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.

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    [pname] => Tryptophan - Impurity D
    [catalogue_number] => PA 20 62040
    [category_ids] => ,79,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 220.22
    [form] => C11H12N2O3
    [cas] => 4350-09-8
    [pslug] => 4350-09-8-tryptophan-impurity-d-pa2062040
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PA 20 62040

Tryptophan - Impurity D


  • Catalogue No.:PA 20 62040

  • CAS :

    4350-09-8

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.22

stdClass Object
(
    [pname] => Tryptophan - Impurity E
    [catalogue_number] => PA 20 62050
    [category_ids] => ,80,79,71,75,78,70,82,
    [chemical_name] => 
    [weight] => 236.22
    [form] => C11H12N2O4
    [cas] => 3978-11-8
    [pslug] => 3978-11-8-tryptophan-impurity-e-pa2062050
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PA 20 62050

Tryptophan - Impurity E


  • Catalogue No.:PA 20 62050

  • CAS :

    3978-11-8

  • Molecular Formula : C11H12N2O4

  • Molecular Weight : 236.22

stdClass Object
(
    [pname] => 5-Hydroxy L-Tryptophan-d4 (Major)
    [catalogue_number] => PA STI 052010
    [category_ids] => ,79,71,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 224.25
    [form] => C11H8D4N2O3
    [cas] => 1246818-91-6
    [pslug] => 1246818-91-6-5-hydroxy-l-tryptophan-d4-major-pasti052010
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PA STI 052010

5-Hydroxy L-Tryptophan-d4 (Major)


  • Catalogue No.:PA STI 052010

  • CAS :

    1246818-91-6

  • Molecular Formula : C11H8D4N2O3

  • Molecular Weight : 224.25

stdClass Object
(
    [pname] => 5-Hydroxy Tryptophol-d4
    [catalogue_number] => PA STI 052020
    [category_ids] => ,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 181.22
    [form] => C10H7D4NO2
    [cas] => 66640-87-7
    [pslug] => 66640-87-7-5-hydroxy-tryptophol-d4-pasti052020
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PA STI 052020

5-Hydroxy Tryptophol-d4


  • Catalogue No.:PA STI 052020

  • CAS :

    66640-87-7

  • Molecular Formula : C10H7D4NO2

  • Molecular Weight : 181.22

stdClass Object
(
    [pname] => 5-Hydroxy Tryptophol-d4 β-D-Glucuronide
    [catalogue_number] => PA STI 052030
    [category_ids] => ,95,71,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 357.35
    [form] => C16H15D4NO8
    [cas] => NA
    [pslug] => 5-hydroxy-tryptophol-d4-beta-d-glucuronide-pasti052030
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PA STI 052030

5-Hydroxy Tryptophol-d4 β-D-Glucuronide


  • Catalogue No.:PA STI 052030

  • CAS :

    NA

  • Molecular Formula : C16H15D4NO8

  • Molecular Weight : 357.35

stdClass Object
(
    [pname] => rac Kynurenine-13C2,15N
    [catalogue_number] => PA STI 055330
    [category_ids] => ,98,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 211.19
    [form] => C813C2H12N15NO3
    [cas] => 1391051-69-6
    [pslug] => 1391051-69-6-rac-kynurenine-13c2-15n-pasti055330
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PA STI 055330

rac Kynurenine-13C2,15N


  • Catalogue No.:PA STI 055330

  • CAS :

    1391051-69-6

  • Molecular Formula : C813C2H12N15NO3

  • Molecular Weight : 211.19

stdClass Object
(
    [pname] => α-Methyltryptophan
    [catalogue_number] => PA 20 62740
    [category_ids] => ,70,75,78,80,82,
    [chemical_name] => 
    [weight] => 218.26
    [form] => C12H14N2O2
    [cas] => 153-91-3
    [pslug] => 153-91-3-alpha-methyltryptophan-pa2062740
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PA 20 62740

α-Methyltryptophan


  • Catalogue No.:PA 20 62740

  • CAS :

    153-91-3

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.26

stdClass Object
(
    [pname] => 5-Hydroxy-DL-tryptophan
    [catalogue_number] => PA 20 62750
    [category_ids] => ,79,71,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 220.23
    [form] => C11H12N2O3
    [cas] => 56-69-9
    [pslug] => 56-69-9-5-hydroxy-dl-tryptophan-pa2062750
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PA 20 62750

5-Hydroxy-DL-tryptophan


  • Catalogue No.:PA 20 62750

  • CAS :

    56-69-9

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

stdClass Object
(
    [pname] => Tryptophan - Impurity C
    [catalogue_number] => PA 20 62030
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 208.22
    [form] => C10H12N2O3
    [cas] => 2922-83-0
    [pslug] => 2922-83-0-tryptophan-impurity-c-pa2062030
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PA 20 62030

Tryptophan - Impurity C


  • Catalogue No.:PA 20 62030

  • CAS :

    2922-83-0

  • Molecular Formula : C10H12N2O3

  • Molecular Weight : 208.22

stdClass Object
(
    [pname] => 3α-Hydroxy-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-2-carboxylic Acid
    [catalogue_number] => PA 20 0621000
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 220.23
    [form] => C11H12N2O3
    [cas] => 35169-97-2
    [pslug] => 35169-97-2-3alpha-hydroxy-1-2-3-3a-8-8a-hexahydropyrrolo-2-3-b-indole-2-carboxylic-acid-pa200621000
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PA 20 0621000

3α-Hydroxy-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-2-carboxylic Acid


  • Catalogue No.:PA 20 0621000

  • CAS :

    35169-97-2

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

stdClass Object
(
    [pname] => Indolin-2-yl L-tryptophanate
    [catalogue_number] => PA 20 0621001
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 321.38
    [form] => C19H19N3O2
    [cas] => NA
    [pslug] => -indolin-2-yl-l-tryptophanate-pa200621001
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PA 20 0621001

Indolin-2-yl L-tryptophanate


  • Catalogue No.:PA 20 0621001

  • CAS :

    NA

  • Molecular Formula : C19H19N3O2

  • Molecular Weight : 321.38

stdClass Object
(
    [pname] => (S)-2-Amino-3-(2-((S,E)-7-methylnon-1-en-1-yl)-1H-indol-3-yl)propanoic Acid
    [catalogue_number] => PA 20 0621002
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 342.48
    [form] => C21H30N2O2
    [cas] => 2151080-17-8
    [pslug] => 2151080-17-8-s-2-amino-3-2-s-e-7-methylnon-1-en-1-yl-1h-indol-3-yl-propanoic-acid-pa200621002
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PA 20 0621002

(S)-2-Amino-3-(2-((S,E)-7-methylnon-1-en-1-yl)-1H-indol-3-yl)propanoic Acid


  • Catalogue No.:PA 20 0621002

  • CAS :

    2151080-17-8

  • Molecular Formula : C21H30N2O2

  • Molecular Weight : 342.48

stdClass Object
(
    [pname] => (S,E)-2-Amino-3-(2-(dec-1-en-1-yl)-1H-indol-3-yl)propanoic Acid
    [catalogue_number] => PA 20 0621003
    [category_ids] => ,78,75,76,82,
    [chemical_name] => 
    [weight] => 342.48
    [form] => C21H30N2O2
    [cas] => NA
    [pslug] => -s-e-2-amino-3-2-dec-1-en-1-yl-1h-indol-3-yl-propanoic-acid-pa200621003
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PA 20 0621003

(S,E)-2-Amino-3-(2-(dec-1-en-1-yl)-1H-indol-3-yl)propanoic Acid


  • Catalogue No.:PA 20 0621003

  • CAS :

    NA

  • Molecular Formula : C21H30N2O2

  • Molecular Weight : 342.48

stdClass Object
(
    [pname] => 3-Indolepropionic Acid
    [catalogue_number] => PA 20 0621005
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 189.21
    [form] => C11H11NO2
    [cas] => 830-96-6
    [pslug] => 830-96-6-3-indolepropionic-acid-pa200621005
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PA 20 0621005

3-Indolepropionic Acid


  • Catalogue No.:PA 20 0621005

  • CAS :

    830-96-6

  • Molecular Formula : C11H11NO2

  • Molecular Weight : 189.21

stdClass Object
(
    [pname] => N-(Ethoxycarbonyl)-α-methyl-L-tryptophan Methyl Ester
    [catalogue_number] => PA 20 0621010
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 304.35
    [form] => C16H20N2O4
    [cas] => 1798895-24-5
    [pslug] => 1798895-24-5-n-ethoxycarbonyl-alpha-methyl-l-tryptophan-methyl-ester-pa200621010
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PA 20 0621010

N-(Ethoxycarbonyl)-α-methyl-L-tryptophan Methyl Ester


  • Catalogue No.:PA 20 0621010

  • CAS :

    1798895-24-5

  • Molecular Formula : C16H20N2O4

  • Molecular Weight : 304.35

stdClass Object
(
    [pname] => α-Methyl-D-tryptophan
    [catalogue_number] => PA 20 0621011
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 218.26
    [form] => C12H14N2O2
    [cas] => 56452-52-9
    [pslug] => 56452-52-9-alpha-methyl-d-tryptophan-pa200621011
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PA 20 0621011

α-Methyl-D-tryptophan


  • Catalogue No.:PA 20 0621011

  • CAS :

    56452-52-9

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.26

stdClass Object
(
    [pname] => Indole-3-carboxaldehyde
    [catalogue_number] => PA 20 0621006
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 145.16
    [form] => C9H7NO
    [cas] => 487-89-8
    [pslug] => 487-89-8-indole-3-carboxaldehyde-pa200621006
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PA 20 0621006

Indole-3-carboxaldehyde


  • Catalogue No.:PA 20 0621006

  • CAS :

    487-89-8

  • Molecular Formula : C9H7NO

  • Molecular Weight : 145.16

stdClass Object
(
    [pname] => Z-Trp-OH
    [catalogue_number] => PA 20 0621007
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 338.36
    [form] => C19H18N2O4
    [cas] => 7432-21-5
    [pslug] => 7432-21-5-z-trp-oh-pa200621007
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PA 20 0621007

Z-Trp-OH


  • Catalogue No.:PA 20 0621007

  • CAS :

    7432-21-5

  • Molecular Formula : C19H18N2O4

  • Molecular Weight : 338.36

stdClass Object
(
    [pname] => 5-Fluoroanthranilic Acid
    [catalogue_number] => PA 20 0621008
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 155.13
    [form] => C7H6FNO2
    [cas] => 446-08-2
    [pslug] => 446-08-2-5-fluoroanthranilic-acid-pa200621008
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PA 20 0621008

5-Fluoroanthranilic Acid


  • Catalogue No.:PA 20 0621008

  • CAS :

    446-08-2

  • Molecular Formula : C7H6FNO2

  • Molecular Weight : 155.13

stdClass Object
(
    [pname] => 1-Methyl-D-tryptophan
    [catalogue_number] => PA 20 0621009
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 218.26
    [form] => C12H14N2O2
    [cas] => 110117-83-4
    [pslug] => 110117-83-4-1-methyl-d-tryptophan-pa200621009
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PA 20 0621009

1-Methyl-D-tryptophan


  • Catalogue No.:PA 20 0621009

  • CAS :

    110117-83-4

  • Molecular Formula : C12H14N2O2

  • Molecular Weight : 218.26

stdClass Object
(
    [pname] => 5-(2-Fluoroethoxy)-L-tryptophan
    [catalogue_number] => PA 20 0621012
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 266.27
    [form] =>  C13H15FN2O3
    [cas] => 1215091-03-4
    [pslug] => 1215091-03-4-5-2-fluoroethoxy-l-tryptophan-pa200621012
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PA 20 0621012

5-(2-Fluoroethoxy)-L-tryptophan


  • Catalogue No.:PA 20 0621012

  • CAS :

    1215091-03-4

  • Molecular Formula : C13H15FN2O3

  • Molecular Weight : 266.27

stdClass Object
(
    [pname] => 3-(2-Aminoethyl)-6-benzyloxyindole
    [catalogue_number] => PA 20 0621013
    [category_ids] => ,75,76,70,78,82,
    [chemical_name] => 
    [weight] => 266.34
    [form] => C17H18N2O
    [cas] => 31677-74-4
    [pslug] => 31677-74-4-3-2-aminoethyl-6-benzyloxyindole-pa200621013
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PA 20 0621013

3-(2-Aminoethyl)-6-benzyloxyindole


  • Catalogue No.:PA 20 0621013

  • CAS :

    31677-74-4

  • Molecular Formula : C17H18N2O

  • Molecular Weight : 266.34

stdClass Object
(
    [pname] => Dimethyl 3,3'-(ethane-1,1-diylbis(1H-indole-1,3-diyl))(2R,2'R)-bis(2-aminopropanoate)
    [catalogue_number] => PA 20 0621014
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 462.55
    [form] => C26H30N4O4
    [cas] => NA
    [pslug] => dimethyl-3-3-ethane-1-1-diylbis-1h-indole-1-3-diyl-2r-2r-bis-2-aminopropanoate-pa200621014
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PA 20 0621014

Dimethyl 3,3'-(ethane-1,1-diylbis(1H-indole-1,3-diyl))(2R,2'R)-bis(2-aminopropanoate)


  • Catalogue No.:PA 20 0621014

  • CAS :

    NA

  • Molecular Formula : C26H30N4O4

  • Molecular Weight : 462.55

stdClass Object
(
    [pname] => L-Tryptophan (IPRST021) - from IPC
    [catalogue_number] => PA IPRST021
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => NA
    [form] => NA
    [cas] => NA
    [pslug] => l-tryptophan-iprst021-from-ipc-paiprst021
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L-Tryptophan (IPRST021) - from IPC


  • Catalogue No.:PA IPRST021

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

stdClass Object
(
    [pname] => 3-Indolepropionic-D2 Acid
    [catalogue_number] => PA STI 089151
    [category_ids] => ,98,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 191.23
    [form] => C11H9D2NO2
    [cas] => 2469257-98-3
    [pslug] => 2469257-98-3-3-indolepropionic-d2-acid-pasti089151
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PA STI 089151

3-Indolepropionic-D2 Acid


  • Catalogue No.:PA STI 089151

  • CAS :

    2469257-98-3

  • Molecular Formula : C11H9D2NO2

  • Molecular Weight : 191.23

stdClass Object
(
    [pname] => Tryptophan Cyclized Impurity
    [catalogue_number] => PA 20 0621021
    [category_ids] => ,76,75,70,78,82,
    [chemical_name] => 
    [weight] => 229.24
    [form] => C12H11N3O2
    [cas] => 40856-80-2
    [pslug] => 40856-80-2-tryptophan-cyclized-impurity-pa200621021
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PA 20 0621021

Tryptophan Cyclized Impurity


  • Catalogue No.:PA 20 0621021

  • CAS :

    40856-80-2

  • Molecular Formula : C12H11N3O2

  • Molecular Weight : 229.24

stdClass Object
(
    [pname] => N-Carbamoyl-D-tryptophan
    [catalogue_number] => PA 20 0621022
    [category_ids] => ,76,75,70,78,82,
    [chemical_name] => 
    [weight] => 247.25
    [form] => C12H13N3O3
    [cas] => 54896-75-2
    [pslug] => 54896-75-2-n-carbamoyl-d-tryptophan-pa200621022
    [latest_product] => 0
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PA 20 0621022

N-Carbamoyl-D-tryptophan


  • Catalogue No.:PA 20 0621022

  • CAS :

    54896-75-2

  • Molecular Formula : C12H13N3O3

  • Molecular Weight : 247.25

stdClass Object
(
    [pname] => 7-Hydroxy-L-tryptophan
    [catalogue_number] => PA 20 0621023
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 220.23
    [form] => C11H12N2O3
    [cas] => 25198-02-1
    [pslug] => 25198-02-1-7-hydroxy-l-tryptophan-pa200621023
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PA 20 0621023

7-Hydroxy-L-tryptophan


  • Catalogue No.:PA 20 0621023

  • CAS :

    25198-02-1

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

stdClass Object
(
    [pname] => 6-Hydroxy-DL-tryptophan
    [catalogue_number] => PA 20 0621024
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 220.23
    [form] => C11H12N2O3
    [cas] => 18749-30-9
    [pslug] => 18749-30-9-6-hydroxy-dl-tryptophan-pa200621024
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PA 20 0621024

6-Hydroxy-DL-tryptophan


  • Catalogue No.:PA 20 0621024

  • CAS :

    18749-30-9

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23

stdClass Object
(
    [pname] => 4-Hydroxy-L-tryptophan
    [catalogue_number] => PA 20 0621025
    [category_ids] => ,76,75,78,70,82,
    [chemical_name] => 
    [weight] => 220.23
    [form] => C11H12N2O3
    [cas] => 25242-90-4
    [pslug] => 25242-90-4-4-hydroxy-l-tryptophan-pa200621025
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PA 20 0621025

4-Hydroxy-L-tryptophan


  • Catalogue No.:PA 20 0621025

  • CAS :

    25242-90-4

  • Molecular Formula : C11H12N2O3

  • Molecular Weight : 220.23