C4H6N4O3S2
222.3 g/mol
APIWarning
Acetazolamide
CAS59-66-5EC200-440-5
Category
API
Compound Class
Amide
Primary Use
Pharmaceutical Raw Material
Acetazolamide is a pharmaceutical active ingredient used in research and manufacturing. Its structure includes an amide and a heterocyclic ring, and it is studied for its solid-state properties, including polymorphism.
pharmaceutical manufacturingresearch on polymorphism
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 59-66-5
Related Compounds
ReferenceSame Category
Nicotinic acid
CAS59-67-6
pharmaceutical raw material
ReferenceSame Category
Nitrofurazone
CAS59-87-0
pharmaceutical raw material
ReferenceSame Category
L-dopa zwitterion
CAS59-92-7
pharmaceutical raw material
ReferenceSame Category
Tolazoline hydrochloride
CAS59-97-2
pharmaceutical raw material
Referencestereoisomer of
N-(5-Sulfamoyl-1,3,4-thiadiazol-2-yl)(²H₃)acetamide
CAS1189904-01-5
research compound
Referencesame scaffold
5-acetamido-1,3,4-thiadiazole-2-sulfonic acid
CAS827026-60-8
pharmaceutical intermediate
Referencesame scaffold
Sulfohydrazide
CAS32873-57-7
pharmaceutical intermediate
Referencesame scaffold
N-(5-chloro-1,3,4-thiadiazol-2-yl)acetamide
CAS60320-32-3
pharmaceutical intermediate
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H360May damage fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
Regulatory Compliance1
- California Proposition 65USRegulation
Customs Tariff Classification
The international HS code for Acetazolamide (CAS 59-66-5) is 2935.90.
HS code (international, 6-digit)
2935.90
EU CN code (8-digit)
2935 90 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
N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)acetamide
InChIKey
BZKPWHYZMXOIDC-UHFFFAOYSA-N
SMILES
CC(=O)NC1=NN=C(S1)S(=O)(=O)N
Synonyms (99)
- Acetazolamida [INN-Spanish]
- Acetazolamide (JP18/USP/INN)
- Acetazolamide for system suitability, European Pharmacopoeia (EP)
- Acetazolamide, European Pharmacopoeia (EP)
- Acetazolamide, United States Pharmacopeia (USP)
- Acetazolamidum [INN-Latin]
- 1azm
- 1jd0
- 1yda
- 1ydb
- 1ydd
- 1zsb
- 2h4n
- 2uy4
- 2xtk
- 3czv
- 3dc3
- 3hs4
- 3ml5
- 3ucj
- 4-Diamox
- 4g0c
- ACETAZOLAMIDE [MART.]
- Acerazolamide, AAZ
- Acetamox
- Acetazolamid
- Acetazolamida
- Acetazolamide (AAZ)
- Acetazolamide (Standard)
- Acetazolamide CRS
- Acetazolamide RS
- Acetazolamide, 5
- Acetazolamide, >=99%, powder
- Acetazolamide, AZA
- Acetazolamide, AZM
- Acetazolamidum
- Acetazolamine
- Acetazoleamide
- Acetozalamide
- AkZol
- ApoAcetazolamide
- Atenezo
- Atenezol
- Cidamex
- Defiltran
- Dehydratin
- Diacarb
- Diakarb
- Diamox
- Diamox (TN)
- Diamox Sequels
- Diamox sr
- Didoc
- Diluran
- Diuramid
- Diureticum-holzinger
- Diuriwas
- Diutazol
- Donmox
- Duiramid
- Edemox
- Eumicton
- Eytazox
- Fonurit
- Glaumox
- Glaupax
- Glupax
- HumaZolamide
- Natrionex
- Nephramid
- Nephramide
- Phonurit
- SK-acetazolamide
- Vetamox
- acetazolamide