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 A
[catalogue_number] => PA 20 62010
[category_ids] => 97,82,78,70
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[weight] => 434.49
[form] => C24H26N4O4
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Catalogue No.:PA 20 62010
Molecular Formula : C24H26N4O4
Molecular Weight : 434.49
stdClass Object
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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
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Catalogue No.:PA 20 62040
Molecular Formula : C11H12N2O3
Molecular Weight : 220.22
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[pname] => Tryptophan - Impurity E
[catalogue_number] => PA 20 62050
[category_ids] => ,80,79,71,75,78,70,82,
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[weight] => 236.22
[form] => C11H12N2O4
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Catalogue No.:PA 20 62050
Molecular Formula : C11H12N2O4
Molecular Weight : 236.22
stdClass Object
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[pname] => 5-Benzyloxyindole-3-carboxaldehyde
[catalogue_number] => PA 20 62580
[category_ids] => ,78,70,82,
[chemical_name] =>
[weight] => 251.28
[form] => C16H13NO2
[cas] => 6953-22-6
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5-Benzyloxyindole-3-carboxaldehyde
Catalogue No.:PA 20 62580
Molecular Formula : C16H13NO2
Molecular Weight : 251.28
stdClass Object
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[pname] => 5-Hydroxytryptoline
[catalogue_number] => PA 20 62680
[category_ids] => ,79,80,70,82,78,
[chemical_name] =>
[weight] => 188.23
[form] => C11H12N2O
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Catalogue No.:PA 20 62680
Molecular Formula : C11H12N2O
Molecular Weight : 188.23
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[catalogue_number] => PA 20 62690
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[chemical_name] =>
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[form] => C11H11NO
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Catalogue No.:PA 20 62690
Molecular Formula : C11H11NO
Molecular Weight : 173.21
stdClass Object
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[catalogue_number] => PA 20 62700
[category_ids] => ,79,80,70,82,78,
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[weight] => 218.25
[form] => C12H14N2O2
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Catalogue No.:PA 20 62700
Molecular Formula : C12H14N2O2
Molecular Weight : 218.25
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7-Hydroxy-1,2-dimethyl-9H-pyrido[3,4-b]indolium-d3 Iodide
Catalogue No.:PA STI 048670
Molecular Formula : C13H10D3IN2O
Molecular Weight : 343.18
stdClass Object
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5-Hydroxy L-Tryptophan-d4 (Major)
Catalogue No.:PA STI 052010
Molecular Formula : C11H8D4N2O3
Molecular Weight : 224.25
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[form] => C10H7D4NO2
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Catalogue No.:PA STI 052020
Molecular Formula : C10H7D4NO2
Molecular Weight : 181.22
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5-Hydroxy Tryptophol-d4 β-D-Glucuronide
Catalogue No.:PA STI 052030
Molecular Formula : C16H15D4NO8
Molecular Weight : 357.35
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[form] => C813C2H12N15NO3
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Catalogue No.:PA STI 055330
Molecular Formula : C813C2H12N15NO3
Molecular Weight : 211.19
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[catalogue_number] => PA STI 057710
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[weight] => 370.39
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2-(α-D-Mannopyranosyl)-L-tryptophan-d4
Catalogue No.:PA STI 057710
Molecular Formula : C17H18D4N2O7
Molecular Weight : 370.39
stdClass Object
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[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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Catalogue No.:PA 20 62740
Molecular Formula : C12H14N2O2
Molecular Weight : 218.26
stdClass Object
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[weight] => 220.23
[form] => C11H12N2O3
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Catalogue No.:PA 20 62750
Molecular Formula : C11H12N2O3
Molecular Weight : 220.23
stdClass Object
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Catalogue No.:PA 20 62020
Molecular Formula : C11H12N2O4
Molecular Weight : 236.23
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[pname] => Tryptophan - Impurity C
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[category_ids] => ,76,75,78,70,82,
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[weight] => 208.22
[form] => C10H12N2O3
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Catalogue No.:PA 20 62030
Molecular Formula : C10H12N2O3
Molecular Weight : 208.22
stdClass Object
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[pname] => Tryptophan - Impurity F
[catalogue_number] => PA 20 62060
[category_ids] => ,78,70,82,
[chemical_name] =>
[weight] => 180.21
[form] => C9H12N2O2
[cas] => 145545-23-9
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Catalogue No.:PA 20 62060
Molecular Formula : C9H12N2O2
Molecular Weight : 180.21
stdClass Object
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[weight] => 216.24
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Catalogue No.:PA 20 62080
Molecular Formula : C12H12N2O2
Molecular Weight : 216.24
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[chemical_name] =>
[weight] => 230.27
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Catalogue No.:PA 20 62090
Molecular Formula : C13H14N2O2
Molecular Weight : 230.27
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[chemical_name] =>
[weight] => 393.44
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[cas] => 164068-19-3
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Catalogue No.:PA 20 62100
Molecular Formula : C22H23N3O4
Molecular Weight : 393.44
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Catalogue No.:PA 20 62110
Molecular Formula : C20H19N3O2
Molecular Weight : 333.39
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[catalogue_number] => PA 20 62120
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[chemical_name] =>
[weight] => 345.40
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Catalogue No.:PA 20 62120
Molecular Formula : C21H19N3O2
Molecular Weight : 345.40
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[weight] => 296.79
[form] => C15H21ClN2O2
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L-Tryptophan tert-Butyl Ester Hydrochloride
Catalogue No.:PA 20 62770
Molecular Formula : C15H21ClN2O2
Molecular Weight : 296.79
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[catalogue_number] => PA 20 0621004
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[weight] => 258.68
[form] => C11H12ClFN2O2
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5-Fluoro D,L-Tryptophan Hydrochloride
Catalogue No.:PA 20 0621004
Molecular Formula : C11H12ClFN2O2
Molecular Weight : 258.68
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3α-Hydroxy-1,2,3,3a,8,8a-hexahydropyrrolo[2,3-b]indole-2-carboxylic Acid
Catalogue No.:PA 20 0621000
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
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Indolin-2-yl L-tryptophanate
Catalogue No.:PA 20 0621001
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
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(S)-2-Amino-3-(2-((S,E)-7-methylnon-1-en-1-yl)-1H-indol-3-yl)propanoic Acid
Catalogue No.:PA 20 0621002
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
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[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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(S,E)-2-Amino-3-(2-(dec-1-en-1-yl)-1H-indol-3-yl)propanoic Acid
Catalogue No.:PA 20 0621003
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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Catalogue No.:PA 20 0621005
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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N-(Ethoxycarbonyl)-α-methyl-L-tryptophan Methyl Ester
Catalogue No.:PA 20 0621010
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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Catalogue No.:PA 20 0621011
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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Catalogue No.:PA 20 0621006
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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Catalogue No.:PA 20 0621007
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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Catalogue No.:PA 20 0621008
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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Catalogue No.:PA 20 0621009
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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5-(2-Fluoroethoxy)-L-tryptophan
Catalogue No.:PA 20 0621012
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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3-(2-Aminoethyl)-6-benzyloxyindole
Catalogue No.:PA 20 0621013
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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Dimethyl 3,3'-(ethane-1,1-diylbis(1H-indole-1,3-diyl))(2R,2'R)-bis(2-aminopropanoate)
Catalogue No.:PA 20 0621014
Molecular Formula : C26H30N4O4
Molecular Weight : 462.55
stdClass Object
(
[pname] => L-Tryptophan (IPRST021) - from IPC
[catalogue_number] => PA IPRST021
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[weight] => NA
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[pslug] => l-tryptophan-iprst021-from-ipc-paiprst021
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L-Tryptophan (IPRST021) - from IPC
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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3-Indolepropionic-D2 Acid
Catalogue No.:PA STI 089151
Molecular Formula : C11H9D2NO2
Molecular Weight : 191.23
stdClass Object
(
[pname] => 1-Nitroso-D-tryptophan
[catalogue_number] => PA 20 0621016
[category_ids] => ,70,78,82,162,
[chemical_name] =>
[weight] => 233.23
[form] => C11H11N3O3
[cas] => NA
[pslug] => 1-nitroso-d-tryptophan-pa200621016
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Catalogue No.:PA 20 0621016
Molecular Formula : C11H11N3O3
Molecular Weight : 233.23
stdClass Object
(
[pname] => Fmoc-L-Kynurenine
[catalogue_number] => PA 20 0621017
[category_ids] => ,78,70,82,
[chemical_name] =>
[weight] => 430.46
[form] => C25H22N2O5
[cas] => 831210-89-0
[pslug] => 831210-89-0-fmoc-l-kynurenine-pa200621017
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Catalogue No.:PA 20 0621017
Molecular Formula : C25H22N2O5
Molecular Weight : 430.46
stdClass Object
(
[pname] => 5-Hydroxyindoleacetic Acid
[catalogue_number] => PA 20 0621018
[category_ids] => ,78,70,82,76,
[chemical_name] =>
[weight] => 191.19
[form] => C10H9NO3
[cas] => 54-16-0
[pslug] => 54-16-0-5-hydroxyindoleacetic-acid-pa200621018
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5-Hydroxyindoleacetic Acid
Catalogue No.:PA 20 0621018
Molecular Formula : C10H9NO3
Molecular Weight : 191.19
stdClass Object
(
[pname] => Methyl 1-nitroso-D-tryptophanate
[catalogue_number] => PA 20 0621019
[category_ids] => ,70,78,82,162,
[chemical_name] =>
[weight] => 247.25
[form] => C12H13N3O3
[cas] => NA
[pslug] => methyl-1-nitroso-d-tryptophanate-pa200621019
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Methyl 1-nitroso-D-tryptophanate
Catalogue No.:PA 20 0621019
Molecular Formula : C12H13N3O3
Molecular Weight : 247.25
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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Tryptophan Cyclized Impurity
Catalogue No.:PA 20 0621021
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
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Catalogue No.:PA 20 0621022
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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Catalogue No.:PA 20 0621023
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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Catalogue No.:PA 20 0621024
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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Catalogue No.:PA 20 0621025
Molecular Formula : C11H12N2O3
Molecular Weight : 220.23
stdClass Object
(
[pname] => Methyl L-tryptophanate Hydrochloride
[catalogue_number] => PA 20 0621026
[category_ids] => ,78,70,82,
[chemical_name] =>
[weight] => 254.71
[form] => C12H15ClN2O2
[cas] => 7524-52-9
[pslug] => 7524-52-9-methyl-l-tryptophanate-hydrochloride-pa200621026
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Methyl L-tryptophanate Hydrochloride
Catalogue No.:PA 20 0621026
Molecular Formula : C12H15ClN2O2
Molecular Weight : 254.71
stdClass Object
(
[pname] => Tryptophan - Impurity G (Hydrochloride Salt)
[catalogue_number] => PA 20 0620071
[category_ids] => ,82,78,70,
[chemical_name] =>
[weight] => 256.69
[form] => C11H13ClN2O3
[cas] => 881025-90-7
[pslug] => 881025-90-7-tryptophan-impurity-g-hydrochloride-salt-pa200620071
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Tryptophan - Impurity G (Hydrochloride Salt)
Catalogue No.:PA 20 0620071
Molecular Formula : C11H13ClN2O3
Molecular Weight : 256.69
stdClass Object
(
[pname] => (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2H-indazol-3-yl)propanoic Acid
[catalogue_number] => PA 20 0621028
[category_ids] => ,79,71,76,75,78,70,82,
[chemical_name] =>
[weight] => 427.46
[form] => C25H21N3O4
[cas] => 2305185-20-8
[pslug] => 2305185-20-8-s-2-9h-fluoren-9-yl-methoxy-carbonyl-amino-3-2h-indazol-3-yl-propanoic-acid-pa200621028
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(S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(2H-indazol-3-yl)propanoic Acid
Catalogue No.:PA 20 0621028
Molecular Formula : C25H21N3O4
Molecular Weight : 427.46
stdClass Object
(
[pname] => (S)-2-Amino-3-(1H-pyrrolo[2,3-c]pyridin-3-yl)propanoic Acid
[catalogue_number] => PA 20 0621029
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[weight] => 205.22
[form] => C10H11N3O2
[cas] => 149704-63-2
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(S)-2-Amino-3-(1H-pyrrolo[2,3-c]pyridin-3-yl)propanoic Acid
Catalogue No.:PA 20 0621029
Molecular Formula : C10H11N3O2
Molecular Weight : 205.22
stdClass Object
(
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[form] => C10H11N3O2
[cas] => 149818-23-5
[pslug] => 149818-23-5-s-2-amino-3-1h-pyrrolo-3-2-b-pyridin-3-yl-propanoic-acid-pa200621030
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(S)-2-Amino-3-(1H-pyrrolo[3,2-b]pyridin-3-yl)propanoic Acid
Catalogue No.:PA 20 0621030
Molecular Formula : C10H11N3O2
Molecular Weight : 205.22
