, we are committed to protecting your personal data and providing you with control over your personal data.
By clicking "Accept All," you allow us to place cookies to enhance your experience on this website, help us analyze website performance and usage, and enable us to deliver relevant marketing content. You can manage your cookie settings below. Clicking "Confirm" means you agree to the current settings.

Manage Cookies

Privacy Preference Center

In accordance with the EU General Data Protection Regulation, we are committed to protecting your personal data and providing you with control over your personal data.
By clicking "Accept All," you allow us to place cookies to enhance your experience on this website, help us analyze website performance and usage, and enable us to deliver relevant marketing content. You can manage your cookie settings below. Clicking "Confirm" means you agree to the current settings.

View Privacy Policy

Manage Consent Settings

Necessary Cookies

Enable all

The operation of the website relies on these cookies, and you cannot disable them in the system. These cookies are usually set based on the actions you take (i.e., service requests), such as setting privacy preferences, logging in, or filling out forms. You can set your browser to block or prompt you about these cookies, but this may cause some website functions to stop working.