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Chemical materials

Ritonavir Impurity 12

ULR2729 /
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Ritonavir-d6

ULR273 /
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Ritonavir Impurity 13

ULR2730 /
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Ritonavir Impurity 14

ULR2731 /
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Ritonavir Impurity 15

ULR2732 /
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Ritonavir Impurity 16

ULR2733 /
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Ritonavir Impurity 17

ULR2734 /
CAS No.：38585-74-9
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N-[[N-Methyl-N-[(2-isopropyl]-4-thiazolyl)methyl)amino]carbonyl-L-valine Carboxylic Acid

ULR2735 /
CAS No.：154212-61-0
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Thiazolylmethyl-4-nitrophenylcarbonate

ULR2736 /
CAS No.：144163-97-3
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Ritonavir EP Impurity J

ULR2737 /
CAS No.：162849-95-8
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Ritonavir EP Impurity Q

ULR2738 /
CAS No.：1414933-82-6
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Ritonavir EP Impurity R

ULR2739 /
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Ritonavir EP Impurity E (Hydroxy Ritonavir)

ULR274 /
CAS No.：176655-56-4
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Ritonavir Impurity 18

ULR2740 /
CAS No.：176655-57-5
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Ritonavir Impurity 19

ULR2741 /
CAS No.：159005-61-5
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Ritonavir Impurity 20

ULR2742 /
CAS No.：144164-11-4
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Ritonavir Impurity 21

ULR2743 /
CAS No.：144142-33-6
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Ritonavir EP Impurity K

ULR2744 /
CAS No.：1010809-39-8
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Ritonavir Impurity 23

ULR2745 /
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Ritonavir Impurity 24

ULR2746 /
CAS No.：144163-85-9
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Ritonavir EP Impurity N

ULR2747 /
CAS No.：202816-62-4
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Ritonavir Impurity 25

ULR2748 /
CAS No.：2519851-81-9
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Ritonavir Impurity 26

ULR2749 /
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Ritonavir EP Impurity L

ULR275 /
CAS No.：256328-82-2
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Ritonavir Impurity 27

ULR2750 /
CAS No.：1177797-84-0
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Ritonavir Impurity 28

ULR2751 /
CAS No.：13515-65-6
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Ritonavir Impurity 29

ULR2752 /
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Ritonavir Impurity 30

ULR2753 /
CAS No.：1010809-50-3
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Ritonavir Impurity 31

ULR2754 /
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Ritonavir EP Impurity O

ULR276 /
CAS No.：1414933-81-5
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Ritonavir EP Impurity T

ULR277 /
CAS No.：869368-48-9
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Ritonavir EP Impurity G (Ritonavir Hydroperoxide)

ULR278 /
CAS No.：2034136-66-6
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Ritonavir Impurity

ULR279 /
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Rhein

ULR281 /
CAS No.：478-43-3
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Diacerein EP Impurity E (4-Acetyl Rhein)

ULR2810 /
CAS No.：875535-36-7
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Diacerein

ULR2811 /
CAS No.：13739-02-1
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Rhein-9-Anthrone

ULR2812 /
CAS No.：480-09-1
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Rhein Impurity 1

ULR2813 /
CAS No.：154658-30-7
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Rhein Impurity 2

ULR2814 /
CAS No.：65209-90-7
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Rhein-L-Arginine

ULR2815 /
CAS No.：1312695-01-4
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Rhein-13C4

ULR282 /
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Rhein Acyl Glucuronide

ULR283 /
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Rhein Ether Glucuronide

ULR284 /
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Rhein Mono-sulfate

ULR285 /
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Diacerein-d6

ULR286 /
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Monoacerein (5-Acetyl Rhein, Diacerein EP Impurity D)

ULR287 /
CAS No.：875535-35-6
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Diacerein EP Impurity F

ULR288 /
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Diacerein EP Impurity G

ULR289 /
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Rivaroxaban

ULR291 /
CAS No.：366789-02-8
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Rivaroxaban EP Impurity B (Rivaroxaban USP Related Compound B)

ULR2910 /
CAS No.：1429334-00-8
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  • Taipei, New Taipei, Keelung / Yilan / Hualien
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Taipei Branch

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Telephone 02-2786-2331
Fax 02-2653-6959
Mail taipei@echochemical.com

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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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