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Chemical materials

Tryptophan EP Impurity H

ULT2011 /

CAS No.：6052-68-2

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Tryptophan EP Impurity I

ULT2012 /

CAS No.：5470-37-1

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Tryptophan EP Impurity J

ULT2013 /

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rac-Tryptophan EP Impurity K

ULT2014 /

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Tryptophan EP Impurity L Lithium Salt (Mixture of Diastereomers)

ULT2015 /

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D-Tryptophan

ULT2016 /

CAS No.：153-94-6

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Tryptophan

ULT2017 /

CAS No.：73-22-3

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D-Tryptophan acylchloride HCl Salt

ULT2018 /

CAS No.：765229-74-1 (free base)

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Tryptophan Related Compound B ( N-Acetyl-L-Tryptophan)

ULT2019 /

CAS No.：1218-34-4

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Tryptophan EP Impurity D

ULT202 /

CAS No.：4350-09-8

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Tryptophan Impurity 2

ULT2020 /

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Tiafenacil

ULT202001 /

CAS No.：1220411-29-9

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FMOC-hydroxymethyl-D-tryptophan

ULT2021 /

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Tryptophan Impurity 3

ULT2022 /

CAS No.：1421362-36-8

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Tryptophan Impurity 4 (L-Tryptophan Methyl Ester)

ULT2023 /

CAS No.：7524-52-9

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Tryptophan Impurity 5 (N-Acetyl-D-Tryptophan)

ULT2024 /

CAS No.：2280-01-5

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Tryptophan Impurity 6

ULT2025 /

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4-Benzyloxyindole

ULT2027 /

CAS No.：20289-26-3

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rac-Tryptophan EP Impurity G HCl

ULT203 /

CAS No.：95579-00-3

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N,N-Dimethyl-L-Tryptophan

ULT2030 /

CAS No.：2812-40-0

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Thiometon

ULT203001 /

CAS No.：640-15-3

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Hypaphorine

ULT2031 /

CAS No.：487-58-1

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Hypaphorine-d9

ULT2032 /

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Tryptophan-d5

ULT2033 /

CAS No.：62595-11-3

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Tryptophan Impurity 7

ULT2034 /

CAS No.：17952-87-3

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Tryptophan-4,5-Dione

ULT2035 /

CAS No.：129784-88-9

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1-Nitroso Tryptophan

ULT2036 /

CAS No.：68807-89-6

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1-Nitroso-D-Tryptophan

ULT2037 /

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N-Nitroso D-Tryptophan Methyl Ester

ULT2038 /

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Tryptophan Impurity 8

ULT2039 /

CAS No.：2306500-72-9

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Tryptophan EP Impurity B (Mixture of Diastereomers)

ULT204 /

CAS No.：184955-21-3

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Tryptophan Impurity 9

ULT2040 /

CAS No.：29702-35-0

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Tenonitrozole

ULT204001 /

CAS No.：3810-35-3

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Tenonitrozole-d3

ULT204002 /

CAS No.：3810-35-3 (non-d)

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Tryptophan Impurity 10

ULT2041 /

CAS No.：75917-16-7

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Tryptophan EP Impurity G HCl

ULT2042 /

CAS No.：881025-90-7

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Tryptophan Impurity 11

ULT2043 /

CAS No.：2410850-77-8

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Tryptophan Impurity 12 HCl

ULT2044 /

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Tryptophan Impurity 13

ULT2045 /

CAS No.：2651971-22-9

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Tryptophan Impurity 14

ULT2046 /

CAS No.：2055155-50-3

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Tryptophan Impurity 15

ULT2047 /

CAS No.：192180-81-7

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Tryptophan Impurity 16

ULT2048 /

CAS No.：192180-80-6

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Tryptophan EP Impurity E

ULT205 /

CAS No.：3978-11-8

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Thymomodulin

ULT205001 /

CAS No.：90803-92-2

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5-Hydroxy-D,L-Tryptophan-d4

ULT206 /

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Tulobuterol Impurity 1

ULT206001 /

CAS No.：5000-66-8

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Tulobuterol Impurity 2

ULT206002 /

CAS No.：72702-57-9

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Tulobuterol Impurity 3

ULT206003 /

CAS No.：34356-83-7

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Tulobuterol Impurity 4

ULT206004 /

CAS No.：179749-59-8

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Tulobuterol

ULT206005 /

CAS No.：41570-61-0

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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

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Telephone 07-753-9988

Fax 07-753-1958

Mail kaohsiung@echochemical.com

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