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.
stdClass Object ( [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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 62040
CAS :
Molecular Formula : C11H12N2O3
Molecular Weight : 220.22
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 052010
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 052020
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 052030
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 055330
Molecular Formula : C813C2H12N15NO3
Molecular Weight : 211.19
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 62750
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 62030
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621000
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [pslug] => 2151080-17-8-s-2-amino-3-2-s-e-7-methylnon-1-en-1-yl-1h-indol-3-yl-propanoic-acid-pa200621002 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621003
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621009
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621014
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA IPRST021
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA STI 089151
Molecular Formula : C11H9D2NO2
Molecular Weight : 191.23
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621018
Molecular Formula : C10H9NO3
Molecular Weight : 191.19
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [pslug] => 54896-75-2-n-carbamoyl-d-tryptophan-pa200621022 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621023
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621024
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 [latest_product] => 0 [linkproducts] => 0 [offers_id] => [offers_name] => [offers_status] => [offers_start_date] => [offers_end_date] => [pageview] => [offers_slug] => [offers_product_id] => [offers_product_code] => [offers_master_id] => [offer_percentage] => [offers_product_main_cat] => )
Catalogue No.:PA 20 0621025
I accept terms and conditions
Message sent successfully!! We will get back to you shortly ....
