3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid
3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid (CAS 6270-74-2) is a heterocyclic organic compound with the molecular formula C10H9NO3S and a molecular weight of 223.25 g/mol. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. This compound is recognised for its utility in creating more complex molecular structures, making it a key intermediate for researchers and industrial chemists.
- Synonyms
- 6270-74-2, C10H9NO3S

Chemical Synthesis Intermediate
This compound functions as a versatile intermediate in organic synthesis. Its structure lends itself to further chemical modifications for the creation of novel compounds.
Heterocyclic Chemistry Research
As a thiazine derivative, it is employed in research focused on heterocyclic systems. These systems are fundamental to many biologically active molecules and advanced materials.
Building Block for Complex Molecules
It serves as a fundamental building block in multi-step syntheses. Chemists utilise its reactive sites to construct larger, more complex molecular architectures.
| Molecular weight | 223.25 |
|---|---|
| Empirical formula | C10H9NO3S |
| Melting point | 182-186 °C(lit.) |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36/37 |
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 3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid used for?
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This compound is primarily used as a building block and intermediate in chemical synthesis, particularly in heterocyclic chemistry research.
What is the CAS number and molecular formula for this compound?
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The CAS number is 6270-74-2, and the molecular formula is C10H9NO3S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific grade and purity are typically detailed on the product's Certificate of Analysis; we do not represent it as USP, BP, or EP grade unless explicitly stated.
How should 3,4-Dihydro-3-oxo-2H-(1,4)-benzothiazin-2-ylacetic acid be handled?
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This compound may cause an allergic skin reaction (H317). Handle with appropriate personal protective equipment, including eyeshields, faceshields, gloves, and a dust mask (e.g., N95). Ensure adequate ventilation. European hazard code is Xi, with risk statement R43 and safety statements S36/37.
Is this product controlled or scheduled?
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Based on the provided data, there is no indication that this compound is a controlled substance. However, users should always verify compliance with local regulations.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all relevant shipping and hazardous materials regulations.
How can I request a sample or a quote?
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To request a sample or a quote, please contact our sales department via the website or direct inquiry. Provide the product name and CAS number (6270-74-2) for prompt service.
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