Sulfamethoxazole sodium

Modify Date: 2026-07-01 11:57:03

Sulfamethoxazole sodium Structure
Sulfamethoxazole sodium structure
Common Name Sulfamethoxazole sodium
CAS Number 4563-84-2 Molecular Weight 275.259
Density N/A Boiling Point N/A
Molecular Formula C10H10N3NaO3S Melting Point N/A
MSDS N/A Flash Point N/A

 Use of Sulfamethoxazole sodium


Sulfamethoxazole sodium (Ro 4-2130 sodium) is a sulfonamide bacteriostatic antibiotic[1]. Sulfamethoxazole sodium is used to treat various urinary tract pathogens and in combination with Trimethoprim is considered the gold standard in the treatment of urinary tract infections (UTIs)[2].

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name sodium N-(5-methylisoxazol-3-yl)sulphanilamidate
Synonym More Synonyms

 Sulfamethoxazole sodium Biological Activity

This table contains bioactivity, target information and biological‑assay experimental data of this compound.

Description Sulfamethoxazole sodium (Ro 4-2130 sodium) is a sulfonamide bacteriostatic antibiotic[1]. Sulfamethoxazole sodium is used to treat various urinary tract pathogens and in combination with Trimethoprim is considered the gold standard in the treatment of urinary tract infections (UTIs)[2].
Related Catalog
References

[1]. Straub JO, et al. Aquatic environmental risk assessment for human use of the old antibiotic sulfamethoxazole in Europe. Environ Toxicol Chem. 2016 Apr;35(4):767-79.

[2]. Choonara BF, et al. A menthol-based solid dispersion technique for enhanced solubility and dissolution of sulfamethoxazole from an oral tablet matrix. AAPS PharmSciTech. 2015 Aug;16(4):771-86.

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Molecular Formula C10H10N3NaO3S
Molecular Weight 275.259
Exact Mass 275.034058
PSA 111.80000
LogP 3.01430
InChIKey LARLNXOUTTUXPN-UHFFFAOYSA-N
SMILES Cc1cc([N-]S(=O)(=O)c2ccc(N)cc2)no1.[Na+]
Storage condition -20℃

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

Sulfisomezole sodium
Sodium sulfamethoxazole
Sulfamethoxazolesodium
Sulfamethoxazole sodium salt
Sodium [(4-aminophenyl)sulfonyl](5-methyl-1,2-oxazol-3-yl)azanide
4-Amino-N-(5-methyl-3-isoxazolyl)benzenesulfonamide monosodium salt
SMZ-Na
Benzenesulfonamide, 4-amino-N-(5-methyl-3-isoxazolyl)-, sodium salt (1:1)

 Sulfamethoxazole sodium | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: InChIKey of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is LARLNXOUTTUXPN-UHFFFAOYSA-N.
Q: What is the polar surface area (PSA) of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: Polar surface area (PSA) of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is 111.80000.
Q: What is the molecular weight of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: Molecular weight of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is 275.259.
Q: What is the molecular formula of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: Molecular formula of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is C10H10N3NaO3S.
Q: What is the English name of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: The English name of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is sodium N-(5-methylisoxazol-3-yl)sulphanilamidate.
Q: What are the storage conditions for sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: Storage conditions for sodium N-(5-methylisoxazol-3-yl)sulphanilamidate: -20℃.
Q: What is the CAS number of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: CAS number of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is 4563-84-2.
Q: What English synonyms does sodium N-(5-methylisoxazol-3-yl)sulphanilamidate have?
A: English synonyms of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate: Sulfisomezole sodium, Sodium sulfamethoxazole, Sulfamethoxazolesodium, Sulfamethoxazole sodium salt, Sodium [(4-aminophenyl)sulfonyl](5-methyl-1,2-oxazol-3-yl)azanide, 4-Amino-N-(5-methyl-3-isoxazolyl)benzenesulfonamide monosodium salt, SMZ-Na, Benzenesulfonamide, 4-amino-N-(5-methyl-3-isoxazolyl)-, sodium salt (1:1).
Q: What is the SMILES notation of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: SMILES notation of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is Cc1cc([N-]S(=O)(=O)c2ccc(N)cc2)no1.[Na+].
Q: What is the LogP of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate?
A: LogP of sodium N-(5-methylisoxazol-3-yl)sulphanilamidate is 3.01430.

 Sulfamethoxazole sodiumfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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