Displaying 55 results for tryptophan

Tryptophan - API

Tryptophan


  • Catalogue No.:PA 20 62000

  • CAS : 73-22-3

  • Molecular Formula : C11H12N2O2

  • Molecular Weight : 204.23

Tryptophan - Impurity A

1,1'-Ethylidenebistryptophan


  • Catalogue No.:PA 20 62010

  • CAS : 132685-02-0

  • Molecular Formula : C24H26N4O4

  • Molecular Weight : 434.49

Tryptophan - Impurity D

5-Hydroxy L-Tryptophan


  • Catalogue No.:PA 20 62040

  • CAS : 4350-09-8

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.22

Tryptophan - Impurity E

N-Formylkynurenine


  • Catalogue No.:PA 20 62050

  • CAS : 3978-11-8

  • Molecular Formula : C11H12N2O4

  • Molecular Weight : 236.22

Tryptophan - In house impurity

N-Acetyl-L-Tryptophan


  • Catalogue No.:PA 20 62510

  • CAS : 1218-34-4

  • Molecular Formula : C13H14N2O3

  • Molecular Weight : 246.26

Tryptophan - In house impurity

7-Methyl Tryptophol


  • Catalogue No.:PA 20 62520

  • CAS : 39232-85-4

  • Molecular Formula : C11H13NO

  • Molecular Weight : 175.23

Tryptophan - In house impurity

N-Acetyl 6-Chlorotryptophan


  • Catalogue No.:PA 20 62530

  • CAS : 50517-10-7

  • Molecular Formula : C13H13ClN2O3

  • Molecular Weight : 280.71

Tryptophan - In house impurity

N-Acetyl-6-chloro-D-tryptophan


  • Catalogue No.:PA 20 62540

  • CAS : 56777-76-5

  • Molecular Formula :  C13H13ClN2O3

  • Molecular Weight :  280.71

Tryptophan - In house impurity

4-Benzyloxyindole


  • Catalogue No.:PA 20 62550

  • CAS : 20289-26-3

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

Tryptophan - In house impurity

6-Benzyloxyindole


  • Catalogue No.:PA 20 62560

  • CAS : 15903-94-3

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

Tryptophan - In house impurity

7-Benzyloxyindole


  • Catalogue No.:PA 20 62570

  • CAS : 20289-27-4

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

Tryptophan - In house impurity

5-Benzyloxyindole-3-carboxaldehyde


  • Catalogue No.:PA 20 62580

  • CAS : 6953-22-6

  • Molecular Formula : C16H13NO2

  • Molecular Weight : 251.28

Tryptophan - In house impurity

5-Benzyloxyindole


  • Catalogue No.:PA 20 62590

  • CAS : 1215-59-4

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

Tryptophan - In house impurity

2-(6-Benzyloxyindolyl)acetonitrile


  • Catalogue No.:PA 20 62600

  • CAS : 57765-24-9

  • Molecular Formula : C17H14N2O

  • Molecular Weight : 262.31

Tryptophan - In house impurity

4-Benzyloxyindole-3-acetonitrile


  • Catalogue No.:PA 20 62610

  • CAS : 1464-11-5

  • Molecular Formula : C17H14N2O

  • Molecular Weight : 262.31

Tryptophan - In house impurity

4-Benzyloxygramine


  • Catalogue No.:PA 20 62620

  • CAS : 13523-95-0

  • Molecular Formula : C18H20N2O

  • Molecular Weight : 280.36

Tryptophan - In house impurity

6-Benzyloxygramine


  • Catalogue No.:PA 20 62630

  • CAS : 57765-22-7

  • Molecular Formula : C18H20N2O

  • Molecular Weight : 280.36

Tryptophan - In house impurity

7-Benzyloxygramine


  • Catalogue No.:PA 20 62640

  • CAS : 94067-27-3

  • Molecular Formula : C18N20N2O

  • Molecular Weight : 280.36

Tryptophan - In house impurity

2-(6-Benzyloxyindolyl)ethylamine Hemisulfate


  • Catalogue No.:PA 20 62650

  • CAS : 31677-74-4

  • Molecular Formula : C17H18N2O• 1/2H2SO4

  • Molecular Weight : 315.38

Tryptophan - In house impurity

2-(4-Benzyloxy-indol-3-yl)ethanamine Hemisulfate Salt


  • Catalogue No.:PA 20 62660

  • CAS : NA

  • Molecular Formula : C17H18N2O•1/2H2SO4

  • Molecular Weight : 315.38

Tryptophan - In house impurity

(7'-Benzyloxy-indolymethyl)formamido-malonic Diethyl Ester


  • Catalogue No.:PA 20 62670

  • CAS : 1076198-99-6

  • Molecular Formula : C24H26N2O6

  • Molecular Weight : 438.47

Tryptophan - In house impurity

5-Hydroxytryptoline


  • Catalogue No.:PA 20 62680

  • CAS : 23778-34-9

  • Molecular Formula : C11H12N2O

  • Molecular Weight : 188.23

Tryptophan - In house impurity

Indole-3-acetone


  • Catalogue No.:PA 20 62690

  • CAS : 1201-26-9

  • Molecular Formula : C11H11NO

  • Molecular Weight : 173.21

Tryptophan - In house impurity

5-Methyl-DL-tryptophan


  • Catalogue No.:PA 20 62700

  • CAS : 951-55-3

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.25

Tryptophan - In house impurity

3-Indolepropionic Acid


  • Catalogue No.:PA 20 62710

  • CAS : 830-96-6

  • Molecular Formula : C11H11NO2

  • Molecular Weight : 189.21

Tryptophan - In house impurity

DL-Tryptophan


  • Catalogue No.:PA 20 62720

  • CAS : 54-12-6

  • Molecular Formula : C11H12N2O2

  • Molecular Weight : 204.23

Tryptophan - In house impurity

Indole-3-pyruvic Acid


  • Catalogue No.:PA 20 62730

  • CAS : 392-12-1

  • Molecular Formula : C11H9NO3

  • Molecular Weight : 203.19

7-Hydroxy-1,2-dimethyl-9H-pyrido[3,4-b]indolium-d3 Iodide


  • Catalogue No.:PA D 48670

  • CAS : NA

  • Molecular Formula : C13H10D3IN2O

  • Molecular Weight : 343.18

Indole-d6


  • Catalogue No.:PA D 53000

  • CAS : 104959-27-5

  • Molecular Formula : C8HD6N

  • Molecular Weight : 123.18

5-Hydroxy L-Tryptophan-d4 (Major)


  • Catalogue No.:PA D 52010

  • CAS : 1246818-91-6

  • Molecular Formula : C11H8D4N2O3

  • Molecular Weight : 224.25

5-Hydroxy Tryptophol-d4


  • Catalogue No.:PA D 52020

  • CAS : 66640-87-7

  • Molecular Formula : C10H7D4NO2

  • Molecular Weight : 181.22

5-Hydroxy Tryptophol-d4 β-D-Glucuronide


  • Catalogue No.:PA D 52030

  • CAS : NA

  • Molecular Formula : C16H15D4NO8

  • Molecular Weight : 357.35

rac Kynurenine-13C2,15N


  • Catalogue No.:PA D 55330

  • CAS : 1391051-69-6

  • Molecular Formula : C813C2H12N15NO3

  • Molecular Weight : 211.19

2-(α-D-Mannopyranosyl)-L-tryptophan-d4


  • Catalogue No.:PA D 57710

  • CAS : NA

  • Molecular Formula : C17H18D4N2O7

  • Molecular Weight : 370.39

D,L-Tryptophan-13C2,15N


  • Catalogue No.:PA D 85960

  • CAS : 1357002-80-2

  • Molecular Formula : C913C2H12N15NO2

  • Molecular Weight : 207.2

D,L-Tryptophan-d3


  • Catalogue No.:PA D 86030

  • CAS : 340257-61-6

  • Molecular Formula : C11H9D3N2O2

  • Molecular Weight : 207.24

D-Tryptophan-d5


  • Catalogue No.:PA D 86040

  • CAS : 1202359-57-6

  • Molecular Formula : C11H7D5N2O2

  • Molecular Weight : 209.26

L-Tryptophan-d5


  • Catalogue No.:PA D 86050

  • CAS : 62595-11-3

  • Molecular Formula : C11H7D5N2O2

  • Molecular Weight : 209.26

Tryptophan - In house impurity

α-Methyltryptophan


  • Catalogue No.:PA 20 62740

  • CAS : 13510-08-2 and 153-91-3

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.26

Tryptophan - In house impurity

5-Hydroxy-DL-tryptophan


  • Catalogue No.:PA 20 62750

  • CAS : 56-69-9

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

1,1'-Ethylidenebistryptophan (E2205500)


  • Catalogue No.:PA EP-E2205500

  • CAS : NA

  • Molecular Formula :

  • Molecular Weight :

Tryptophan (T2610000)


  • Catalogue No.:PA EP-T2610000

  • CAS : NA

  • Molecular Formula :

  • Molecular Weight :

5-Hydroxy-L-tryptophan (1329913)


  • Catalogue No.:PA USP-1329913

  • CAS : 4350-09-8

  • Molecular Formula :

  • Molecular Weight :

L-Tryptophan (1700501)


  • Catalogue No.:PA USP-1700501

  • CAS : 73-22-3

  • Molecular Formula :

  • Molecular Weight :

Tryptophan Related Compound A (1,1'-ethylidene-bis(L-tryptophan)) (1700512)


  • Catalogue No.:PA USP-1700512

  • CAS : 132685-02-0

  • Molecular Formula :

  • Molecular Weight :

Tryptophan Related Compound B (N-Acetyl-L-Tryptophan) (1700523)


  • Catalogue No.:PA USP-1700523

  • CAS : 1218-34-4

  • Molecular Formula :

  • Molecular Weight :

Tryptophan - Impurity B

Dioxyindolylalanine


  • Catalogue No.:PA 20 62020

  • CAS : 184955-21-3

  • Molecular Formula : C11H12N2O4

  • Molecular Weight : 236.23

Tryptophan - Impurity C

Kynurenine


  • Catalogue No.:PA 20 62030

  • CAS : 2922-83-0

  • Molecular Formula : C10H12N2O3

  • Molecular Weight : 208.22

Tryptophan - Impurity F

3-Phenylaminoalanine


  • Catalogue No.:PA 20 62060

  • CAS : 145545-23-9

  • Molecular Formula : C9H12N2O2

  • Molecular Weight : 180.21

Tryptophan - Impurity G

2-Hydroxytryptophan


  • Catalogue No.:PA 20 62070

  • CAS : NA

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

Tryptophan - Impurity H

(3RS)-1,2,3,4-Tetrahydro-9H-pyrido[3,4-b]indole-3-carboxylic Acid


  • Catalogue No.:PA 20 62080

  • CAS : 6052-68-2

  • Molecular Formula : C12H12N2O2

  • Molecular Weight : 216.24

Tryptophan - Impurity I

1-Methyl-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole-3-carboxylic Acid


  • Catalogue No.:PA 20 62090

  • CAS : 5470-37-1

  • Molecular Formula : C13H14N2O2

  • Molecular Weight : 230.27

Tryptophan - Impurity J

(2S)-2-Amino-3-[2-[2,3-dihydroxy-1-(1H-indol-3-yl)propyl]-1H-indol-3-yl]propanoic Acid


  • Catalogue No.:PA 20 62100

  • CAS : NA

  • Molecular Formula : C22H23N3O4

  • Molecular Weight : 393.44

Tryptophan - Impurity K

(2S)-2-Amino-3-[2-(1H-indol-3-ylmethyl)-1H-indol-3-yl]propanoic Acid


  • Catalogue No.:PA 20 62110

  • CAS : NA

  • Molecular Formula : C20H19N3O2

  • Molecular Weight : 333.39

Tryptophan - Impurity L

1-(1H-Indol-3-ylmethyl)-1,2,3,4-tetrahydro-9H-pyrido[3,4-b]indole-3-carboxylic Acid


  • Catalogue No.:PA 20 62120

  • CAS : NA

  • Molecular Formula : C21H19N3O2

  • Molecular Weight : 345.4