C38H72N2O12
749 g/mol
APIDanger
Azithromycin
CAS83905-01-5
Category
API
Compound Class
Natural Product
Primary Use
Pharmaceutical Raw Material
Azithromycin is a macrolide antibiotic active pharmaceutical ingredient used in the manufacture of medications for bacterial infections. It is commonly supplied as a raw material for pharmaceutical formulations targeting respiratory, gastrointestinal, and sexually transmitted infections.
Pharmaceutical raw material for antibiotic medicationsCompound used in manufacturing treatments for bacterial infectionsActive ingredient in formulations for respiratory and gastrointestinal infections
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Azithromycin dihydrate
CAS117772-70-0
pharmaceutical raw material
StrongSame Parent
Azithromycin monohydrate
CAS121470-24-4
pharmaceutical raw material
StrongStructure SimilarSimilarity 0.88
Azithromycin c
CAS620169-47-3
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.83
Azithromycin b
CAS307974-61-4
pharmaceutical raw material
ReferenceSame Category
Lisinopril dihydrate
CAS83915-83-7
pharmaceutical raw material
ReferenceSame Category
Mometasone furoate
CAS83919-23-7
pharmaceutical raw material
ReferenceSame Category
Somatorelin
CAS83930-13-6
pharmaceutical raw material
ReferenceSame Category
Cariprazine
CAS839712-12-8
pharmaceutical raw material
Safety Reference
Danger
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H372Causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for Azithromycin (CAS 83905-01-5) is 2941.90.
HS code (international, 6-digit)
2941.90
EU CN code (8-digit)
2941 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
InChIKey
MQTOSJVFKKJCRP-BICOPXKESA-N
SMILES
CC[C@@H]1[C@@]([C@@H]([C@H](N(C[C@@H](C[C@@]([C@@H]([C@H]([C@@H]([C@H](C(=O)O1)C)O[C@H]2C[C@@]([C@H]([C@@H](O2)C)O)(C)OC)C)O[C@H]3[C@@H]([C@H](C[C@H](O3)C)N(C)C)O)(C)O)C)C)C)O)(C)O
Synonyms (102)
- A-9941
- ZIT
- Azithromycin (INN)
- Azithromycin Identity, United States Pharmacopeia (USP)
- Azithromycin [EP monograph]
- Azithromycin for peak identification, European Pharmacopoeia (EP)
- Azithromycin for system suitability, European Pharmacopoeia (EP)
- Azithromycin, European Pharmacopoeia (EP)
- Anhydrous azithromycin
- Aritromicina
- Aritromicina [Spanish]
- Aruzilina
- Azadose
- Azasite
- Azasite (TN)
- Azenil
- Azifast
- Azigram
- Azimakrol
- Azithramycine
- Azithrocin
- Azithromycin (Zithromax)
- Azithromycin (as dihydrate)
- Azithromycin CRS
- Azithromycin hydrate
- Azithromycine
- Azithromycine [French]
- Azithromycinum
- Azithromycinum [Latin]
- Azitrocin
- Azitromicina
- Azitromicina [Spanish]
- Azitromicine
- Azitromin
- Aziwin
- Aziwok
- Aztrin
- Azyter
- Azythromycin
- CP-62,993
- Clamelle
- Dihydrate, Azithromycin
- DuraSite
- Hemomycin
- Macrozit
- Mixoterin
- Monohydrate, Azithromycin
- Ribotrex;
- Setron
- Spiramycin CRS
- Sumamed
- Sunamed
- Tobil
- Toraseptol
- Trezid;
- Trozocina
- Trulimax
- Ultreon
- Xithrone
- Z-Pak
- Z-Pak (Azithromycin)
- Zentavion
- Zeto
- Zifin
- Zithrax
- Zithromac
- Zithromax
- Zithromax IV
- Zithromycin
- Zitrim
- Zitromax
- Zitromax Avium 600
- Zitrotek
- Zmas
- Zmax
- Zmax SR
- Zythromax
- aziromycin
- azithromycin
- azithromycin anhydrous
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