Sulfadimethoxine TCI S0359

Chemical Identity

CAS No.: 122-11-2
PubChem: CID 5323·SID 87575871
Formula: C12H14N4O4S
Molecular weight: 310.33 g/mol
Purity: >98.0%(HPLC)(T)
Reference databases: ChEBI·ChemSpider·ECHA·Wikipedia

Full identifiers (IUPAC, SMILES, InChIKey)

IUPAC: 4-amino-N-(2,6-dimethoxypyrimidin-4-yl)benzenesulfonamide
SMILES: COC1=NC(=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N)OC
InChIKey: ZZORFUFYDOWNEF-UHFFFAOYSA-N

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Sulfadimethoxine is a chemical compound classified under the sulfonamide antibiotic category. It plays a vital role in laboratory settings by inhibiting the growth of specific bacteria, particularly those sensitive to sulfonamides. As a biochemical reagent, it is widely utilized in microbiological, pharmacological, and biochemical research. Its ability to interfere with bacterial metabolic processes makes it an essential tool for studying antimicrobial mechanisms and evaluating antibiotic efficacy.

This compound is valued for its chemical stability under controlled conditions and its solubility in organic solvents such as ethyl acetate and acetone. These properties ensure consistent performance in experimental protocols, making it a reliable choice for researchers. Its stable molecular structure also allows for accurate and reproducible results in high-precision experiments. Additionally, its resistance to degradation simplifies storage and long-term use without compromising quality.

In Indonesian laboratories, sulfadimethoxine is commonly used in infection control studies, bacterial sensitivity testing, and pharmaceutical development. Its role in assessing the effectiveness of antibiotics and understanding bacterial resistance mechanisms is critical for advancing research in microbiology and drug development. It is a standard reagent in academic and industrial research settings, supporting both basic and applied scientific investigations.

TCI brochures (PDF)

Antimicrobials and Antitumor Agents for Research and Experimental Use 2025-04-24 · p. 6
Pharmaceutical Ingredients for Research and Experimental Use 2026-03-09 · p. 6

Related TCI products

Bacterial Sensitivity Testing: Sulfadimethoxine is used to determine the susceptibility of bacterial strains to sulfonamide antibiotics, aiding in the development of effective treatment protocols.
Antibiotic Efficacy Evaluation: It serves as a reference compound in assessing the effectiveness of new or existing antibiotics against specific bacterial species.
Microbial Growth Inhibition Studies: Its ability to inhibit bacterial growth makes it ideal for experiments investigating antimicrobial activity and resistance patterns.
Pharmaceutical Research: It is employed in the formulation and testing of new drugs, particularly those targeting bacterial infections.
Biochemical Analysis: Its chemical stability and solubility make it suitable for use in biochemical assays requiring precise reagent performance.

Brand	TCI
CAS number	122-11-2
Molecular formula	—
Purity	—
Category	Life Science > Biochemicals and Reagents > Antibiotics
Pack sizes	Available in standard laboratory quantities
Physical form	Solid powder
Storage	Store in a cool, dry place away from direct sunlight

Sulfadimethoxine should be stored in a cool, dry environment to maintain its chemical stability and prevent degradation. It is recommended to keep it in airtight containers to minimize exposure to moisture and contaminants. Due to its organic solubility, it should be handled with care to avoid contact with incompatible substances. Laboratory personnel should use appropriate personal protective equipment, such as gloves and safety goggles, when handling this compound. Proper labeling of storage containers is essential to ensure safe access and prevent accidental misuse. Regular monitoring of storage conditions ensures the compound remains suitable for use in research applications.

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