A nitroimidazole class of drug, Metronidazole is an antibiotic and antiprotozoal medication. It works by inhibiting the nucleic acid synthesis by disrupting the DNA of microbial cells. Metronidazole is used in the treatment of pelvic inflammatory disease, endocarditis, and bacterial vaginosis. Reference standards of Metronidazole API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Metronidazole - API Standards [catalogue_number] => PA 13 38000 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 171.15 [form] => C6H9N3O3 [cas] => 443-48-1 [pslug] => 443-48-1-metronidazole-api-standards-pa1338000 [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 13 38000
CAS :
Molecular Formula : C6H9N3O3
Molecular Weight : 171.15
stdClass Object ( [pname] => Metronidazole - Impurity B [catalogue_number] => PA 13 38020 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 113.07 [form] => C3H3N3O2 [cas] => 3034-38-6 [pslug] => 3034-38-6-metronidazole-impurity-b-pa1338020 [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 13 38020
Molecular Formula : C3H3N3O2
Molecular Weight : 113.07
stdClass Object ( [pname] => Metronidazole - Impurity E [catalogue_number] => PA 13 38050 [category_ids] => ,79,80,74,71,78,70,82, [chemical_name] => [weight] => 171.15 [form] => C6H9N3O3 [cas] => 705-19-1 [pslug] => 705-19-1-metronidazole-impurity-e-pa1338050 [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 13 38050
stdClass Object ( [pname] => Metronidazole - Impurity F [catalogue_number] => PA 13 38060 [category_ids] => ,80,71,81,78,70,82, [chemical_name] => [weight] => 215.21 [form] => C8H13N3O4 [cas] => 16156-94-8 [pslug] => 16156-94-8-metronidazole-impurity-f-pa1338060 [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 13 38060
Molecular Formula : C8H13N3O4
Molecular Weight : 215.21
stdClass Object ( [pname] => Metronidazole - Impurity G [catalogue_number] => PA 13 38070 [category_ids] => ,76,75,78,70,82, [chemical_name] => [weight] => 185.14 [form] => C6H7N3O4 [cas] => 1010-93-1 [pslug] => 1010-93-1-metronidazole-impurity-g-pa1338070 [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 13 38070
Molecular Formula : C6H7N3O4
Molecular Weight : 185.14
stdClass Object ( [pname] => 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl Formate [catalogue_number] => PA 13 38510 [category_ids] => ,76,75,78,70,82, [chemical_name] => [weight] => 199.16 [form] => C7H9N3O4 [cas] => 35703-05-0 [pslug] => 35703-05-0-2-2-methyl-5-nitro-1h-imidazol-1-yl-ethyl-formate-pa1338510 [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 13 38510
Molecular Formula : C7H9N3O4
Molecular Weight : 199.16
stdClass Object ( [pname] => 2-(2-Methyl-4-nitro-1H-imidazol-1-yl)ethyl Benzoate [catalogue_number] => PA 13 38550 [category_ids] => ,80,71,78,70,82, [chemical_name] => [weight] => 275.26 [form] => C13H13N3O4 [cas] => 87009-72-1 [pslug] => 87009-72-1-2-2-methyl-4-nitro-1h-imidazol-1-yl-ethyl-benzoate-pa1338550 [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 13 38550
Molecular Formula : C13H13N3O4
Molecular Weight : 275.26
stdClass Object ( [pname] => Metronidazole-d4 [catalogue_number] => PA STI 065050 [category_ids] => ,71,98,78,70,82, [chemical_name] => [weight] => 175.18 [form] => C6H5D4N3O3 [cas] => 1261392-47-5 [pslug] => 1261392-47-5-metronidazole-d4-pasti065050 [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 065050
Molecular Formula : C6H5D4N3O3
Molecular Weight : 175.18
stdClass Object ( [pname] => Hydroxy Metronidazole-d4 [catalogue_number] => PA STI 050290 [category_ids] => ,71,98,76,75,78,70,82, [chemical_name] => [weight] => 191.18 [form] => C6H5D4N3O4 [cas] => 1215071-08-1 [pslug] => 1215071-08-1-hydroxy-metronidazole-d4-pasti050290 [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 050290
Molecular Formula : C6H5D4N3O4
Molecular Weight : 191.18
stdClass Object ( [pname] => N-(2-Hydroxyethyl)-5-methyl-1,2,4-oxadiazole-3-carboxamide [catalogue_number] => PA 13 38570 [category_ids] => ,78,70,82, [chemical_name] => [weight] => 171.16 [form] => C6H9N3O3 [cas] => 110578-73-9 [pslug] => 110578-73-9-n-2-hydroxyethyl-5-methyl-1-2-4-oxadiazole-3-carboxamide-pa1338570 [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 13 38570
Molecular Weight : 171.16
stdClass Object ( [pname] => 1-Hydroxyethyl-2-methyl-4-hydroxyimino-5-oxoimidazole [catalogue_number] => PA 13 38580 [category_ids] => ,78,70,82, [chemical_name] => [weight] => 171.16 [form] => C6H9N3O3 [cas] => 113385-77-6 [pslug] => 113385-77-6-1-hydroxyethyl-2-methyl-4-hydroxyimino-5-oxoimidazole-pa1338580 [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 13 38580
stdClass Object ( [pname] => Metronidazole B-D-Glucuronide [catalogue_number] => PA 13 0381000 [category_ids] => ,70,75,76,78,82,95, [chemical_name] => [weight] => 347.28 [form] => C12H17N3O9 [cas] => 100495-98-5 [pslug] => 100495-98-5-metronidazole-b-d-glucuronide-pa130381000 [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 13 0381000
Molecular Formula : C12H17N3O9
Molecular Weight : 347.28
stdClass Object ( [pname] => 2-Methyl-4-nitro-1-nitroso-1H-imidazole [catalogue_number] => PA 13 0381001 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 156.1 [form] => C4H4N4O3 [cas] => NA [pslug] => 2-methyl-4-nitro-1-nitroso-1h-imidazole-pa130381001 [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 13 0381001
Molecular Formula : C4H4N4O3
Molecular Weight : 156.1
stdClass Object ( [pname] => 2-Methyl-4-nitro-1-nitroso-1H-imidazole [catalogue_number] => PA 13 0381002 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 156.1 [form] => C4H4N4O3 [cas] => NA [pslug] => 2-methyl-4-nitro-1-nitroso-1h-imidazole-pa130381002 [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 13 0381002
stdClass Object ( [pname] => 5-Nitro-1-nitroso-1H-imidazole [catalogue_number] => PA 13 0381004 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 142.07 [form] => C3H2N4O3 [cas] => NA [pslug] => 5-nitro-1-nitroso-1h-imidazole-pa130381004 [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 13 0381004
Molecular Formula : C3H2N4O3
Molecular Weight : 142.07
stdClass Object ( [pname] => 2-Methyl-1-nitroso-1H-imidazole [catalogue_number] => PA 13 0381005 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 111.1 [form] => C4H5N3O [cas] => NA [pslug] => 2-methyl-1-nitroso-1h-imidazole-pa130381005 [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 13 0381005
Molecular Formula : C4H5N3O
Molecular Weight : 111.1
stdClass Object ( [pname] => Hydroxy Metronidazole-d2 [catalogue_number] => PA STI 089004 [category_ids] => ,98,75,76,78,70,82, [chemical_name] => [weight] => 189.17 [form] => C6H7D2N3O4 [cas] => NA [pslug] => hydroxy-metronidazole-d2-pasti089004 [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 089004
Molecular Formula : C6H7D2N3O4
Molecular Weight : 189.17
stdClass Object ( [pname] => Metronidazole-D3 [catalogue_number] => PA STI 089002 [category_ids] => ,70,75,76,78,82,98, [chemical_name] => [weight] => 174.17 [form] => C6H6D3N3O3 [cas] => 83413-09-6 [pslug] => 83413-09-6-metronidazole-d3-pasti089002 [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 089002
Molecular Formula : C6H6D3N3O3
Molecular Weight : 174.17
stdClass Object ( [pname] => 5-Hydroxy-2-methyl-1H-imidazole-1-ethanol [catalogue_number] => PA 13 0381006 [category_ids] => ,70,75,76,78,82, [chemical_name] => [weight] => 142.16 [form] => C6H10N2O2 [cas] => 138169-63-8 [pslug] => 138169-63-8-5-hydroxy-2-methyl-1h-imidazole-1-ethanol-pa130381006 [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 13 0381006
Molecular Formula : C6H10N2O2
Molecular Weight : 142.16
stdClass Object ( [pname] => N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-N-methylnitrous amide [catalogue_number] => PA 13 0381007 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 246.27 [form] => C12H14N4O2 [cas] => 73829-38-6 [pslug] => 73829-38-6-n-1-5-dimethyl-3-oxo-2-phenyl-2-3-dihydro-1h-pyrazol-4-yl-n-methylnitrous-amide-pa130381007 [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 13 0381007
Molecular Formula : C12H14N4O2
Molecular Weight : 246.27
stdClass Object ( [pname] => Hydroxy Metronidazole [catalogue_number] => PA 13 38560 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 187.16 [form] => C6H9N3O4 [cas] => 4812-40-2 [pslug] => 4812-40-2-hydroxy-metronidazole-pa1338560 [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 13 38560
Molecular Formula : C6H9N3O4
Molecular Weight : 187.16
stdClass Object ( [pname] => 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 2-chlorobenzoate [catalogue_number] => PA 13 0381009 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 309.71 [form] => C13H12ClN3O4 [cas] => 13182-90-6 [pslug] => 13182-90-6-2-2-methyl-5-nitro-1h-imidazol-1-yl-ethyl-2-chlorobenzoate-pa130381009 [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 13 0381009
Molecular Formula : C13H12ClN3O4
Molecular Weight : 309.71
stdClass Object ( [pname] => 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 3-chlorobenzoate [catalogue_number] => PA 13 0381010 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 309.71 [form] => C13H12ClN3O4 [cas] => 102274-41-9 [pslug] => 102274-41-9-2-2-methyl-5-nitro-1h-imidazol-1-yl-ethyl-3-chlorobenzoate-pa130381010 [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 13 0381010
stdClass Object ( [pname] => Metronidazole 4-chlorobenzoate [catalogue_number] => PA 13 0381011 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 309.71 [form] => C13H12ClN3O4 [cas] => 102274-40-8 [pslug] => 102274-40-8-metronidazole-4-chlorobenzoate-pa130381011 [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 13 0381011
stdClass Object ( [pname] => Metronidazole 2,4-dichlorobenzoate [catalogue_number] => PA 13 0381012 [category_ids] => ,71,78,70,82, [chemical_name] => [weight] => 344.15 [form] => C13H11Cl2N3O4 [cas] => 102274-43-1 [pslug] => 102274-43-1-metronidazole-2-4-dichlorobenzoate-pa130381012 [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 13 0381012
Molecular Formula : C13H11Cl2N3O4
Molecular Weight : 344.15
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