4,4-dimethyloxazolidine-2-thione CAS 54013-55-7
| CAS No. | 54013-55-7 |
| Molecular Formula | C5H9NOS |
| Molecular Weight | 131.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,4-dimethyloxazolidine-2-thione is closely related to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,4-dimethyloxazolidine-2-thione (CAS 54013-55-7), molecular formula C5H9NOS and molecular weight 131.20 g/mol, is a CATO reference standard with documented purity and traceability.
4,4-dimethyloxazolidine-2-thione (C5H9NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 4,4-dimethyloxazolidine-2-thione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H9NOS |
| Molecular Weight | 131.20 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related dimethyloxazolidine Standards
- (S)-3,4-Dimethyloxazolidine-2,5-dione (CAS 58311-53-8)
- 3,4-dimethyloxazolidine-2,5-dione (CAS 51784-00-0)
- 4,4-Dimethyloxazolidine-2,5-dione (CAS 5839-88-3)
- (S)-2,2-Dimethyloxazolidine-4-carboxylic Acid (CAS 159585-65-6)
- 3-Ethyl-5,5-dimethyloxazolidine-2,4-dione (CAS 520-77-4)
- Methyl 2,2-dimethyloxazolidine-4-carboxylate (CAS 177536-17-3)
- 2,2-Dimethyloxazolidine (CAS 20515-62-2)
- 4,4-dimethyloxazolidine (CAS 51200-87-4)
Recommended Standards
- 2-methyl-thiomorpholin-3-one (CAS 69226-20-6)
- 4-Allylthiosemicarbazide (CAS 3766-55-0)
- 2,2-Dimethylthiazolidin-4-one (CAS 52302-24-6)
- 4-Methanesulfinylbutanenitrile (CAS 61121-65-1)
- Benzyl (3aS,6aS)-3,3-difluorohexahydropyrrolo[3,4-b]pyrrole-1(2H)-carboxylate (CAS 2597334-07-9)
- 883543-35-9 2-Methoxy-N-methylpropan-1-amine--hydrogen chloride (1/1) DTXSID50648552 (CAS 883543-35-9)
- 2-(2,6-Dimethyl-4-oxazol-2-yl-benzenesulfonylamino)-3-({1-[3-(1H-imidazol-2-ylamino)-propyl]-1H-indazole-4-carbonyl}-amino)-propionic acid (CAS 1231019-70-7)
- (2-Aminoethyl)triphenylphosphonium bromide hydrobromide (CAS 73648-13-2)
- 1-Allyl-4,5-dimethyl-3-(phenylsulfonyl)-1H-pyrrol-2-amine (CAS 1269534-89-5)
- 2,4,6-Trimethyl-N-(2-methylquinolin-8-yl)benzenesulfonamide (CAS 15011-27-5)
- Urapidil Impurity 38 (CAS CATO-C4X-192438)
- 4-Hydroxyisobenzofuran-1(3H)-one (CAS 13161-32-5)
- 2-(4-Methylpiperidin-1-yl)ethyl (4-chlorophenyl)carbamate (CAS 865074-35-7)
- Semaglutide impurity 247 (CAS CATO-C4X-2226247)
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