A nonselective COX inhibitor, Naproxen is a Non-steroidal anti-inflammatory drug that belongs to class of 2-arylpropionic acid. It is used for the treatment of fever, pain and inflammation. Reference standards of Naproxen API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Naproxen - Impurity A [catalogue_number] => PA 14 13010 [category_ids] => ,69,76,75,78,70,82, [chemical_name] => [weight] => 216.23 [form] => C13H12O3 [cas] => 52079-10-4 [pslug] => 52079-10-4-naproxen-impurity-a-pa1413010 [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 14 13010
CAS :
Molecular Formula : C13H12O3
Molecular Weight : 216.23
stdClass Object ( [pname] => Naproxen - Impurity I [catalogue_number] => PA 14 13090 [category_ids] => ,80,81,76,75, [chemical_name] => [weight] => 216.23 [form] => C13H12O3 [cas] => 23981-47-7 [pslug] => 23981-47-7-naproxen-impurity-i-pa1413090 [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 14 13090
stdClass Object ( [pname] => Naproxen - Impurity J [catalogue_number] => PA 14 13100 [category_ids] => ,80,76,75,78,70,82, [chemical_name] => [weight] => 186.25 [form] => C13H14O [cas] => 21388-17-0 [pslug] => 21388-17-0-naproxen-impurity-j-pa1413100 [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 14 13100
Molecular Formula : C13H14O
Molecular Weight : 186.25
stdClass Object ( [pname] => rac O-Desmethyl Naproxen-d3 [catalogue_number] => PA STI 028530 [category_ids] => ,76,75,78,70,82,98, [chemical_name] => [weight] => 219.25 [form] => C13H9D3O3 [cas] => 1122399-99-8 [pslug] => 1122399-99-8-rac-o-desmethyl-naproxen-d3-pasti028530 [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 028530
Molecular Formula : C13H9D3O3
Molecular Weight : 219.25
stdClass Object ( [pname] => A-Hydroxy-6-methoxy-α-methyl-2-naphthaleneacetic acid methyl ester [catalogue_number] => PA 14 0131000 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 260.29 [form] => C15H16O4 [cas] => 105937-62-0 [pslug] => 105937-62-0-a-hydroxy-6-methoxy-alpha-methyl-2-naphthaleneacetic-acid-methyl-ester-pa140131000 [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 14 0131000
Molecular Formula : C15H16O4
Molecular Weight : 260.29
stdClass Object ( [pname] => α-(6-Methoxy-2-naphthyl)lactic Acid [catalogue_number] => PA 14 0131001 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 246.26 [form] => C14H14O4 [cas] => 32721-11-2 [pslug] => 32721-11-2-alpha-6-methoxy-2-naphthyl-lactic-acid-pa140131001 [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 14 0131001
Molecular Formula : C14H14O4
Molecular Weight : 246.26
stdClass Object ( [pname] => Desmethylnaproxen [catalogue_number] => PA 14 0131002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 216.24 [form] => C13H12O3 [cas] => 60756-73-2 [pslug] => 60756-73-2-desmethylnaproxen-pa140131002 [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 14 0131002
Molecular Weight : 216.24
stdClass Object ( [pname] => 6-Methoxy-2-naphthaldehyde [catalogue_number] => PAI 14 003511 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 186.21 [form] => C12H10O2 [cas] => 3453-33-6 [pslug] => 3453-33-6-6-methoxy-2-naphthaldehyde-pai14003511 [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.:PAI 14 003511
Molecular Formula : C12H10O2
Molecular Weight : 186.21
stdClass Object ( [pname] => 6-Hydroxy-2-naphthaldehyde [catalogue_number] => PAI 14 003512 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 172.18 [form] => C11H8O2 [cas] => 78119-82-1 [pslug] => 78119-82-1-6-hydroxy-2-naphthaldehyde-pai14003512 [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.:PAI 14 003512
Molecular Formula : C11H8O2
Molecular Weight : 172.18
stdClass Object ( [pname] => 6-Methoxy-2-naphthonitrile [catalogue_number] => PA 14 0131006 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 183.21 [form] => C12H9NO [cas] => 67886-70-8 [pslug] => 67886-70-8-6-methoxy-2-naphthonitrile-pa140131006 [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 14 0131006
Molecular Formula : C12H9NO
Molecular Weight : 183.21
stdClass Object ( [pname] => 2-((4-Methoxybenzyl)amino)butan-1-ol [catalogue_number] => PA 14 0131003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 209.29 [form] => C12H19NO2 [cas] => 156543-20-3 [pslug] => 156543-20-3-2-4-methoxybenzyl-amino-butan-1-ol-pa140131003 [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 14 0131003
Molecular Formula : C12H19NO2
Molecular Weight : 209.29
stdClass Object ( [pname] => (R)-2-(5-Iodo-6-methoxynaphthalen-2-yl)propanoic acid [catalogue_number] => PA 14 0131004 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 356.16 [form] => C14H13IO3 [cas] => 116883-61-5 [pslug] => 116883-61-5-r-2-5-iodo-6-methoxynaphthalen-2-yl-propanoic-acid-pa140131004 [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 14 0131004
Molecular Formula : C14H13IO3
Molecular Weight : 356.16
stdClass Object ( [pname] => 4-Carbamoylphenyl 2-(6-methoxynaphthalen-2-yl)propanoate [catalogue_number] => PA 14 0131005 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 349.39 [form] => C21H19NO4 [cas] => 1000700-40-2 [pslug] => 1000700-40-2-4-carbamoylphenyl-2-6-methoxynaphthalen-2-yl-propanoate-pa140131005 [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 14 0131005
Molecular Formula : C21H19NO4
Molecular Weight : 349.39
stdClass Object ( [pname] => Ethyl 2-(5-iodo-6-methoxynaphthalen-2-yl)propanoate [catalogue_number] => PAI 14 003513 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 384.21 [form] => C16H17IO3 [cas] => NA [pslug] => ethyl-2-5-iodo-6-methoxynaphthalen-2-yl-propanoate-pai14003513 [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.:PAI 14 003513
Molecular Formula : C16H17IO3
Molecular Weight : 384.21
stdClass Object ( [pname] => Naproxen 1,2-Propylene Glycol Esters (Mixture of Isomers) [catalogue_number] => PA 14 0131007 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 576.69 [form] => C34H40O8 [cas] => NA [pslug] => naproxen-1-2-propylene-glycol-esters-mixture-of-isomers-pa140131007 [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 14 0131007
Molecular Formula : C34H40O8
Molecular Weight : 576.69
stdClass Object ( [pname] => 2,3-Dihydroxypropyl 2-(6-methoxynaphthalen-2-yl)propanoate [catalogue_number] => PA 14 0131008 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 304.34 [form] => C17H20O5 [cas] => 38835-17-5 [pslug] => 38835-17-5-2-3-dihydroxypropyl-2-6-methoxynaphthalen-2-yl-propanoate-pa140131008 [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 14 0131008
Molecular Formula : C17H20O5
Molecular Weight : 304.34
stdClass Object ( [pname] => 4-Phenoxyphenylacetic Acid [catalogue_number] => PA 14 0131009 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 228.25 [form] => C14H12O3 [cas] => 6328-74-1 [pslug] => 6328-74-1-4-phenoxyphenylacetic-acid-pa140131009 [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 14 0131009
Molecular Formula : C14H12O3
Molecular Weight : 228.25
stdClass Object ( [pname] => (2S)-(2S-3R-4R-5R)-2,3,4,5,6-Pentahydroxyhexyl-2-(2-methoxy naphthalene-6-yl) propanoate [catalogue_number] => PA 14 0131010 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 394.42 [form] => C20H26O8 [cas] => 358369-77-4 [pslug] => 358369-77-4-2s-2s-3r-4r-5r-2-3-4-5-6-pentahydroxyhexyl-2-2-methoxy-naphthalene-6-yl-propanoate-pa140131010 [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 14 0131010
Molecular Formula : C20H26O8
Molecular Weight : 394.42
stdClass Object ( [pname] => (R)-2-((2R,3R,4S)-3,4-Dihydroxytetrahydrofuran-2-yl)-2-hydroxyethyl (S)-2-(6-methoxynaphthalen-2-yl)propanoate [catalogue_number] => PA 14 0131011 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 376.41 [form] => C20H24O7 [cas] => NA [pslug] => r-2-2r-3r-4s-3-4-dihydroxytetrahydrofuran-2-yl-2-hydroxyethyl-s-2-6-methoxynaphthalen-2-yl-propanoate-pa140131011 [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 14 0131011
Molecular Formula : C20H24O7
Molecular Weight : 376.41
stdClass Object ( [pname] => Naproxen Lactic Acid Ester [catalogue_number] => PA 14 0131014 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 302.33 [form] => C17H18O5 [cas] => 140225-89-4 [pslug] => 140225-89-4-naproxen-lactic-acid-ester-pa140131014 [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 14 0131014
Molecular Formula : C17H18O5
Molecular Weight : 302.33
stdClass Object ( [pname] => Naproxen-d3 [catalogue_number] => PA STI 089175 [category_ids] => 82,78,70,75,76,98 [chemical_name] => [weight] => 233.28 [form] => C14H11D3O3 [cas] => 958293-79-3 [pslug] => 958293-79-3-naproxen-d3-pasti089175 [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 089175
Molecular Formula : C14H11D3O3
Molecular Weight : 233.28
stdClass Object ( [pname] => (R)-O-Desmethyl Naproxen [catalogue_number] => PA 14 0131012 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 216.24 [form] => C13H12O3 [cas] => 123050-98-6 [pslug] => 123050-98-6-r-o-desmethyl-naproxen-pa140131012 [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 14 0131012
stdClass Object ( [pname] => 2-(6-(3-Hydroxy-2,2-dimethylpropoxy)naphthalen-2-yl)propanoic Acid [catalogue_number] => PA 14 0131013 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 302.37 [form] => C18H22O4 [cas] => 2601735-81-1 [pslug] => 2601735-81-1-2-6-3-hydroxy-2-2-dimethylpropoxy-naphthalen-2-yl-propanoic-acid-pa140131013 [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 14 0131013
Molecular Formula : C18H22O4
Molecular Weight : 302.37
stdClass Object ( [pname] => Naproxen Related Compound K (1457414) [catalogue_number] => PA USP1457414 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => NA [form] => NA [cas] => 77301-42-9 [pslug] => 77301-42-9-naproxen-related-compound-k-1457414-pausp1457414 [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 USP1457414
Molecular Formula : NA
Molecular Weight : NA
stdClass Object ( [pname] => Naproxen Chloride [catalogue_number] => PA 14 0131015 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 248.71 [form] => C14H13ClO2 [cas] => 51091-84-0 [pslug] => 51091-84-0-naproxen-chloride-pa140131015 [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 14 0131015
Molecular Formula : C14H13ClO2
Molecular Weight : 248.71
stdClass Object ( [pname] => 2-(2-(6-Methoxynaphthalen-2-yl)propanamido)butyl 2-(6-methoxynaphthalen-2-yl)propanoate [catalogue_number] => PA 14 0131016 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 513.63 [form] => C32H35NO5 [cas] => NA [pslug] => 2-2-6-methoxynaphthalen-2-yl-propanamido-butyl-2-6-methoxynaphthalen-2-yl-propanoate-pa140131016 [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 14 0131016
Molecular Formula : C32H35NO5
Molecular Weight : 513.63
stdClass Object ( [pname] => Naproxen 13CD3 [catalogue_number] => PA STI 089313 [category_ids] => ,98,75,76,78,70,82, [chemical_name] => [weight] => 234.27 [form] => C1313CH11D3O3 [cas] => 1261392-52-2 [pslug] => 1261392-52-2-naproxen-13cd3-pasti089313 [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 089313
Molecular Formula : C1313CH11D3O3
Molecular Weight : 234.27
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