A methyl xanthine derivative, Theophylline is used in the treatment of chronic obstructive pulmonary disease (COPD) and asthma .A competitive nonselective phosphodiesterase inhibitor, Theohylline is found naturally in cocoa plant.Reference standards of Theophylline API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Theophylline [catalogue_number] => PA 20 25000 [category_ids] => ,71,85,83,78,70,82, [chemical_name] => [weight] => 180.16 [form] => C7H8N4O2 [cas] => 58-55-9 [pslug] => 58-55-9-theophylline-api-pa2025000 [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 25000
CAS :
Molecular Formula : C7H8N4O2
Molecular Weight : 180.16
stdClass Object ( [pname] => Theophylline - Impurity A [catalogue_number] => PA 20 25010 [category_ids] => ,79,71,78,70,82, [chemical_name] => [weight] => 194.19 [form] => C8H10N4O2 [cas] => 58-08-2 [pslug] => 58-08-2-theophylline-impurity-a-pa2025010 [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 25010
Molecular Formula : C8H10N4O2
Molecular Weight : 194.19
stdClass Object ( [pname] => Theophylline - Impurity B [catalogue_number] => PA 20 25020 [category_ids] => ,71,85,83,78,70,82, [chemical_name] => [weight] => 166.14 [form] => C6H6N4O2 [cas] => 1076-22-8 [pslug] => 1076-22-8-theophylline-impurity-b-pa2025020 [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 25020
Molecular Formula : C6H6N4O2
Molecular Weight : 166.14
stdClass Object ( [pname] => Theophylline - Impurity D (Hydrochloride Salt) [catalogue_number] => PA 20 25040 [category_ids] => 85,83,71,82,78,70 [chemical_name] => [weight] => 190.63 [form] => C6H11ClN4O [cas] => 116131-08-9 [pslug] => 116131-08-9-theophylline-impurity-d-hydrochloride-salt-pa2025040 [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 25040
Molecular Formula : C6H11ClN4O
Molecular Weight : 190.63
stdClass Object ( [pname] => Theophylline - Impurity E [catalogue_number] => PA 20 25050 [category_ids] => ,71,76,75,78,70,82, [chemical_name] => [weight] => 196.16 [form] => C7H8N4O3 [cas] => 944-73-0 [pslug] => 944-73-0-theophylline-impurity-e-pa2025050 [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 25050
Molecular Formula : C7H8N4O3
Molecular Weight : 196.16
stdClass Object ( [pname] => 1-Methyl Xanthine [catalogue_number] => PA 20 25510 [category_ids] => ,71,76,75,85,83, [chemical_name] => [weight] => 166.14 [form] => C6H6N4O2 [cas] => 6136-37-4 [pslug] => 6136-37-4-1-methyl-xanthine-pa2025510 [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 25510
stdClass Object ( [pname] => 7-Methyl Xanthine [catalogue_number] => PA 20 25520 [category_ids] => ,71,76,75,85,83, [chemical_name] => [weight] => 166.14 [form] => C6H6N4O2 [cas] => 552-62-5 [pslug] => 552-62-5-7-methyl-xanthine-pa2025520 [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 25520
stdClass Object ( [pname] => 7-Ethyl Theophylline [catalogue_number] => PA 20 25530 [category_ids] => ,81,71, [chemical_name] => [weight] => 208.22 [form] => C9H12N4O2 [cas] => 23043-88-1 [pslug] => 23043-88-1-7-ethyl-theophylline-pa2025530 [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 25530
Molecular Formula : C9H12N4O2
Molecular Weight : 208.22
stdClass Object ( [pname] => 1-Methyluric Acid [catalogue_number] => PA 20 25540 [category_ids] => ,71,76,75,85,83, [chemical_name] => [weight] => 182.14 [form] => C6H6N4O3 [cas] => 708-79-2 [pslug] => 708-79-2-1-methyluric-acid-pa2025540 [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 25540
Molecular Formula : C6H6N4O3
Molecular Weight : 182.14
stdClass Object ( [pname] => 1-Methyluric Acid-d3 [catalogue_number] => PA STI 064800 [category_ids] => ,71,98,76,75, [chemical_name] => [weight] => 185.16 [form] => C6H3D3N4O3 [cas] => 1189480-64-5 [pslug] => 1189480-64-5-1-methyluric-acid-d3-pasti064800 [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 064800
Molecular Formula : C6H3D3N4O3
Molecular Weight : 185.16
stdClass Object ( [pname] => Theophylline-1,3-15N2,13C [catalogue_number] => PA STI 082610 [category_ids] => ,71,85,83,78,70,82,98, [chemical_name] => [weight] => 183.14 [form] => C613CH8N215N2O2 [cas] => 1246816-25-0 [pslug] => 1246816-25-0-theophylline-1-3-15n2-13c-pasti082610 [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 082610
Molecular Formula : C613CH8N215N2O2
Molecular Weight : 183.14
stdClass Object ( [pname] => Theophylline-d6 [catalogue_number] => PA STI 082620 [category_ids] => ,71,85,83,78,70,82,98, [chemical_name] => [weight] => 186.20 [form] => C7H2D6N4O2 [cas] => 117490-39-8 [pslug] => 117490-39-8-theophylline-d6-pasti082620 [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 082620
Molecular Formula : C7H2D6N4O2
Molecular Weight : 186.20
stdClass Object ( [pname] => Theophylline-13C2d6 [catalogue_number] => PA STI 082630 [category_ids] => ,71,85,83,78,70,82,98, [chemical_name] => [weight] => 188.19 [form] => C513C2H2D6N4O2 [cas] => 1782458-84-7 [pslug] => 1782458-84-7-theophylline-13c2d6-pasti082630 [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 082630
Molecular Formula : C513C2H2D6N4O2
Molecular Weight : 188.19
stdClass Object ( [pname] => N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide hydrochloride monohydrate [catalogue_number] => PA 20 0251003 [category_ids] => 93,76,75,71,70,78,80,82 [chemical_name] => [weight] => 208.65 [form] => C6H13ClN4O2 [cas] => NA [pslug] => n-methyl-5-methylamino-1h-imidazole-4-carboxamide-hydrochloride-monohydrate-pa200251003 [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 0251003
Molecular Formula : C6H13ClN4O2
Molecular Weight : 208.65
stdClass Object ( [pname] => Theophylline - Impurity D (Freebase) [catalogue_number] => PA 20 0250040 [category_ids] => ,71,85,83,78,70,82, [chemical_name] => [weight] => 154.17 [form] => C6H10N4O [cas] => 6736-40-9 [pslug] => 6736-40-9-theophylline-impurity-d-freebase-pa200250040 [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 0250040
Molecular Formula : C6H10N4O
Molecular Weight : 154.17
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