Tryptophan-impurities | Pharmaffiliates

tryptophan

Tryptophan is used in the biosynthesis of proteins. It is a precursor of serotonin. It can be a precursor to niacin, albeit inefficiently, in mammals.Reference standards of Tryptophan API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

PA 20 62530

N-Acetyl 6-Chlorotryptophan


  • Catalogue No.:PA 20 62530

  • CAS :

    50517-10-7

  • Molecular Formula : C13H13ClN2O3

  • Molecular Weight : 280.71

PA 20 62540

N-Acetyl-6-chloro-D-tryptophan


  • Catalogue No.:PA 20 62540

  • CAS :

    56777-76-5

  • Molecular Formula :  C13H13ClN2O3

  • Molecular Weight :  280.71

PA 20 62550

4-Benzyloxyindole


  • Catalogue No.:PA 20 62550

  • CAS :

    20289-26-3

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

PA 20 62560

6-Benzyloxyindole


  • Catalogue No.:PA 20 62560

  • CAS :

    15903-94-3

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

PA 20 62570

7-Benzyloxyindole


  • Catalogue No.:PA 20 62570

  • CAS :

    20289-27-4

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

PA 20 62590

5-Benzyloxyindole


  • Catalogue No.:PA 20 62590

  • CAS :

    1215-59-4

  • Molecular Formula : C15H13NO

  • Molecular Weight : 223.27

PA 20 62600

2-(6-Benzyloxyindolyl)acetonitrile


  • Catalogue No.:PA 20 62600

  • CAS :

    57765-24-9

  • Molecular Formula : C17H14N2O

  • Molecular Weight : 262.31

PA 20 62630

6-Benzyloxygramine


  • Catalogue No.:PA 20 62630

  • CAS :

    57765-22-7

  • Molecular Formula : C18H20N2O

  • Molecular Weight : 280.36

PA 20 62650

2-(6-Benzyloxyindolyl)ethylamine Hemisulfate


  • Catalogue No.:PA 20 62650

  • CAS :

    31677-74-4

  • Molecular Formula : C17H18N2O•1/2H2SO4

  • Molecular Weight : 315.38

PA 20 62660

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

PA 20 62670

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


  • Catalogue No.:PA 20 62670

  • CAS :

    1076198-99-6

  • Molecular Formula : C24H26N2O6

  • Molecular Weight : 438.47

PA STI 048670

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


  • Catalogue No.:PA STI 048670

  • CAS :

    NA

  • Molecular Formula : C13H10D3IN2O

  • Molecular Weight : 343.18

PA STI 085960

D,L-Tryptophan-13C2,15N


  • Catalogue No.:PA STI 085960

  • CAS :

    1357002-80-2

  • Molecular Formula : C913C2H12N15NO2

  • Molecular Weight : 207.20

PA STI 086040

D-Tryptophan-d5


  • Catalogue No.:PA STI 086040

  • CAS :

    1202359-57-6

  • Molecular Formula : C11H7D5N2O2

  • Molecular Weight : 209.26

PA 20 62760

D-Tryptophan 1,1-Dimethylethyl Ester Hydrochloride


  • Catalogue No.:PA 20 62760

  • CAS :

    375792-97-5

  • Molecular Formula : C15H21ClN2O2

  • Molecular Weight : 296.79

PA 20 62780

D-Tryptophan


  • Catalogue No.:PA 20 62780

  • CAS :

    153-94-6

  • Molecular Formula : C11H12N2O2

  • Molecular Weight : 204.22