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Chemical materials

Levothyroxine acyl glucuronide

ULL4602 /

CAS No.：909880-81-5

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Levothyroxine phenolic glucuronide

ULL4603 /

CAS No.：21462-56-6

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Levothyroxine sulfate

ULL4604 /

CAS No.：77074-49-8

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rac-Levothyroxine Impurity 22

ULL4605 /

CAS No.：2512209-79-7

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Levothyroxine Related Compound 2

ULL4606 /

CAS No.：93647-48-4

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Levothyroxine Impurity 56 (N-Formyl-T4)

ULL4607 /

CAS No.：671235-41-9

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Levothyroxine Related Compound 4

ULL4608 /

CAS No.：176258-88-1

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Levothyroxine Related Compound 5

ULL4609 /

CAS No.：26041-51-0

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Levothyroxine EP Impurity I

ULL4611 /

CAS No.：2016-06-0

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Levothyroxine EP Impurity H

ULL4612 /

CAS No.：2055-97-2

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Levothyroxine Impurity 21

ULL4613 /

CAS No.：107849-54-7

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Levothyroxine EP Impurity F

ULL4614 /

CAS No.：911661-90-0

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Levothyroxine N-Methylamine

ULL4615 /

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N-Methylamide Levothyroxine

ULL4616 /

CAS No.：2088032-52-2

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3,5-Diiodo-L-tyrosine

ULL4617 /

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Levothyroxine Related Compound 6

ULL4618 /

CAS No.：153324-21-1

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Levothyroxine Related Compound 1 (N-Acetyl-3,5-Diiodo-L-Tyrosine)

ULL4619 /

CAS No.：1027-28-7

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Levothyroxine Related Compound 7

ULL4620 /

CAS No.：56460-41-4

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Bis(p-anisyl)iodonium bromide

ULL4621 /

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Levothyroxine Related Compound 8 (2-Acetamido-3-(3,5-diiodo-4-(4-methoxyphenoxy)phenyl) Propanoic Acid)

ULL4622 /

CAS No.：886203-79-8

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Levothyroxine Related Compound 9 (2-Amino-3(3-bromo-4-(4-hydroxyphenoxy)-5-iodophenyl)propanoic Acid

ULL4623 /

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Levothyroxine Related Compound 10

ULL4624 /

CAS No.：94345-95-6

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Levothyroxine Related Compound 11

ULL4625 /

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Levothyroxine EP Impurity B

ULL4626 /

CAS No.：1628720-66-0

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rac-Levothyroxine EP Impurity J (3,3'-DL-Diiodothyronine)

ULL4627 /

CAS No.：70-40-6

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Levothyroxine EP Impurity K (3,3',5'-Triiodo-L-Thyronine)

ULL4628 /

CAS No.：5817-39-0

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Levothyroxine Impurity 10

ULL4631 /

CAS No.：909279-46-5

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Levothyroxine-13C9-15N

ULL4632 /

CAS No.：1431868-11-9

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Levothyroxine Impurity 11

ULL4633 /

CAS No.：1155-40-4

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Levothyroxine Impurity 12

ULL4634 /

CAS No.：176258-89-2

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Levothyroxine Impurity 14

ULL4636 /

CAS No.：854646-83-6

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Levothyroxine Impurity 15

ULL4637 /

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Levothyroxine Impurity 16

ULL4638 /

CAS No.：3006-01-7

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Levothyroxine Impurity 17

ULL4639 /

CAS No.：3914-31-6

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Levothyroxine Impurity 18

ULL4640 /

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Levothyroxine Impurity 19

ULL4641 /

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Levothyroxine Impurity 20

ULL4642 /

CAS No.：2230724-39-5

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Levothyroxine Glucose Adduct

ULL4643 /

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Levothyroxine Lactose Adduct

ULL4644 /

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Levothyroxine Impurity 23

ULL4645 /

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Levothyroxine Impurity 24

ULL4646 /

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Levothyroxine Impurity 25

ULL4647 /

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Levothyroxine Impurity 26

ULL4648 /

CAS No.：2088032-78-2

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Levothyroxine Impurity 27

ULL4649 /

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Levothyroxine Impurity 28

ULL4650 /

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Levothyroxine Impurity 29

ULL4651 /

CAS No.：2055-94-9

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Levothyroxine Impurity 30 Sodium Salt

ULL4652 /

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Levothyroxine Impurity 31

ULL4653 /

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Levothyroxine Impurity 32

ULL4654 /

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Levothyroxine Impurity 33

ULL4655 /

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Taipei, New Taipei, Keelung / Yilan / Hualien
Taoyuan
Hsinchu County / Hsinchu City / Miaoli
Taichung/Changhua/Nantou
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Taipei Branch

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Telephone 02-2786-2331

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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

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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

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Telephone 07-753-9988

Fax 07-753-1958

Mail kaohsiung@echochemical.com

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