API

Active Pharmaceutical Ingredients (API), popularly  speaking, are the raw materials of medicines, only pharmaceutical raw materials are processed into pharmaceutical preparations , can they become medicines available for clinical use, so drugs we usually eat  are  the finished drugs  through processing.

Active Pharmaceutical Ingredients based on its sources can be divided into two major categories ,including  chemical synthetic drugs and natural chemical drugs.

Chemical  synthetic drugs can be divided into organic synthetic drugs and inorganic  synthetic drugs. Inorganic synthetic drugs are inorganic compounds (  very few is element), such as aluminum hydroxide, magnesium trisilicate which are used for the treatment of gastric and duodenal ulcers ; organic synthetic drugs are mainly composed of  drugs made by  basic organic chemical raw materials, through a series of organic chemical reactions  (such as aspirin, chloramphenicol, caffeine, etc.).

Natural chemical drugs ,based on its sources,can be divided into two categories including biochemical drugs and plant chemical drugs. Antibiotics are generally made by the microbial fermentation,  which belongs to the biochemistry category. A variety of semi-synthetic antibiotics occurs in recent years,which are biosynthesis and chemical synthesis combining products.Among active Pharmaceutical Ingredients, the organic synthetic drugs varieties, yields and values have  the largest proportion,which are  the main pillars of the chemical and pharmaceutical industries. The quality of active Pharmaceutical Ingredients  decides whether the formulation is good or bad , so its quality standards are very strict  ,countries in the world have developed national pharmacopoeia standards and strict quality control methods for its widely used active Pharmaceutical ingredients.

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Structure Chemical Name CAS MF
Nimustine Nimustine 42471-28-3 C9H13ClN6O2
METOCLOPRAMIDE HCL METOCLOPRAMIDE HCL 7232-21-5 C14H23Cl2N3O2
P-AMINOHIPPURIC ACID SODIUM SALT P-AMINOHIPPURIC ACID SODIUM SALT 94-16-6 C9H11N2NaO3
Metaraminol bitartrate Metaraminol bitartrate 33402-03-8 C13H19NO8
Desoxycorticosterone Desoxycorticosterone 64-85-7 C21H30O3
4-BROMO-N-[2-(TBDMSO)ETHYL]BENZENESULFONAMIDE 4-BROMO-N-[2-(TBDMSO)ETHYL]BENZENESULFONAMIDE 850429-52-6 C14H24BrNO3SSi
Bromocriptine mesylate Bromocriptine mesylate 22260-51-1 C33H44BrN5O8S
1-HYDROXY-5-OXO-5H-PYRIDO[3,2-A]PHENOXAZINE-3-CARBOXYLIC ACID MONOSODIUM SALT 1-HYDROXY-5-OXO-5H-PYRIDO[3,2-A]PHENOXAZINE-3-CARBOXYLIC ACID MONOSODIUM SALT 51410-30-1 C16H7N2NaO5
Pinaverium bromide Pinaverium bromide 53251-94-8 C26H41Br2NO4
Losartan carboxylic acid Losartan carboxylic acid 124750-92-1 C22H21ClN6O2
PENTAGASTRIN PENTAGASTRIN 5534-95-2 C37H49N7O9S
NAFTOPIDIL DIHYDROCHLORIDE NAFTOPIDIL DIHYDROCHLORIDE 57149-08-3 C24H30Cl2N2O3
Pentamidine Pentamidine 100-33-4 C19H24N4O2
POTASSIUM ANTIMONY TARTRATE POTASSIUM ANTIMONY TARTRATE 16039-64-8 C4H4KO7Sb.(1/2)H2O
Cefpiramide sodium Cefpiramide sodium 74849-93-7 C25H25N8NaO7S2
N-ISOPROPYL 3-NITROBENZENESULFONAMIDE N-ISOPROPYL 3-NITROBENZENESULFONAMIDE 28860-10-8 C9H12N2O4S
Novobiocin Novobiocin 303-81-1 C31H36N2O11
Cefoperazone Cefoperazone 62893-19-0 C25H27N9O8S2
DODECYL METHANETHIOSULFONATE DODECYL METHANETHIOSULFONATE C13H28O2S2
Dicloxacillin sodium Dicloxacillin sodium 13412-64-1 C19H20Cl2N3NaO6S
DESIPRAMINE HYDROCHLORIDE DESIPRAMINE HYDROCHLORIDE 58-28-6 C18H23ClN2
Fulvic acid Fulvic acid 479-66-3 C14H12O8
proxymetacaine proxymetacaine 499-67-2 C16H26N2O3
Maduramicin Maduramicin 61991-54-6 C47H80O17.H3N
DOXEPIN DOXEPIN 1668-19-5 C19H21NO
N-Demethyl Rifampin N-Demethyl Rifampin 13292-45-0 C42H56N4O12
Calcitonin Calcitonin 9007-12-9 C145H240N44O48S2
N-(2,4-Dimethylphenyl) 2-bromobenzenesulfonamide N-(2,4-Dimethylphenyl) 2-bromobenzenesulfonamide 941294-29-7 C14H14BrNO2S
MIDECAMYCIN MIDECAMYCIN 35457-80-8 C41H67NO15
3-BROMO-N-BUTYLBENZENESULPHONAMIDE 3-BROMO-N-BUTYLBENZENESULPHONAMIDE 871269-09-9 C10H14BrNO2S
LEVOBUNOLOL LEVOBUNOLOL 47141-42-4 C17H25NO3
Cyclofenil Cyclofenil 2624-43-3 C23H24O4
Evening primrose oil Evening primrose oil 90028-66-3
Sodium fusidate Sodium fusidate 751-94-0 C31H49NaO6
Tebipenem Tebipenem 161715-21-5 C16H21N3O4S2
Emetine dihydrochloride Emetine dihydrochloride 316-42-7 C29H42Cl2N2O4
Vonoprazan FuMarate Vonoprazan FuMarate 881681-01-2 C21H20FN3O6S
Amiodarone Amiodarone 1951-25-3 C25H29I2NO3
Squalene Squalene 7683-64-9 C30H50
4-(2-HYDROXYETHYLSULFAMOYL)PHENYLBORONIC ACID 4-(2-HYDROXYETHYLSULFAMOYL)PHENYLBORONIC ACID 850568-77-3 C8H12BNO5S
Auranofin Auranofin 34031-32-8 C20H34AuO9PS
Iopamidol Iopamidol 60166-93-0 C17H22I3N3O8
Acebutolol Acebutolol 37517-30-9 C18H28N2O4
MERBROMIN MERBROMIN 129-16-8 C20H11Br2HgNaO6
Fludrocortisone acetate Fludrocortisone acetate 514-36-3 C23H31FO6
Josamycin Josamycin 16846-24-5 C42H69NO15
RITODRINE RITODRINE 26652-09-5 C17H21NO3
Indeloxazine hydrochloride Indeloxazine hydrochloride 65043-22-3 C14H18ClNO2
Calcium folinatc Calcium folinatc 6035-45-6 C20H27CaN7O8
5-BROMO-N-CYCLOPROPYL-2-METHOXYBENZENESULPHONAMIDE 97 5-BROMO-N-CYCLOPROPYL-2-METHOXYBENZENESULPHONAMIDE 97 914302-35-5 C10H12BrNO3S
METHICILLIN SODIUM (500 MG) (AS) METHICILLIN SODIUM (500 MG) (AS) 7246-14-2 C17H19N2O6S.Na.H2O
ERYTHROMYCIN LACTOBIONATE (200 MG) ERYTHROMYCIN LACTOBIONATE (200 MG) 3847-29-8 C37H67NO13.C12H22O12
MOXISYLYTE MOXISYLYTE 54-32-0 C16H25NO3
MOXIFLOXACIN, HYDROCHLORIDE MONOHYDRATE MOXIFLOXACIN, HYDROCHLORIDE MONOHYDRATE 192927-63-2 C21H27ClFN3O5
Pentobarbital Pentobarbital 76-74-4 C11H18N2O3
Chlortetracycline Chlortetracycline 57-62-5 C22H23ClN2O8
Leucoson Leucoson 1950-36-3 C14H17NO4S
alpha-(1-Naphthylmethyl)-2-tetrahydrofuranpropionic acid diethylaminoethyl ester oxalate alpha-(1-Naphthylmethyl)-2-tetrahydrofuranpropionic acid diethylaminoethyl ester oxalate 3200-06-4 C26H35NO7
Dihydroartemisinin Dihydroartemisinin 81496-82-4 C15H24O5
Chlorpromazine Chlorpromazine 50-53-3 C17H19ClN2S
Folinic acid Folinic acid 58-05-9 C20H23N7O7
Sodium prasterone sulfate Sodium prasterone sulfate 1099-87-2 C19H27NaO5S
5-BROMO-N,N-DIETHYL-2-METHOXYBENZENESULFONAMIDE 5-BROMO-N,N-DIETHYL-2-METHOXYBENZENESULFONAMIDE 428471-30-1 C11H16BrNO3S
Cloperastine hydrochloride Cloperastine hydrochloride 14984-68-0 C20H25Cl2NO
Sodium pentachlorophenolate Sodium pentachlorophenolate 131-52-2 C6Cl5NaO
Galamustine Galamustine 105618-02-8 C10H19Cl2NO5
Dezocine Dezocine 53648-55-8 C16H23NO
trimetozine trimetozine 635-41-6 C14H19NO5
Clomifene Clomifene 911-45-5 C26H28ClNO
Desfuroyl Ceftiofur Desfuroyl Ceftiofur 120882-22-6 C14H15N5O5S3
CYCLOTHIAZIDE CYCLOTHIAZIDE 2259-96-3 C14H16ClN3O4S2
Trepibutone Trepibutone 41826-92-0 C16H22O6
(R*,S*)-(-)-8-Hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-2(1H)-quinolinone (R*,S*)-(-)-8-Hydroxy-5-(1-hydroxy-2-((1-methylethyl)amino)butyl)-2(1H)-quinolinone 72332-33-3 C16H22N2O3
PEMIROLAST PEMIROLAST 69372-19-6 C10H8N6O
Sulbenicillin sodium Sulbenicillin sodium 28002-18-8 C16H16N2Na2O7S2
Methazolamide Methazolamide 554-57-4 C5H8N4O3S2
N-ETHYL 3-NITROBENZENESULFONAMIDE N-ETHYL 3-NITROBENZENESULFONAMIDE 28860-09-5 C8H10N2O4S
Econazole nitrate Econazole nitrate 68797-31-9 C18H16Cl3N3O4
1-(3-BROMO-4-METHYLPHENYLSULFONYL)PIPERIDINE 1-(3-BROMO-4-METHYLPHENYLSULFONYL)PIPERIDINE 850429-73-1 C12H16BrNO2S
Imatinib (Piperidine)-N-oxide Imatinib (Piperidine)-N-oxide 571186-91-9 C29H31N7O2
Diphenhydramine Diphenhydramine 58-73-1 C17H21NO
N,N-DIMETHYL 3-NITROBENZENESULFONAMIDE N,N-DIMETHYL 3-NITROBENZENESULFONAMIDE 26199-83-7 C8H10N2O4S
Fluoroacetic acid Fluoroacetic acid 144-49-0 C2H3FO2
(r)-budesonide (r)-budesonide 51372-29-3 C25H34O6
Ozagrel sodium Ozagrel sodium 189224-26-8 C13H11N2NaO2
Fenoterol Fenoterol 13392-18-2 C17H21NO4
LYCORINE LYCORINE 476-28-8 C16H17NO4
Afatinib Afatinib 850140-72-6 C24H25ClFN5O3
Ceftezole Ceftezole 26973-24-0 C13H12N8O4S3
Maprotiline hydrochloride Maprotiline hydrochloride 10347-81-6 C20H24ClN
Pravastatin Pravastatin 81093-37-0 C23H36O7
Urapidil hydrochloride Urapidil hydrochloride 64887-14-5 C20H30ClN5O3
Methylergonovine maleate salt Methylergonovine maleate salt 57432-61-8 C24H29N3O6
3-AMINO-N-BENZYLBENZENESULFONAMIDE 3-AMINO-N-BENZYLBENZENESULFONAMIDE 303780-52-1 C13H14N2O2S
IOXITALAMIC ACID IOXITALAMIC ACID 28179-44-4 C12H11I3N2O5
Felodipine Felodipine 86189-69-7 C18H19Cl2NO4
1-(4-Cyano-4-(4-fluorophenyl)cyclohexyl)-3-methyl-4-phenylpiperidine-4-carboxylic acid monohydrochloride 1-(4-Cyano-4-(4-fluorophenyl)cyclohexyl)-3-methyl-4-phenylpiperidine-4-carboxylic acid monohydrochloride 79547-78-7 C26H30ClFN2O2
DIMETHINDENE MALEATE DIMETHINDENE MALEATE 3614-69-5 C24H28N2O4
OXAZEPAM OXAZEPAM 604-75-1 C15H11ClN2O2
METHAQUALONE METHAQUALONE 72-44-6 C16H14N2O
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