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Chemical materials

Cholesterol Impurity 21

ULC5371 /
CAS No.：120200-37-5
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Cholesterol Impurity 22

ULC5372 /
CAS No.：104475-92-5
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Cholesterol Impurity 23

ULC5373 /
CAS No.：26654-79-5
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Cholesterol Impurity 24

ULC5374 /
CAS No.：26654-78-4
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Cholesterol Impurity 25

ULC5375 /
CAS No.：26358-75-8
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Cholesterol Impurity 26

ULC5376 /
CAS No.：63908-96-3
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Cholesterol Impurity 27

ULC5377 /
CAS No.：133587-03-8
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Cholesterol Impurity 28

ULC5378 /
CAS No.：70223-10-8
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Doristerol

ULC5379 /
CAS No.：566-99-4
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27-Carboxy 7-Ketocholesterol

ULC538 /
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Cholesterol Impurity 29

ULC5380 /
CAS No.：15073-00-4
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8-Dehydro Cholesterol

ULC5381 /
CAS No.：70741-38-7
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epi-Coprostanol

ULC5382 /
CAS No.：516-92-7
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Cholesterol Impurity 16-d7 (Lathosterol-d7)

ULC5383 /
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Cholesterol Impurity 30

ULC5384 /
CAS No.：1253-88-9
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Cholesterol Impurity 31

ULC5385 /
CAS No.：90344-02-8
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Cholesterol Impurity 32

ULC5386 /
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Cholesterol Impurity 33

ULC5387 /
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Cholesterol Impurity 34

ULC5388 /
CAS No.：16711-66-3
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Cholesterol Impurity 35

ULC5389 /
CAS No.：56871-54-6
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27-Carboxy 7-Ketocholesterol-d10

ULC539 /
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(20S)-Hydroxy Cholesterol

ULC5390 /
CAS No.：516-72-3
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4-beta-Hydroxy Cholesterol 4-Acetate

ULC5391 /
CAS No.：2515-18-6
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4-beta-Hydroxy Cholesterol 4-Acetate-d7

ULC5392 /
CAS No.：1363529-54-7
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(25R)-26-Hydroxy Cholestenon

ULC5393 /
CAS No.：56792-59-7
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Cholecalciferol EP Impurity B-d7 (3-beta-7-Dehydro Cholesterol-d7)

ULC5394 /
CAS No.：388622-58-0
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Thiocholesterol

ULC5395 /
CAS No.：1249-81-6
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Cholesterol Impurity 37

ULC5396 /
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Cholesterol Impurity 38

ULC5397 /
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Zymosterol

ULC5398 /
CAS No.：128-33-6
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(-)-Cotinine

ULC551 /
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(3R,5S)-3-Hydroxy Cotinine-d3

ULC5510 /
CAS No.：1311275-10-1
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Cotinine N-Glucuronide-d4

ULC5511 /
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trans-3'-Hydroxy Cotinine O-Glucuronide

ULC5512 /
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(S)-Norcotinine

ULC5513 /
CAS No.：5980-06-3
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5 -Hydroxycotinine

ULC5514 /
CAS No.：61192-50-5
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Cotinine Impurity 1

ULC5515 /
CAS No.：4192-31-8
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Cotinine Impurity 2

ULC5516 /
CAS No.：713-05-3
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Cotinine Impurity 3

ULC5517 /
CAS No.：61192-49-2
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5-Hydroxynorcotinine

ULC5518 /
CAS No.：118995-82-7
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Cotinine Impurity 4 Dicyclohexylamine Salt

ULC5519 /
CAS No.：1216491-66-5
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Norcotinine

ULC552 /
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N-methylcotininium Iodide

ULC5520 /
CAS No.：33952-07-7
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trans-3'-Hydroxy Cotinine-13C-d3 O-Glucuronide

ULC5521 /
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Norcotinine N-Oxide

ULC553 /
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Cotinine-d4

ULC554 /
CAS No.：350818-68-7
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Cotinine-d7

ULC555 /
CAS No.：15569-85-4 (non-labelled)
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(S)-Cotinine N-Oxide

ULC556 /
CAS No.：36508-80-2
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Cotinine N-glucuronide

ULC557 /
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Cotinine-d3

ULC558 /
CAS No.：110952-70-0
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Taipei Branch

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Telephone 02-2786-2331
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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

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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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