Tramadol is used primarily to treat mild to severe pain, both acute and chronic. It is sold under the brand name Ultram. It is available as a generic medication and marketed under many brand names worldwide. Reference standards of Tramadol API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => N-Demethyltramadol [catalogue_number] => PA 20 0431000 [category_ids] => ,82,78,76,75,70,165, [chemical_name] => [weight] => 249.35 [form] => C15H23NO2 [cas] => 73806-55-0 [pslug] => 73806-55-0-n-demethyltramadol-pa200431000 [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 0431000
CAS :
Molecular Formula : C15H23NO2
Molecular Weight : 249.35
stdClass Object ( [pname] => Rac-4-Hydroxycyclohexyl Tramadol Hydrochloride [catalogue_number] => PA 20 0431001 [category_ids] => ,82,78,76,75,70,165, [chemical_name] => [weight] => 315.84 [form] => C16H26ClNO3 [cas] => 273398-39-3 [pslug] => 273398-39-3-rac-4-hydroxycyclohexyl-tramadol-hydrochloride-pa200431001 [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 0431001
Molecular Formula : C16H26ClNO3
Molecular Weight : 315.84
stdClass Object ( [pname] => Tramadol - Impurity B (Freebase) [catalogue_number] => PA 20 43021 [category_ids] => ,82,80,79,78,75,70,165, [chemical_name] => [weight] => 245.37 [form] => C16H23NO [cas] => 73825-64-6 [pslug] => 73825-64-6-tramadol-impurity-b-freebase-pa2043021 [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 43021
Molecular Formula : C16H23NO
Molecular Weight : 245.37
stdClass Object ( [pname] => Tramadol - Impurity E (Freebase) [catalogue_number] => PA 20 43051 [category_ids] => ,82,78,70,165, [chemical_name] => [weight] => 155.24 [form] => C9H17NO [cas] => 15409-60-6 [pslug] => 15409-60-6-tramadol-impurity-e-freebase-pa2043051 [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 43051
Molecular Formula : C9H17NO
Molecular Weight : 155.24
stdClass Object ( [pname] => O-Desmethyltramadol Glucuronide [catalogue_number] => PA 73 0081001 [category_ids] => ,95,82,78,70,69,165, [chemical_name] => [weight] => 425.48 [form] => C21H31NO8 [cas] => 138921-77-4 [pslug] => 138921-77-4-o-desmethyltramadol-glucuronide-pa730081001 [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 73 0081001
Molecular Formula : C21H31NO8
Molecular Weight : 425.48
stdClass Object ( [pname] => N-Nitroso N-Desmethyl Tramadol [catalogue_number] => PA 73 0081002 [category_ids] => ,162,82,78,76,75,70,165, [chemical_name] => [weight] => 278.35 [form] => C15H22N2O3 [cas] => NA [pslug] => n-nitroso-n-desmethyl-tramadol-pa730081002 [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 73 0081002
Molecular Formula : C15H22N2O3
Molecular Weight : 278.35
stdClass Object ( [pname] => N-Nitroso-Desmethyl-Tramadol (Mixture) [catalogue_number] => PA 73 0081003 [category_ids] => ,162,82,80,78,75,70,165, [chemical_name] => [weight] => 278.35 [form] => C15H22N2O3 [cas] => NA [pslug] => n-nitroso-desmethyl-tramadol-mixture-pa730081003 [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 73 0081003
stdClass Object ( [pname] => N,N,O-Tridemethyltramadol [catalogue_number] => PA 73 0081004 [category_ids] => ,82,80,78,70,69,165, [chemical_name] => [weight] => 221.3 [form] => C13H19NO2 [cas] => 185502-41-4 [pslug] => 185502-41-4-n-n-o-tridemethyltramadol-pa730081004 [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 73 0081004
Molecular Formula : C13H19NO2
Molecular Weight : 221.3
stdClass Object ( [pname] => O-methyl Tramadol [catalogue_number] => PA 73 0081005 [category_ids] => ,82,80,78,70,69,165, [chemical_name] => [weight] => 277.41 [form] => C17H27NO2 [cas] => 541506-07-4 [pslug] => 541506-07-4-o-methyl-tramadol-pa730081005 [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 73 0081005
Molecular Formula : C17H27NO2
Molecular Weight : 277.41
stdClass Object ( [pname] => rac N-Benzyl-N-desmethyl Tramadol-d3 [catalogue_number] => PA STI 011280 [category_ids] => ,98,82,78,76,75,70,165, [chemical_name] => [weight] => 342.49 [form] => C22H26D3NO2 [cas] => 1346601-74-8 [pslug] => 1346601-74-8-rac-n-benzyl-n-desmethyl-tramadol-d3-pasti011280 [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 011280
Molecular Formula : C22H26D3NO2
Molecular Weight : 342.49
stdClass Object ( [pname] => rac N-Desmethyl Tramadol-d3 Hydrochloride [catalogue_number] => PA STI 028790 [category_ids] => ,98,82,78,76,75,70,165, [chemical_name] => [weight] => 288.83 [form] => C15H21D3ClNO2 [cas] => 1261398-09-7 [pslug] => 1261398-09-7-rac-n-desmethyl-tramadol-d3-hydrochloride-pasti028790 [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 028790
Molecular Formula : C15H21D3ClNO2
Molecular Weight : 288.83
stdClass Object ( [pname] => O-Desmethyl Tramadol-d6 [catalogue_number] => PA STI 028800 [category_ids] => ,98,82,78,76,75,70,165, [chemical_name] => [weight] => 255.39 [form] => C15H17D6NO2 [cas] => 873928-73-5 [pslug] => 873928-73-5-o-desmethyl-tramadol-d6-pasti028800 [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 028800
Molecular Formula : C15H17D6NO2
Molecular Weight : 255.39
stdClass Object ( [pname] => O-Desmethyl Tramadol-d6 Hydrochloride [catalogue_number] => PA STI 028810 [category_ids] => ,98,82,80,78,76,75,70,69,165, [chemical_name] => [weight] => 291.85 [form] => C15H18D6ClNO2 [cas] => 1261393-87-6 [pslug] => 1261393-87-6-o-desmethyl-tramadol-d6-hydrochloride-pasti028810 [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 028810
Molecular Formula : C15H18D6ClNO2
Molecular Weight : 291.85
stdClass Object ( [pname] => (+/-)-N-Desmethyl Trifluoroacetotramadol-d3 [catalogue_number] => PA STI 028820 [category_ids] => ,98,82,78,76,75,70,165, [chemical_name] => [weight] => 348.38 [form] => C17H19D3F3NO3 [cas] => 1346602-78-5 [pslug] => 1346602-78-5-n-desmethyl-trifluoroacetotramadol-d3-pasti028820 [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 028820
Molecular Formula : C17H19D3F3NO3
Molecular Weight : 348.38
stdClass Object ( [pname] => rac N,O-Didesmethyl Tramadol-d3 [catalogue_number] => PA STI 031010 [category_ids] => ,98,82,78,76,75,70,165, [chemical_name] => [weight] => 238.34 [form] => C14H18D3NO2 [cas] => 1261398-22-4 [pslug] => 1261398-22-4-rac-n-o-didesmethyl-tramadol-d3-pasti031010 [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 031010
Molecular Formula : C14H18D3NO2
Molecular Weight : 238.34
stdClass Object ( [pname] => Rac-4-Hydroxycyclohexyl Tramadol-d6 Hydrochloride [catalogue_number] => PA STI 047780 [category_ids] => ,98,82,80,78,76,75,70,69,165, [chemical_name] => [weight] => 321.87 [form] => C16H20D6ClNO3 [cas] => NA [pslug] => rac-4-hydroxycyclohexyl-tramadol-d6-hydrochloride-pasti047780 [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 047780
Molecular Formula : C16H20D6ClNO3
Molecular Weight : 321.87
stdClass Object ( [pname] => Tramadol Hydrochloride - Impurity A (Hydrochloride Salt) [catalogue_number] => PA 20 43010 [category_ids] => 165,82,80,78,75,70,69 [chemical_name] => [weight] => 299.84 [form] => C16H26ClNO2 [cas] => 73806-49-2 [pslug] => 73806-49-2-tramadol-hydrochloride-impurity-a-hydrochloride-salt-pa2043010 [latest_product] => 0 [linkproducts] => 1 [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 43010
Molecular Formula : C16H26ClNO2
Molecular Weight : 299.84
stdClass Object ( [pname] => (+)-Tramadol [catalogue_number] => PA 20 43570 [category_ids] => ,82,80,78,70,69,165, [chemical_name] => [weight] => 263.38 [form] => C16H25NO2 [cas] => 123154-38-1 [pslug] => 123154-38-1-tramadol-pa2043570 [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 43570
Molecular Formula : C16H25NO2
Molecular Weight : 263.38
stdClass Object ( [pname] => (-)-Tramadol [catalogue_number] => PA 20 43580 [category_ids] => ,82,80,78,70,69,165, [chemical_name] => [weight] => 263.38 [form] => C16H25NO2 [cas] => 123134-25-8 [pslug] => 123134-25-8-tramadol-pa2043580 [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 43580
stdClass Object ( [pname] => 2-((Bis(methyl-d3)amino)methyl)-1-(3-methoxyphenyl)cyclohexan-1-ol Hydrochloride [catalogue_number] => PA STI 084081 [category_ids] => ,98,82,80,78,70,69,165, [chemical_name] => [weight] => 305.88 [form] => C16H20D6ClNO2 [cas] => 1189374-50-2 [pslug] => 1189374-50-2-2-bis-methyl-d3-amino-methyl-1-3-methoxyphenyl-cyclohexan-1-ol-hydrochloride-pasti084081 [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 084081
Molecular Formula : C16H20D6ClNO2
Molecular Weight : 305.88
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