A broad spectrum antibiotic which is used to inhibit some Gram-positive bacteria, some Gram-negative bacteria, and many atypical bacteria. Azithromycin is an azalide which is a type of macrolide antibiotic. It prevents bacteria from growing by interfering in its protein synthesis. Reference standards of Azithromycin API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Azithromycin - Impurity D [catalogue_number] => PA 01 88040 [category_ids] => ,69,76,75,78,70,82, [chemical_name] => [weight] => 765.00 [form] => C38H72N2O13 [cas] => 612069-26-8 [pslug] => 612069-26-8-azithromycin-impurity-d-pa0188040 [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] => 33671 [offers_product_code] => PA 01 88040 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 88040
CAS :
Molecular Formula : C38H72N2O13
Molecular Weight : 765.00
stdClass Object ( [pname] => Azithromycin - Impurity I [catalogue_number] => PA 01 88090 [category_ids] => 91,76,69,82,78,75,70 [chemical_name] => [weight] => 734.96 [form] => C37H70N2O12 [cas] => 172617-84-4 [pslug] => 172617-84-4-azithromycin-impurity-i-pa0188090 [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] => 33677 [offers_product_code] => PA 01 88090 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 88090
Molecular Formula : C37H70N2O12
Molecular Weight : 734.96
stdClass Object ( [pname] => Azithromycin - Impurity J (Freebase) [catalogue_number] => PA 01 88100 [category_ids] => 91,69,70,78,82,76,75 [chemical_name] => [weight] => 590.79 [form] => C30H58N2O9 [cas] => 117693-41-1 [pslug] => 117693-41-1-azithromycin-impurity-j-freebase-pa0188100 [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] => 33678 [offers_product_code] => PA 01 88100 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 88100
Molecular Formula : C30H58N2O9
Molecular Weight : 590.79
stdClass Object ( [pname] => Azithromycin N-Ethyl [catalogue_number] => PA 01 88530 [category_ids] => ,91,69,76,75,78,70,82, [chemical_name] => [weight] => 763.01 [form] => C39H74N2O12 [cas] => 92594-45-1 [pslug] => 92594-45-1-azithromycin-n-ethyl-pa0188530 [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] => 33690 [offers_product_code] => PA 01 88530 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 88530
Molecular Formula : C39H74N2O12
Molecular Weight : 763.01
stdClass Object ( [pname] => Azithromycin - Impurity Q [catalogue_number] => PA 01 88170 [category_ids] => ,78,75,70,76,82, [chemical_name] => [weight] => 918.15 [form] => C44H75N3O15S [cas] => 2095879-65-3 [pslug] => 2095879-65-3-3-n-4-acetylamino-phenyl-sulfonyl-3-n-n-didemethyl-azithromycin-pa0188170 [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] => 33688 [offers_product_code] => PA 01 88170 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 88170
Molecular Formula : C44H75N3O15S
Molecular Weight : 918.15
stdClass Object ( [pname] => N-Nitroso Azithromycin [catalogue_number] => PA 01 0881009 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 763.97 [form] => C37H69N3O13 [cas] => NA [pslug] => n-nitroso-azithromycin-pa010881009 [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] => 32988 [offers_product_code] => PA 01 0881009 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 01 0881009
Molecular Formula : C37H69N3O13
Molecular Weight : 763.97
stdClass Object ( [pname] => Azithromycin - Impurity H [catalogue_number] => PA 01 88080 [category_ids] => 69,76,75,82,78,70 [chemical_name] => [weight] => 932.17 [form] => C45H77N3O15S [cas] => 612069-30-4 [pslug] => 612069-30-4-azithromycin-impurity-h-pa0188080 [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 01 88080
Molecular Formula : C45H77N3O15S
Molecular Weight : 932.17
stdClass Object ( [pname] => N-Desmethyl Azithromycin B [catalogue_number] => PA 01 88520 [category_ids] => ,91,69,76,75,78,70,82, [chemical_name] => [weight] => 718.96 [form] => C37H70N2O11 [cas] => 857078-26-3 [pslug] => 857078-26-3-n-desmethyl-azithromycin-b-pa0188520 [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 01 88520
Molecular Formula : C37H70N2O11
Molecular Weight : 718.96
stdClass Object ( [pname] => Descladinose Azithromycin-d3 [catalogue_number] => PA STI 027180 [category_ids] => ,69,70,75,76,78,82,91,98, [chemical_name] => [weight] => 593.81 [form] => C30H55D3N2O9 [cas] => 2714432-16-1 [pslug] => 2714432-16-1-descladinose-azithromycin-d3-pasti027180 [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 027180
Molecular Formula : C30H55D3N2O9
Molecular Weight : 593.81
stdClass Object ( [pname] => 12-Deoxyerythromycin 9-Oxime [catalogue_number] => PA 01 0881000 [category_ids] => ,75,76,78,82, [chemical_name] => [weight] => 732.95 [form] => C37H68N2O12 [cas] => 53274-43-4 [pslug] => 53274-43-4-12-deoxyerythromycin-9-oxime-pa010881000 [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 01 0881000
Molecular Formula : C37H68N2O12
Molecular Weight : 732.95
stdClass Object ( [pname] => Azaerythromycin A 11,12-Hydrogen Borate [catalogue_number] => PA 01 0881001 [category_ids] => ,78,75,76,82, [chemical_name] => [weight] => 760.77 [form] => C37H69BN2O13 [cas] => 194809-66-0 [pslug] => 194809-66-0-azaerythromycin-a-11-12-hydrogen-borate-pa010881001 [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 01 0881001
Molecular Formula : C37H69BN2O13
Molecular Weight : 760.77
stdClass Object ( [pname] => 9a-aza-9a-homo erythromycin A [catalogue_number] => PA 01 0881002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 748.95 [form] => C37H68N2O13 [cas] => 76820-32-1 [pslug] => 76820-32-1-9a-aza-9a-homo-erythromycin-a-pa010881002 [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 01 0881002
Molecular Formula : C37H68N2O13
Molecular Weight : 748.95
stdClass Object ( [pname] => (2R,3R,4S,6R)-4-(Dimethylamino)-6-methyltetrahydro-2H-pyran-2,3-diol [catalogue_number] => PA 01 0881003 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 175.23 [form] => C8H17NO3 [cas] => 57794-18-0 [pslug] => 57794-18-0-2r-3r-4s-6r-4-dimethylamino-6-methyltetrahydro-2h-pyran-2-3-diol-pa010881003 [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 01 0881003
Molecular Formula : C8H17NO3
Molecular Weight : 175.23
stdClass Object ( [pname] => (4R,5S,6S)-4-Methoxy-4,6-dimethyltetrahydro-2H-pyran-2,5-diol [catalogue_number] => PA 01 0881004 [category_ids] => ,70,75,76,78,82, [chemical_name] => [weight] => 176.21 [form] => C8H16O4 [cas] => 2089577-97-7 [pslug] => 2089577-97-7-4r-5s-6s-4-methoxy-4-6-dimethyltetrahydro-2h-pyran-2-5-diol-pa010881004 [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 01 0881004
Molecular Formula : C8H16O4
Molecular Weight : 176.21
stdClass Object ( [pname] => (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10,11,13-pentahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one [catalogue_number] => PA 01 0881005 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 433.59 [form] => C22H43NO7 [cas] => 117693-42-2 [pslug] => 117693-42-2-2r-3s-4r-5r-8r-10r-11r-12s-13s-14r-2-ethyl-3-4-10-11-13-pentahydroxy-3-5-6-8-10-12-14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one-pa010881005 [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 01 0881005
Molecular Formula : C22H43NO7
Molecular Weight : 433.59
stdClass Object ( [pname] => (2R,3S,4R,5R,8R,10R,11R,12R,13S,14R)-2-ethyl-3,4,10,11-tetrahydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one [catalogue_number] => PA 01 0881006 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 591.78 [form] => C30H57NO10 [cas] => 1914946-68-1 [pslug] => 1914946-68-1-2r-3s-4r-5r-8r-10r-11r-12r-13s-14r-2-ethyl-3-4-10-11-tetrahydroxy-13-2r-4r-5s-6s-5-hydroxy-4-methoxy-4-6-dimethyltetrahydro-2h-pyran-2-yl-oxy-3-5-6-8-10-12-14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one-pa010881006 [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 01 0881006
Molecular Formula : C30H57NO10
Molecular Weight : 591.78
stdClass Object ( [pname] => (3aS,4R,7R,8S,9S,10R,11R,13R,16R,16aR)-10-(((2S,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-4-ethyl-2,11-dihydroxy-8-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3a,7,9,11,13,15,16-heptamethyldodecahydro-[1,3,2]dioxaborolo[4,5-c][1]oxa[6]azacyclopentadecin-6(4H)-one [catalogue_number] => PA 01 0881007 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 774.8 [form] => C38H71BN2O13 [cas] => NA [pslug] => 3as-4r-7r-8s-9s-10r-11r-13r-16r-16ar-10-2s-4s-6r-4-dimethylamino-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl-oxy-4-ethyl-2-11-dihydroxy-8-2r-4r-5s-6s-5-hydroxy-4-methoxy-4-6-dimethyltetrahydro-2h-pyran-2-yl-oxy-3a-7-9-11-13-15-16-heptamethyldodecahydro-1-3-2-dioxaborolo-4-5-c-1-oxa-6-azacyclopentadecin-6-4h-one-pa010881007 [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 01 0881007
Molecular Formula : C38H71BN2O13
Molecular Weight : 774.8
stdClass Object ( [pname] => 3’-N-Demethyl-3’-N- (phenylsulfonyl) azithromycin [catalogue_number] => PA 01 0881008 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 875.13 [form] => C43H74N2O14S [cas] => NA [pslug] => 3-n-demethyl-3-n-phenylsulfonyl-azithromycin-pa010881008 [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 01 0881008
Molecular Formula : C43H74N2O14S
Molecular Weight : 875.13
stdClass Object ( [pname] => Azithromycin (IPRSA013) [catalogue_number] => PA IPRSA013 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => NA [form] => NA [cas] => NA [pslug] => azithromycin-iprsa013-paiprsa013 [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 IPRSA013
Molecular Formula : NA
Molecular Weight : NA
stdClass Object ( [pname] => (3R,4S,5R,6R,9R,10S,11S,12R,15R,Z)-12-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-ethyl-4-hydroxy-10-(((4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3,5,9,11,13,15-hexamethyl-7,16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one [catalogue_number] => PA 01 0881011 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 714.94 [form] => C37H66N2O11 [cas] => NA [pslug] => 3r-4s-5r-6r-9r-10s-11s-12r-15r-z-12-2s-3r-4s-6r-4-dimethylamino-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl-oxy-6-ethyl-4-hydroxy-10-4r-5s-6s-5-hydroxy-4-methoxy-4-6-dimethyltetrahydro-2h-pyran-2-yl-oxy-3-5-9-11-13-15-hexamethyl-7-16-dioxa-2-azabicyclo-11-2-1-hexadec-1-en-8-one-pa010881011 [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 01 0881011
Molecular Formula : C37H66N2O11
Molecular Weight : 714.94
stdClass Object ( [pname] => (Z)-12-((4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-6-ethyl-4,5,10-trihydroxy-3,5,9,11,13,15-hexamethyl-7,16-dioxa-2-azabicyclo[11.2.1]hexadec-1-en-8-one [catalogue_number] => PA 01 0881012 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 572.74 [form] => C29H52N2O9 [cas] => 111247-91-7 [pslug] => 111247-91-7-z-12-4-dimethylamino-3-hydroxy-6-methyltetrahydro-2h-pyran-2-yl-oxy-6-ethyl-4-5-10-trihydroxy-3-5-9-11-13-15-hexamethyl-7-16-dioxa-2-azabicyclo-11-2-1-hexadec-1-en-8-one-pa010881012 [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 01 0881012
Molecular Formula : C29H52N2O9
Molecular Weight : 572.74
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