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] => 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 [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 62050
Molecular Formula : C11H12N2O4
Molecular Weight : 236.22
stdClass Object ( [pname] => 2-(6-Benzyloxyindolyl)ethylamine Hemisulfate [catalogue_number] => PA 20 62650 [category_ids] => ,70,71,79,100, [chemical_name] => [weight] => 315.38 [form] => C17H18N2O•1/2H2SO4 [cas] => 1315588-70-5 [pslug] => 1315588-70-5-2-6-benzyloxyindolyl-ethylamine-hemisulfate-pa2062650 [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 62650
Molecular Formula : C17H18N2O•1/2H2SO4
Molecular Weight : 315.38
stdClass Object ( [pname] => Indole-d6 [catalogue_number] => PA STI 053000 [category_ids] => ,80,71,98, [chemical_name] => [weight] => 123.18 [form] => C8HD6N [cas] => 104959-27-5 [pslug] => 104959-27-5-indole-d6-pasti053000 [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 053000
Molecular Formula : C8HD6N
Molecular Weight : 123.18
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 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] => D,L-Tryptophan-13C2,15N [catalogue_number] => PA STI 085960 [category_ids] => ,97,80,71,100,98, [chemical_name] => [weight] => 207.20 [form] => C913C2H12N15NO2 [cas] => 1357002-80-2 [pslug] => 1357002-80-2-d-l-tryptophan-13c2-15n-pasti085960 [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 085960
Molecular Formula : C913C2H12N15NO2
Molecular Weight : 207.20
stdClass Object ( [pname] => D-Tryptophan-d5 [catalogue_number] => PA STI 086040 [category_ids] => ,97,80,71,100,98, [chemical_name] => [weight] => 209.26 [form] => C11H7D5N2O2 [cas] => 1202359-57-6 [pslug] => 1202359-57-6-d-tryptophan-d5-pasti086040 [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 086040
Molecular Formula : C11H7D5N2O2
Molecular Weight : 209.26
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 [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 B [catalogue_number] => PA 20 62020 [category_ids] => ,79,71,70,78,70,82, [chemical_name] => [weight] => 236.23 [form] => C11H12N2O4 [cas] => 184955-21-3 [pslug] => 184955-21-3-tryptophan-impurity-b-pa2062020 [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 62020
Molecular Weight : 236.23
stdClass Object ( [pname] => D-Tryptophan 1,1-Dimethylethyl Ester Hydrochloride [catalogue_number] => PA 20 62760 [category_ids] => ,97,80,71,100, [chemical_name] => [weight] => 296.79 [form] => C15H21ClN2O2 [cas] => 375792-97-5 [pslug] => 375792-97-5-d-tryptophan-1-1-dimethylethyl-ester-hydrochloride-pa2062760 [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 62760
Molecular Formula : C15H21ClN2O2
Molecular Weight : 296.79
stdClass Object ( [pname] => L-Tryptophan tert-Butyl Ester Hydrochloride [catalogue_number] => PA 20 62770 [category_ids] => ,79,97,80,69,71,78,70,82, [chemical_name] => [weight] => 296.79 [form] => C15H21ClN2O2 [cas] => 115692-31-4 [pslug] => 115692-31-4-l-tryptophan-tert-butyl-ester-hydrochloride-pa2062770 [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 62770
stdClass Object ( [pname] => D-Tryptophan [catalogue_number] => PA 20 62780 [category_ids] => ,71,80,97,100, [chemical_name] => [weight] => 204.22 [form] => C11H12N2O2 [cas] => 153-94-6 [pslug] => 153-94-6-d-tryptophan-pa2062780 [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 62780
Molecular Formula : C11H12N2O2
Molecular Weight : 204.22
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