C6H9N3O3
171.15 g/mol
APIDanger
Metronidazole
CAS443-48-1EC207-136-1
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Metronidazole is a pharmaceutical compound with a nitroimidazole core structure. It is primarily supplied as an active pharmaceutical ingredient for use in pharmaceutical manufacturing and research.
anti-infective agentantiprotozoal agentradiation-sensitizing agent
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 443-48-1
Related Compounds
SimilarStructure SimilarSimilarity 0.82
Imidazole-1-propanol, 2-methyl-5-nitro-, hydrochloride
CAS70028-95-4
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.82
Ternidazole
CAS1077-93-6
pharmaceutical raw material
ReferenceSame Category
CDDO-Im
CAS443104-02-7
pharmaceutical raw material
ReferenceSame Category
Vandetanib
CAS443913-73-3
pharmaceutical raw material
ReferenceSame Category
Pazopanib
CAS444731-52-6
pharmaceutical raw material
ReferenceSame Category
Azathioprine
CAS446-86-6
pharmaceutical raw material
Safety Reference
Danger
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H341Suspected of causing genetic defects
H350May cause cancer
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
H412Harmful to aquatic life with long lasting effects
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Metronidazole (CAS 443-48-1) is 2933.29.
HS code (international, 6-digit)
2933.29
EU CN code (8-digit)
2933 29 90
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
2-(2-methyl-5-nitroimidazol-1-yl)ethanol
InChIKey
VAOCPAMSLUNLGC-UHFFFAOYSA-N
SMILES
CC1=NC=C(N1CCO)[N+](=O)[O-]
Synonyms (177)
- AYRADIA
- CONT
- LIKMEZ
- NIDA
- Metronidazol [INN-Spanish]
- Metronidazole (JP18/USP/INN)
- Metronidazole, British Pharmacopoeia (BP)
- Metronidazole, European Pharmacopoeia (EP)
- Metronidazole, United States Pharmacopeia (USP)
- Metronidazolum [INN-Latin]
- Acromona
- Anabact
- Anagiardil
- Arilin
- Atrivyl
- B7-1, ICAM-1, LFA-3
- Bayer 5360
- Bexon
- CB-01-14 MMX
- Caswell No. 579AA
- Cimetrol 500LPCI
- Clont
- Danizol
- Deflamon
- Deflamon-wirkstoff
- Donnan
- Drazifon
- Efloran
- Elyzol
- Entizol
- Eumin
- Flagemona
- Flagesol
- Flagil
- Flagyl
- Flagyl (TN)
- Flagyl 375
- Flagyl Er
- Flagyl I.V. RTU
- Flagyl I.V. RTU (Salt/Mix)
- Flagyl compak
- Flagyl-s
- Flazol
- Florazole
- Fossyol
- Giatricol
- Gineflavir
- HELIDAC (Salt/Mix)
- Klion
- Klont
- METRONIDAZOLE [MART.]
- Mepagyl
- Meronidal
- Methronidazole
- Metric 21
- Metro I.V.
- Metro cream & gel
- MetroCleanse
- MetroCream
- MetroGel
- MetroGel-Vaginal
- MetroLotion
- Metrolag
- Metrolyl
- Metromidol
- Metronidaz
- Metronidazol
- Metronidazole (Flagyl)
- Metronidazole (Standard)
- Metronidazole CRS
- Metronidazole Micronized
- Metronidazole Oral
- Metronidazole RS
- Metronidazole Topical
- Metronidazole Topical Cream
- Metronidazole Topical Gel
- Metronidazole Vaginal Gel
- Metronidazole, BioXtra
- Metronidazole, VETRANAL(TM)
- Metronidazole250 mg
- Metronidazole250 mg 250 mg
- Metronidazole500 mg
- Metronidazole500 mg 500 mg
- Metronidazolo
- Metronidazolum
- Metroplex
- Metrosa
- Metrotop
- Mexibol
- Mexibol 'silanes'
- Midazol;
- Monagyl
- Monasin
- Nalox
- Neutratop
- Nidagyl
- Noritate
- Noritate (TN)
- Norzol
- Novonidazol
- Nuvessa
- Nuvessa (TN)
- Orvagil
- Polibiotic
- Protostat
- Rathimed
- Rosaclear System
- Rosased
- Rosiced
- Rozex
- Sanatrichom
- Satric
- Takimetol
- Torgyl;
- Trichazol
- Trichex
- Tricho cordes
- Tricho-gynaedron
- Trichobrol
- Trichocide
- Trichomol
- Trichomonacid'pharmachim'
- Trichopal
- Trichopol
- Tricocet
- Tricom
- Tricowas B
- Trikacide
- Trikamon
- Trikhopol
- Trikojol
- Trikozol
- Trimeks
- Trivazol
- Vagilen
- Vagimid
- Vaginyl
- Vandazole
- Vandazole (TN)
- Vertisal
- Wagitran
- Zadstat
- Zidoval
- Zyomet
- metronidazole
- metronidazole vaginal
- neo-Tric