Famotidine is a medicine used for the treatment of gastric ulcers, stomach acid production, heartburn and gastroesophageal reflux . It is a histamine H2 receptor antagonist and it is an over-the-counter drug. Reference standards of Famotidine API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Famotidine - Impurity I [catalogue_number] => PA 06 01090 [category_ids] => ,71,76,75,78,70,82,88, [chemical_name] => [weight] => 354.43 [form] => C8H14N6O4S3 [cas] => 1020719-36-1 [pslug] => 1020719-36-1-famotidine-impurity-i-pa0601090 [latest_product] => 0 [linkproducts] => 0 [offers_id] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 36083 [offers_product_code] => PA 06 01090 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 06 01090
CAS :
Molecular Formula : C8H14N6O4S3
Molecular Weight : 354.43
stdClass Object ( [pname] => Famotidine-13C,d4 Acid Impurity [catalogue_number] => PA STI 040580 [category_ids] => ,76,75,78,70,82,98, [chemical_name] => [weight] => 265.35 [form] => C713CH8D4N4O2S2 [cas] => 1324230-60-5 [pslug] => 1324230-60-5-famotidine-13c-d4-acid-impurity-pasti040580 [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 040580
Molecular Formula : C713CH8D4N4O2S2
Molecular Weight : 265.35
stdClass Object ( [pname] => Famotidine - Impurity A (Dihydrochloride Salt) [catalogue_number] => PA 06 0011000 [category_ids] => 82,78,76,75,70 [chemical_name] => [weight] => 331.28 [form] => C8H16Cl2N6S2 [cas] => 88061-72-7 [pslug] => 88061-72-7-famotidine -impurity-a-dihydrochloride-salt-pa060011000 [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 06 0011000
Molecular Formula : C8H16Cl2N6S2
Molecular Weight : 331.28
stdClass Object ( [pname] => Famotidine - Impurity G (Hydrochloride Salt) [catalogue_number] => PA 06 01072 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 319.83 [form] => C9H14ClN7S2 [cas] => NA [pslug] => famotidine-impurity-g-hydrochloride-salt-pa0601072 [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 06 01072
Molecular Formula : C9H14ClN7S2
Molecular Weight : 319.83
stdClass Object ( [pname] => 1-(4-(Chloromethyl)thiazol-2-yl)guanidine [catalogue_number] => PA 06 0011002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 190.65 [form] => C5H7ClN4S [cas] => 81152-53-6 [pslug] => 81152-53-6-1-4-chloromethyl-thiazol-2-yl-guanidine-pa060011002 [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 06 0011002
Molecular Formula : C5H7ClN4S
Molecular Weight : 190.65
stdClass Object ( [pname] => 3-(((2-((Diaminomethylene)amino)thiazol-4-yl)methyl)sulfinyl)-N-sulfamoylpropanamide hydrochloride [catalogue_number] => PA 06 0011003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 390.88 [form] => C8H15ClN6O4S3 [cas] => NA [pslug] => 3-2-diaminomethylene-amino-thiazol-4-yl-methyl-sulfinyl-n-sulfamoylpropanamide-hydrochloride-pa060011003 [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 06 0011003
Molecular Formula : C8H15ClN6O4S3
Molecular Weight : 390.88
stdClass Object ( [pname] => N-(Aminosulfonyl)-3-chloropropanamide [catalogue_number] => PA 06 0011001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 186.61 [form] => C3H7ClN2O3S [cas] => 88068-99-9 [pslug] => 88068-99-9-n-aminosulfonyl-3-chloropropanamide-pa060011001 [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 06 0011001
Molecular Formula : C3H7ClN2O3S
Molecular Weight : 186.61
stdClass Object ( [pname] => N-Sulphamyl-3-chloropropionamidine Hydrochloride [catalogue_number] => PA 06 0011005 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 222.08 [form] => C3H9Cl2N3O2S [cas] => 106649-95-0 [pslug] => 106649-95-0-n-sulphamyl-3-chloropropionamidine-hydrochloride-pa060011005 [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 06 0011005
Molecular Formula : C3H9Cl2N3O2S
Molecular Weight : 222.08
stdClass Object ( [pname] => N-Nitroso Famotidine - I [catalogue_number] => PA 06 0011004 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 366.43 [form] => C8H14N8O3S3 [cas] => NA [pslug] => n-nitroso-famotidine-i-pa060011004 [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 06 0011004
Molecular Formula : C8H14N8O3S3
Molecular Weight : 366.43
stdClass Object ( [pname] => Ethyl 3-(((2-((diaminomethylene)amino)thiazol-4-yl)methyl)thio)propanimidate [catalogue_number] => PAI 06 005051 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 287.4 [form] => C10H17N5OS2 [cas] => NA [pslug] => ethyl-3-2-diaminomethylene-amino-thiazol-4-yl-methyl-thio-propanimidate-pai06005051 [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 06 005051
Molecular Formula : C10H17N5OS2
Molecular Weight : 287.4
stdClass Object ( [pname] => 1-(4-(Chloromethyl)-4-hydroxy-4,5-dihydrothiazol-2-yl)guanidine [catalogue_number] => PA 06 0011006 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 208.66 [form] => C5H9ClN4OS [cas] => 95907-34-9 [pslug] => 95907-34-9-1-4-chloromethyl-4-hydroxy-4-5-dihydrothiazol-2-yl-guanidine-pa060011006 [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 06 0011006
Molecular Formula : C5H9ClN4OS
Molecular Weight : 208.66
stdClass Object ( [pname] => 3,5-bis(2-Chloroethyl)-4H-1,2,4,6-thiatriazine 1,1-dioxide [catalogue_number] => PA 06 0011008 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 258.12 [form] => C6H9Cl2N3O2S [cas] => NA [pslug] => 3-5-bis-2-chloroethyl-4h-1-2-4-6-thiatriazine-1-1-dioxide-pa060011008 [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 06 0011008
Molecular Formula : C6H9Cl2N3O2S
Molecular Weight : 258.12
stdClass Object ( [pname] => 1-(4-(((2-(3-(Hydroxymethyl)-1,1-dioxido-3,4-dihydro-2H-1,2,4,6-thiatriazin-5-yl)ethyl)thio)methyl)thiazol-2-yl)guanidine maleate [catalogue_number] => PA 06 0011007 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 495.54 [form] => C14H21N7O7S3 [cas] => 2575516-75-3 [pslug] => 2575516-75-3-1-4-2-3-hydroxymethyl-1-1-dioxido-3-4-dihydro-2h-1-2-4-6-thiatriazin-5-yl-ethyl-thio-methyl-thiazol-2-yl-guanidine-maleate-pa060011007 [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 06 0011007
Molecular Formula : C14H21N7O7S3
Molecular Weight : 495.54
stdClass Object ( [pname] => Famotidine-13C-d3 [catalogue_number] => PA STI 089065 [category_ids] => 98,82,78,76,75,70 [chemical_name] => [weight] => 341.45 [form] => C713CH12D3N7O2S3 [cas] => 2744683-81-4 [pslug] => 2744683-81-4-famotidine-13c-d3-pasti089065 [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 089065
Molecular Formula : C713CH12D3N7O2S3
Molecular Weight : 341.45
stdClass Object ( [pname] => N-Sulfamoylacrylimidamide [catalogue_number] => PA 06 0011009 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 149.17 [form] => C3H7N3O2S [cas] => 95853-46-6 [pslug] => 95853-46-6-n-sulfamoylacrylimidamide-pa060011009 [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 06 0011009
Molecular Formula : C3H7N3O2S
Molecular Weight : 149.17
stdClass Object ( [pname] => (2-Aminothiazol-4-yl)methyl Carbamimidothioate [catalogue_number] => PA 06 0011010 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 188.27 [form] => C5H8N4S2 [cas] => 20166-91-0 [pslug] => 20166-91-0-2-aminothiazol-4-yl-methyl-carbamimidothioate-pa060011010 [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 06 0011010
Molecular Formula : C5H8N4S2
Molecular Weight : 188.27
stdClass Object ( [pname] => 1-((2-Guanidinothiazol-4-yl)methyl)thiourea [catalogue_number] => PA 06 0011011 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 230.31 [form] => C6H10N6S2 [cas] => NA [pslug] => 1-2-guanidinothiazol-4-yl-methyl-thiourea-pa060011011 [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 06 0011011
Molecular Formula : C6H10N6S2
Molecular Weight : 230.31
stdClass Object ( [pname] => N-(N-Benzylidenesulfamoyl)-3-(((2-guanidinothiazol-4-yl)methyl)thio)propanimidamide [catalogue_number] => PA 06 0011012 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 425.54 [form] => C15H19N7O2S3 [cas] => 1994267-84-3 [pslug] => 1994267-84-3-n-n-benzylidenesulfamoyl-3-2-guanidinothiazol-4-yl-methyl-thio-propanimidamide-pa060011012 [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 06 0011012
Molecular Formula : C15H19N7O2S3
Molecular Weight : 425.54
stdClass Object ( [pname] => 2-(4-(((2-(1,1-Dioxido-5-phenyl-5,6-dihydro-2H-1,2,4,6-thiatriazin-3-yl)ethyl)thio)methyl)thiazol-2-yl)guanidine [catalogue_number] => PA 06 0011013 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 425.54 [form] => C15H19N7O2S3 [cas] => NA [pslug] => 2-4-2-1-1-dioxido-5-phenyl-5-6-dihydro-2h-1-2-4-6-thiatriazin-3-yl-ethyl-thio-methyl-thiazol-2-yl-guanidine-pa060011013 [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 06 0011013
stdClass Object ( [pname] => N-Nitroso Famotidine 2 [catalogue_number] => PA 06 0011014 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 366.43 [form] => C8H14N8O3S3 [cas] => NA [pslug] => n-nitroso-famotidine-2-pa060011014 [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 06 0011014
stdClass Object ( [pname] => 1-(4-(((2-(1,1-Dioxido-3,4-dihydro-2H-1,2,4,6-thiatriazin-5-yl)ethyl)thio)methyl)thiazol-2-yl)guanidine [catalogue_number] => PA 06 0011018 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 349.45 [form] => C9H15N7O2S3 [cas] => 154754-59-3 [pslug] => 154754-59-3-1-4-2-1-1-dioxido-3-4-dihydro-2h-1-2-4-6-thiatriazin-5-yl-ethyl-thio-methyl-thiazol-2-yl-guanidine-pa060011018 [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 06 0011018
Molecular Formula : C9H15N7O2S3
Molecular Weight : 349.45
stdClass Object ( [pname] => (2-((Diaminomethylene)amino)thiazol-5-yl)methyl carbamimidothioate [catalogue_number] => PA 06 0011019 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 230.31 [form] => C6H10N6S2 [cas] => 772304-31-1 [pslug] => 772304-31-1-2-diaminomethylene-amino-thiazol-5-yl-methyl-carbamimidothioate-pa060011019 [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 06 0011019
stdClass Object ( [pname] => (Z)-3-(((2-((Diaminomethylene)amino)thiazol-5-yl)methyl)thio)-N'-sulfamoylpropanimidamide [catalogue_number] => PA 06 0011020 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 337.44 [form] => C8H15N7O2S3 [cas] => NA [pslug] => z-3-2-diaminomethylene-amino-thiazol-5-yl-methyl-thio-n-sulfamoylpropanimidamide-pa060011020 [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 06 0011020
Molecular Formula : C8H15N7O2S3
Molecular Weight : 337.44
stdClass Object ( [pname] => 1-(5-(Chloromethyl)thiazol-2-yl)guanidine [catalogue_number] => PA 06 0011021 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 190.65 [form] => C5H7ClN4S [cas] => 1378820-83-7 [pslug] => 1378820-83-7-1-5-chloromethyl-thiazol-2-yl-guanidine-pa060011021 [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 06 0011021
stdClass Object ( [pname] => (Z)-3-Chloro-N'-sulfamoylpropanimidamide [catalogue_number] => PA 06 0011022 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 185.63 [form] => C3H8ClN3O2S [cas] => 1644079-90-2 [pslug] => 1644079-90-2-z-3-chloro-n-sulfamoylpropanimidamide-pa060011022 [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 06 0011022
Molecular Formula : C3H8ClN3O2S
Molecular Weight : 185.63
stdClass Object ( [pname] => (2-Guanidinothiazol-5-yl)methyl carbamimidothioate Dihydrochloride [catalogue_number] => PA 06 0011023 [category_ids] => ,71,78,79,82,88,75,76, [chemical_name] => [weight] => 303.22 [form] => C6H12Cl2N6S2 [cas] => 124822-89-5 [pslug] => 124822-89-5-2-guanidinothiazol-5-yl-methyl-carbamimidothioate-dihydrochloride-pa060011023 [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 06 0011023
Molecular Formula : C6H12Cl2N6S2
Molecular Weight : 303.22
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