U-104
U-104 (CAS: 178606-66-1) is a chemical compound with the formula C13H12FN3O3S and a molecular weight of 309.32 g/mol. Supplied as a white to beige powder, this substance is primarily recognised for its role as an enzyme inhibitor. Its applications span various research areas, particularly in cell biology and the study of biochemical processes involving carbonic anhydrase and oxidative stress.
- IUPAC
- 4-[[[(4-Fluorophenyl)amino]carbonyl]amino]-benzenesulfonamide,NSC 213841
- Synonyms
- 4-[[[(4-Fluorophenyl)amino]carbonyl]amino]-benzenesulfonamide, NSC 213841

Enzyme Inhibition Studies
U-104 serves as a valuable tool in biochemical research for its inhibitory effects on specific enzymes. It is frequently employed in studies investigating enzyme kinetics and mechanisms of action, particularly related to carbonic anhydrase.
Cell Biology Research
This compound is utilised in cell biology to probe cellular pathways and responses. Its involvement in cell signaling and stress mechanisms makes it useful for understanding cellular defence and communication processes.
Neuroscience Investigations
Within neuroscience research, U-104 can be applied to investigate neurological pathways and functions. Its role in cell signaling is relevant to understanding neuronal processes and potential therapeutic targets.
Oxidative Stress Studies
U-104 is applied in research focused on oxidative stress and the associated proteins. It aids in understanding the cellular impact of reactive oxygen species and the mechanisms of cellular protection.
| Molecular weight | 309.32 |
|---|---|
| Empirical formula | C13H12FN3O3S |
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to beige |
| Solubility | DMSO: >15 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is U-104 used for?
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U-104 is primarily used as an enzyme inhibitor in biochemical and cell biology research. It is particularly relevant in studies concerning carbonic anhydrase, cell signaling, neuroscience, and oxidative stress mechanisms.
What is the CAS number and formula for U-104?
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The CAS number for U-104 is 178606-66-1, and its empirical formula is C13H12FN3O3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies U-104 with a purity of ≥98% (HPLC). This product is intended for research and laboratory use and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should U-104 be handled?
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U-104 is classified as a Warning with hazard statement H319, indicating it causes serious eye irritation. Handle with appropriate personal protective equipment, including eye protection. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice if irritation persists. Store at 2-8°C.
Is U-104 a controlled substance?
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The provided data does not indicate that U-104 is a controlled or scheduled substance. It is supplied for general laboratory and research purposes.
How is U-104 packed and shipped?
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U-104 is supplied as a white to beige powder and is typically stored at 2-8°C. TSS exports chemicals globally, adhering to all necessary regulations for safe and compliant shipment.
How can I request a quote or sample for U-104?
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To request a quote or sample of U-104, please contact our sales team through the TSS website or via direct inquiry, providing your specific requirements and shipping details.
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