5,5-Dimethyl-2,4-oxazolidinedione
5,5-Dimethyl-2,4-oxazolidinedione (CAS 695-53-4) is a chemical compound with the molecular formula C5H7NO3 and a molecular weight of 129.11 g/mol. This oxazolidine derivative serves as a valuable building block in organic synthesis and has been employed in the development of complex molecular structures, including nickel-containing heterocyclic systems and potent enzyme inhibitors. Its utility extends to pharmacological research, particularly in antiepileptic drug development and metabolic studies.
- IUPAC
- DMO,Dimethadione,NSC 30152
- Synonyms
- 695-53-4DMODimethadioneNSC 30152

Synthesis of Heterocyclic Complexes
5,5-Dimethyl-2,4-oxazolidinedione is a reactant in the synthesis of nickel benzoannulated or naphthoannulated β-oxatetraazachlorin complexes, contributing to the construction of complex heterocyclic frameworks.
Cathepsin K Inhibition
This compound is utilised in research as a cathepsin K inhibitor, an enzyme implicated in various physiological and pathological processes.
Pharmacological Research
It has been involved in studies aimed at identifying bioequivalent generic substitutes for antiepileptic drugs and screening for compounds that modulate cellular energy metabolism.
Medical Research Applications
Research has explored its potential role in dissolving protein plugs associated with choledochal cysts and pancreaticobiliary maljunctions.
| Molecular weight | 129.11 |
|---|---|
| Empirical formula | C5H7NO3 |
| Storage temperature | 2-8°C |
| Application | Reactant involved in:• Synthesis of nickel benzoannulated or naphthoannulated β-oxatetraazachlorin complex1• Being used as a cathepsin K inhibitor2Molecule involved in pharmacological studies including:• Identification of bioequivalent generic substitute for antiepileptic drugs3• Screening for drugs that shift energy metabolism from mitochondrial respiration to glycolysis4• Dissolving protein plugs in patients with choledochal cyst / pancreaticobiliary maljunctions5 |
| Melting point | 77-80 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H351Suspected of causing cancer
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-40 |
| Safety statements (S) | 22-36 |
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 5,5-Dimethyl-2,4-oxazolidinedione used for?
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5,5-Dimethyl-2,4-oxazolidinedione is used as a reactant in chemical synthesis, notably for creating nickel-containing heterocyclic complexes and as a cathepsin K inhibitor. It is also utilised in pharmacological research related to antiepileptic drugs and cellular metabolism.
What is the CAS number and molecular formula for 5,5-Dimethyl-2,4-oxazolidinedione?
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The CAS number is 695-53-4 and the empirical formula (Hill notation) is C5H7NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research purposes. The specific assay and purity are available upon request. We do not represent this product as USP, BP, or EP grade.
How should 5,5-Dimethyl-2,4-oxazolidinedione be handled safely?
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5,5-Dimethyl-2,4-oxazolidinedione is classified as harmful if swallowed, in contact with skin, or if inhaled, and is suspected of causing cancer. Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
Is 5,5-Dimethyl-2,4-oxazolidinedione a controlled substance?
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The provided data does not indicate that 5,5-Dimethyl-2,4-oxazolidinedione is a controlled substance.
How is 5,5-Dimethyl-2,4-oxazolidinedione typically packed and shipped?
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This chemical is stored at 2-8°C. TSS exports fine chemicals globally, adhering to all relevant shipping regulations for hazardous materials.
How can I request a quote or sample?
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To request a quote or sample of 5,5-Dimethyl-2,4-oxazolidinedione, please contact our sales department via the website or by calling our main office.
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