Respiratory Drugs Hormones and the Endocrine System Antipyretic analgesics Antiallergic drugs Antiparasitic drugs Antibiotics Antineoplastic agents Anesthetic Agents Urinary System Drugs Other Chemical drugs Synthetic Anti-infective Drugs Nervous system drugs Fluid, Electrolyte, and Acid-Base Balance Vitamins and Minerals medicines Digestive system drugs Blood System Drugs Circulatory system drugs Diagnostic agents Specialty drugs Drug metabolism Feed Additive Anti-stress drugs Heat-clearing prescription Common vaccine and bacterin Disease-resistant serum Animal Diagnostic Biologicals Drugs Influencing Immune Function Veterinary raw materials Inhibitors
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API

Respiratory Drugs Hormones and the Endocrine System Antipyretic analgesics Antiallergic drugs Antiparasitic drugs Antibiotics Antineoplastic agents Anesthetic Agents Urinary System Drugs Other Chemical drugs Synthetic Anti-infective Drugs Nervous system drugs Fluid, Electrolyte, and Acid-Base Balance Vitamins and Minerals medicines Digestive system drugs Blood System Drugs Circulatory system drugs Diagnostic agents Specialty drugs Drug metabolism Feed Additive Anti-stress drugs Heat-clearing prescription Common vaccine and bacterin Disease-resistant serum Animal Diagnostic Biologicals Drugs Influencing Immune Function Veterinary raw materials Inhibitors
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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:
2-bromo-3-methyl-phenol
CAS:
22061-78-5
MF:
C7H7BrO
Structure:
Chemical Name:
Cefovecin sodium
CAS:
141195-77-9
MF:
C17H18N5NaO6S2
Structure:
Chemical Name:
Glycopyrronium Bromide
CAS:
51186-83-5
MF:
C19H28NO3.Br
Structure:
Chemical Name:
Diclofensine
CAS:
67165-56-4
MF:
C17H17Cl2NO
Structure:
Chemical Name:
Tesmilifene
CAS:
98774-23-3
MF:
C19H25NO
Structure:
Chemical Name:
Hydroxymethane hydrochloride
MF:
CH5ClO
Chemical Name:
Malemicamine and premix
Structure:
Chemical Name:
Brimonidine
CAS:
59803-98-4
MF:
C11H10BrN5
Structure:
Chemical Name:
Sevelamer hydrochloride
CAS:
152751-57-0
MF:
C6H13Cl2NO
Structure:
Chemical Name:
Methasterone
CAS:
3381-88-2
MF:
C21H34O2
Chemical Name:
BETA-GLUCAN
CAS:
160872-27-5
Structure:
Chemical Name:
PAGOCLONE
CAS:
133737-32-3
MF:
C23H22ClN3O2
Structure:
Chemical Name:
PLECONARIL
CAS:
153168-05-9
MF:
C18H18F3N3O3
Structure:
Chemical Name:
(6R-trans)-7-amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
CAS:
58909-56-1
MF:
C12H13N5O5S2
Structure:
Chemical Name:
Maytansine
CAS:
35846-53-8
MF:
C34H46ClN3O10
Chemical Name:
Polydeoxyribonucleotides(PDRN)
Structure:
Chemical Name:
POTASSIUM MANGANATE
CAS:
10294-64-1
MF:
H3KMnO4
Structure:
Chemical Name:
Dextran
CAS:
9004-54-0
MF:
C17H32O10
Chemical Name:
Alprazolam
Structure:
Chemical Name:
Taurolidine
CAS:
19388-87-5
MF:
C7H16N4O4S2
Structure:
Chemical Name:
chromium gluconate
MF:
C18H33CrO21
Structure:
Chemical Name:
Basifungin
CAS:
127785-64-2
MF:
C60H92N8O11
Chemical Name:
Salmon calcitonin
Structure:
Chemical Name:
Hydrocortisone
CAS:
74050-20-7
MF:
C26H36O7
Structure:
Chemical Name:
Atipamezole hydrochloride
CAS:
104075-48-1
MF:
C14H16N2.HCl
Chemical Name:
Panitumumab
CAS:
339177-26-3
Chemical Name:
CAFESTOL(RG)
MF:
CH3OC6H4CH2OH
Structure:
Chemical Name:
Enclomiphene
CAS:
15690-57-0
MF:
C26H28ClNO
Structure:
Chemical Name:
Diclazepam
CAS:
2894-68-0
MF:
C16H12Cl2N2O
Structure:
Chemical Name:
2-Pyridineacetamide, N-[4-[4-(4-morpholinyl)-7H-pyrrolo[2,3-d]pyrimidin-6-yl]phenyl]-4-[(3R)-3-[(1-oxo-2-butyn-1-yl)amino]-1-piperidinyl]-
CAS:
2448172-10-7
MF:
C32H34N8O3
Structure:
Chemical Name:
Etonogestrel
CAS:
54048-10-1
MF:
C22H28O2
Structure:
Chemical Name:
Tecovirimat
CAS:
816458-31-8
MF:
C19H15F3N2O3
Chemical Name:
Compound betaine
Structure:
Chemical Name:
Butanedioicacid,2-hydroxy-,compd.with7-[(3S,5S)-3-amino-5-methyl-1-piperidinyl]-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylicacid
CAS:
951163-60-3
MF:
C20H25N3O4.C4H6O5
Structure:
Chemical Name:
Bromfenac Sodium
CAS:
120638-55-3
MF:
C15H11BrNNaO3
Structure:
Chemical Name:
Cetuximab
CAS:
205923-56-4
MF:
C107H179N35O36S7
Chemical Name:
Denosumab
CAS:
615258-40-7
MF:
C6404H9912N1724O2004S50
Chemical Name:
Unii-p9vxv1408y
CAS:
866021-48-9
Structure:
Chemical Name:
Niraparib
CAS:
1038915-60-4
MF:
C19H20N4O
Structure:
Chemical Name:
Ferric carboxymaltose
CAS:
9007-72-1
MF:
C39H63FeO39
Structure:
Chemical Name:
LCZ696 InteMediate
CAS:
1426129-50-1
MF:
C20H25NO3
Structure:
Chemical Name:
(S)-Flurbiprofen
CAS:
51543-39-6
MF:
C15H13FO2
Structure:
Chemical Name:
vericiguat
CAS:
1350653-20-1
MF:
C19H16F2N8O2
Structure:
Chemical Name:
Acetyl tetrapeptide 15
CAS:
928007-64-1
MF:
C34H39N5O6
Chemical Name:
ACE 031
Structure:
Chemical Name:
Nifekalant hydrochloride
CAS:
130656-51-8
MF:
C19H28ClN5O5
Structure:
Chemical Name:
Metenolone
CAS:
153-00-4
MF:
C20H30O2
Structure:
Chemical Name:
LOXO-195
CAS:
2097002-61-2
MF:
C20H21FN6O
Structure:
Chemical Name:
Isoflurane
CAS:
26675-46-7
MF:
C3H2ClF5O
Structure:
Chemical Name:
1-(2-Hydroxyethyl)piperazine
CAS:
103-76-4
MF:
C6H14N2O
Structure:
Chemical Name:
Methenolone acetate
CAS:
434-05-9
MF:
C22H32O3
Structure:
Chemical Name:
Rimegepant sulfate
CAS:
1374024-48-2
MF:
C28H30F2N6O7S
Structure:
Chemical Name:
Molnupiravir
CAS:
2349386-89-4
MF:
C13H19N3O7
Chemical Name:
Titanium dioxide TR81
Chemical Name:
Florfenicol soluble powder
Structure:
Chemical Name:
MSI-1436
CAS:
186139-09-3
MF:
C37H72N4O5S
Structure:
Chemical Name:
Revefenacin
CAS:
864750-70-9
MF:
C35H43N5O4
Chemical Name:
"Desloratadine Citrate Disodium"
Structure:
Chemical Name:
Amino-PEG24-acid
CAS:
2241751-76-6
MF:
C75H151NO38
Structure:
Chemical Name:
Nusinersen
CAS:
1258984-36-9
MF:
C234H340N61O128P17S17
Structure:
Chemical Name:
INCB28060 Dihydrochloride
CAS:
1197376-85-4
MF:
C23H18ClFN6O
Structure:
Chemical Name:
BENZIMIDAVIR
CAS:
176161-24-3
MF:
C15H19Cl2N3O4
Structure:
Chemical Name:
Adrenalone hydrochloride
CAS:
62-13-5
MF:
C9H12ClNO3
Structure:
Chemical Name:
Oxiconazole
CAS:
64211-45-6
MF:
C18H13Cl4N3O
Structure:
Chemical Name:
N-BENZYLOXYCARBONYL-3-FLUORO-4-MORPHOLINOANILINE
CAS:
168828-81-7
MF:
C18H19FN2O3
Structure:
Chemical Name:
Isoflupredone
CAS:
338-95-4
MF:
C21H27FO5
Structure:
Chemical Name:
Rosuvastatin sodium
CAS:
147098-18-8
MF:
C22H29FN3NaO6S
Structure:
Chemical Name:
Tigilanol tiglate
CAS:
943001-56-7
MF:
C30H42O10
Structure:
Chemical Name:
CLENBUTEROL D9
CAS:
129138-58-5
MF:
C12H9Cl2D9N2O
Structure:
Chemical Name:
Sotorasib
CAS:
2296729-00-3
MF:
C30H30F2N6O3
Chemical Name:
Aluminium sulfate grain
Structure:
Chemical Name:
Vardenafil hydrochloride
CAS:
224785-91-5
MF:
C23H33ClN6O4S
Structure:
Chemical Name:
Retinal
CAS:
116-31-4
MF:
C20H28O
Chemical Name:
Vitamin B12 (hydrate)
CAS:
194937-59-2
MF:
C63H88CoN14O14P· XH2O
Chemical Name:
SERICIN
CAS:
60650-88-6
Structure:
Chemical Name:
SUGAMMADEX
CAS:
343306-71-8
MF:
C72H112O48S8
Chemical Name:
VitaminK2(35)0.13%Powder
CAS:
27670-94-6
MF:
C46H64O2
Chemical Name:
BoldenoneAcetateBase
CAS:
846-46-0
Structure:
Chemical Name:
Favipiravir
CAS:
259793-96-9
MF:
C5H4FN3O2
Structure:
Chemical Name:
Anidulafungin
CAS:
166663-25-8
MF:
C58H73N7O17
Structure:
Chemical Name:
IBUPROFENPICONOL
CAS:
112017-99-9
MF:
C19H23NO2
Structure:
Chemical Name:
R-(+)-Lansoprazole
CAS:
138530-94-6
MF:
C16H14F3N3O2S
Structure:
Chemical Name:
epothilone F
CAS:
208518-52-9
MF:
C27H41NO7S
Structure:
Chemical Name:
Chromium picolinate
CAS:
15713-60-7
MF:
CrC18H12N3O6
Structure:
Chemical Name:
Tildipirosin
CAS:
328898-40-4
MF:
C41H71N3O8
Structure:
Chemical Name:
Medrogestone
CAS:
977-79-7
MF:
C23H32O2
Structure:
Chemical Name:
Menaquinone 7
CAS:
2124-57-4
MF:
C46H64O2
Structure:
Chemical Name:
REMODULIN
CAS:
81846-19-7
MF:
C23H34O5
Structure:
Chemical Name:
4-[2-[(1S,2R,4aS,7S,8aR)-4a-[(Acetyloxy)methyl]-1,2,3,4,4a,7,8,8a-octahydro-7-hydroxy-5-(hydroxymethyl)-1,2-dimethyl-1-naphthalenyl]ethyl]-2(5H)-furanone
CAS:
125675-09-4
MF:
C22H32O6
Structure:
Chemical Name:
ReMogliflozin etabonate
CAS:
442201-24-3
MF:
C26H38N2O9
Structure:
Chemical Name:
Mertansine
CAS:
139504-50-0
MF:
C35H48ClN3O10S
Structure:
Chemical Name:
afoxolaner
CAS:
1093861-60-9
MF:
C26H17ClF9N3O3
Structure:
Chemical Name:
ALDIOXA
CAS:
5579-81-7
MF:
C4H7AlN4O5
Structure:
Chemical Name:
Bempedoic acid
CAS:
738606-46-7
MF:
C19H36O5
Structure:
Chemical Name:
Voxelotor
CAS:
1446321-46-5
MF:
C19H19N3O3
Structure:
Chemical Name:
m-(1-Cyanoethyl)benzoic acid
CAS:
5537-71-3
MF:
C10H9NO2
Structure:
Chemical Name:
Mobocertinib
CAS:
1847461-43-1
MF:
C32H39N7O4
Chemical Name:
NA-Selank
Structure:
Chemical Name:
Colesevelam
CAS:
182815-44-7
MF:
C31H66Cl2N4O
Chemical Name:
Fenasi