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 - Impurity C [catalogue_number] => PA 20 25030 [category_ids] => 79,76,75 [chemical_name] => [weight] => 198.18 [form] => C7H10N4O3 [cas] => 7597-60-6 [pslug] => 7597-60-6-theophylline-impurity-c-pa2025030 [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] => 43140 [offers_product_code] => PA 20 25030 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 20 25030
CAS :
Molecular Formula : C7H10N4O3
Molecular Weight : 198.18
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] => 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] => 43142 [offers_product_code] => PA 20 25050 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
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
Molecular Formula : C6H6N4O2
Molecular Weight : 166.14
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] => 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] => 1-Bromoethyl Acetate [catalogue_number] => PA 20 0251000 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 167 [form] => C4H7BrO2 [cas] => 40258-78-4 [pslug] => 40258-78-4-1-bromoethyl-acetate-pa200251000 [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 0251000
Molecular Formula : C4H7BrO2
Molecular Weight : 167
stdClass Object ( [pname] => 2-Bromoethyl Acetate [catalogue_number] => PA 20 0251001 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 167 [form] => C4H7BrO2 [cas] => 927-68-4 [pslug] => 927-68-4-2-bromoethyl-acetate-pa200251001 [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 0251001
stdClass Object ( [pname] => Ethyl (Z)-3-acetoxybut-2-enoate [catalogue_number] => PA 20 0251002 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 172.18 [form] => C8H12O4 [cas] => 29214-62-8 [pslug] => 29214-62-8-ethyl-z-3-acetoxybut-2-enoate-pa200251002 [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 0251002
Molecular Formula : C8H12O4
Molecular Weight : 172.18
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] => 1,3-Dimethyl-2,6-dioxo-2,3,6,7-tetrahydro-1H-purine-8-sulfonic Acid [catalogue_number] => PA 20 0251004 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 260.22 [form] => C7H8N4O5S [cas] => 5270-31-5 [pslug] => 5270-31-5-1-3-dimethyl-2-6-dioxo-2-3-6-7-tetrahydro-1h-purine-8-sulfonic-acid-pa200251004 [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 0251004
Molecular Formula : C7H8N4O5S
Molecular Weight : 260.22
stdClass Object ( [pname] => 1,3-Dimethyl-9-nitroso-3,9-dihydro-1H-purine-2,6-dione [catalogue_number] => PA 20 0251005 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 209.17 [form] => C7H7N5O3 [cas] => NA [pslug] => 1-3-dimethyl-9-nitroso-3-9-dihydro-1h-purine-2-6-dione-pa200251005 [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 0251005
Molecular Formula : C7H7N5O3
Molecular Weight : 209.17
stdClass Object ( [pname] => N-(6-Amino-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-N-nitrosoformamide [catalogue_number] => PA 20 0251006 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 227.18 [form] => C7H9N5O4 [cas] => NA [pslug] => n-6-amino-1-3-dimethyl-2-4-dioxo-1-2-3-4-tetrahydropyrimidin-5-yl-n-nitrosoformamide-pa200251006 [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 0251006
Molecular Formula : C7H9N5O4
Molecular Weight : 227.18
stdClass Object ( [pname] => 1,3-Dimethyl-7-nitroso-3,7-dihydro-1H-purine-2,6-dione [catalogue_number] => PA 20 0251007 [category_ids] => ,70,75,76,78,82,162, [chemical_name] => [weight] => 209.17 [form] => C7H7N5O3 [cas] => NA [pslug] => 1-3-dimethyl-7-nitroso-3-7-dihydro-1h-purine-2-6-dione-pa200251007 [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 0251007
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