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Chemical materials

Roflumilast Impurity 20

ULR3729 /

CAS No.：2407572-31-8

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Roflumilast N-Oxide

ULR373 /

CAS No.：292135-78-5

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Roflumilast Impurity 21

ULR3730 /

CAS No.：2376345-94-5

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Roflumilast Impurity 22

ULR3731 /

CAS No.：162401-60-7

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Roflumilast Impurity 1

ULR374 /

CAS No.：162401-43-6

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Roflumilast Impurity 2

ULR375 /

CAS No.：1391052-76-8

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Roflumilast Impurity 3

ULR376 /

CAS No.：1391052-24-6

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Roflumilast Impurity 4

ULR377 /

CAS No.：162401-30-1

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Roflumilast Impurity 5

ULR378 /

CAS No.：475271-62-6

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Roflumilast-d4 N-Oxide

ULR379 /

CAS No.：1794760-31-8

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Retinoic Acid (Tretinoin)

ULR381 /

CAS No.：302-79-4

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Hydroxypinacolone Retinoate

ULR3812 /

CAS No.：893412-73-2

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9-cis-13,14-Dihydro Retinoic Acid

ULR3813 /

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9-cis Retinyl Linoleate

ULR3814 /

CAS No.：79299-81-3

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5,6-Dihydro-5,6-Dihydroxy Retinoic Acid

ULR3815 /

CAS No.：73341-58-9

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4-Oxo-9,13-di-cis-Retinoic Acid-13C-d3

ULR3816 /

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4-Oxo-9,13-di-cis-Retinoic Acid

ULR3817 /

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9,13-Di-cis-Retinoic Acid-13C-d3

ULR3818 /

CAS No.：5352-74-9 (non-d)

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9-cis-13,14-Dihydroretinoic Acid-d5

ULR3819 /

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all-trans Retinoic acid-d5

ULR382 /

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9-cis-retinyl linoleate-d5

ULR3820 /

CAS No.：79299-81-3(non-d)

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all-trans Retinoic Acid Methyl Ester

ULR3821 /

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Retinoic Acid Related Compound 1

ULR3822 /

CAS No.：40835-18-5

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Retinoic Acid Related Compound 2

ULR3823 /

CAS No.：61976-15-6

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9-cis Retinoic Acid Ethyl Ester

ULR3824 /

CAS No.：86708-67-0

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Retinoic Acid Related Compound 3

ULR3825 /

CAS No.：74479-68-8

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Hydroxypinacolone Retinoate-d5

ULR3826 /

CAS No.：893412-73-2 (non-labelled)

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18-Hydroxy-all-trans-Retinoic Acid

ULR3827 /

CAS No.：63531-93-1

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Retinoic Acid Related Compound 4

ULR3828 /

CAS No.：352199-94-1

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Retinoic Acid Ethyl Ester

ULR3829 /

CAS No.：3899-20-5

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9-cis Retinoic acid

ULR383 /

CAS No.：5300-03-8

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Retinoic Acid Related Compound 5

ULR3830 /

CAS No.：53282-28-3

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Retinoic Acid Related Compound 6

ULR3831 /

CAS No.：66939-98-8

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Retinoic Acid Related Compound 7

ULR3832 /

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9,11-di-cis-Retinoic Acid

ULR3833 /

CAS No.：173326-85-7

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Retinoic Acid Related Compound 9

ULR3834 /

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Retinoic Acid Related Compound 10

ULR3835 /

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Retinoic Acid Related Compound 11

ULR3836 /

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Retinoic Acid Related Compound 12

ULR3837 /

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Retinoic Acid Related Compound 13

ULR3838 /

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Retinoic Acid Related Compound 14

ULR3839 /

CAS No.：49816-69-5

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9-cis Retinoic acid-d5

ULR384 /

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Retinoic Acid Related Compound 15

ULR3840 /

CAS No.：69551-41-3

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Retinoic Acid Related Compound 16

ULR3841 /

CAS No.：29443-87-6

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Retinoic Acid Related Compound 17

ULR3842 /

CAS No.：34356-31-5

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Pyridinium Bisretinoid A2E

ULR3843 /

CAS No.：173449-96-2

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Pyridinium Bisretinoid A2E-d4

ULR3844 /

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Retinoic Acid Related Compound 18

ULR3845 /

CAS No.：66879-88-7

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4-Keto-9-cis Retinoic acid-d3

ULR387 /

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4-Keto-9-cis Retinoic acid methyl ester

ULR388 /

CAS No.：163955-59-7

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Taipei, New Taipei, Keelung / Yilan / Hualien
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Mail taipei@echochemical.com

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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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