5-(3,4-Dimethylphenyl)oxazole-2(3H)-thione CAS 950272-74-9
| CAS No. | 950272-74-9 |
| Molecular Formula | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 5-(3,4-Dimethylphenyl)oxazole-2(3H)-thione (CAS 950272-74-9), a certified reference material (molecular formula C11H11NOS, MW 205.28 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 5-(3,4-Dimethylphenyl)oxazole-2(3H)-thione is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 205.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H11NOS |
| Molecular Weight | 205.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethylphenyl Standards
- 5-(2,4-Dimethylphenyl)-1,3,4-thiadiazol-2-amine (CAS 183882-25-9)
- 4-(2,4-Dimethylphenyl)-4h-1,2,4-triazole-3-thiol (CAS 66297-59-4)
- 4-(2,5-Dimethylphenyl)-4h-1,2,4-triazole-3-thiol (CAS 669748-32-7)
- 5-(2,5-Dimethylphenyl)-1,3,4-thiadiazol-2-amine (CAS 400741-79-9)
- 5-(3,5-Dimethylphenyl)-1,3,4-thiadiazol-2-amine (CAS 383130-54-9)
- N-(2,4-dimethylphenyl)tetrahydro-2H-pyran-4-amine (CAS 1155103-06-2)
- N-(3,5-dimethylphenyl)tetrahydro-2H-pyran-4-amine (CAS 1157009-33-0)
- 1-(3,4-Dimethylphenyl)-2-(ethylamino)-1-propanone DISCONTINUED. Please see M255145. (CAS 1225811-81-3)
Recommended Standards
- 5-(2-Methylbenzyl)-1,3,4-thiadiazol-2-amine (CAS 39181-44-7)
- 5-(3-Methylbenzyl)-1,3,4-thiadiazol-2-amine (CAS 39181-46-9)
- 5-(1-Phenylethyl)-1,3,4-thiadiazol-2-amine (CAS 88742-94-3)
- 5-(4-Ethylphenyl)-1,3,4-thiadiazol-2-amine (CAS 383130-78-7)
- 2-(Aminomethyl)-4-(difluoromethyl)-3-hydroxypyridine-5-acetonitrile (CAS 1807004-82-5)
- [4-(2-Piperidin-1-ylethoxy)phenyl]boronic acid (CAS 710348-58-6)
- N-Pyrrolo-2-deoxycytidine (CAS 382137-74-8)
- Fmoc-HoCys(Acm)-OH (CAS 150281-21-3)
- 4-Chloro-2-(4-oxopiperidin-1-yl)thiazole-5-carbaldehyde (CAS 914348-62-2)
- Ethyl 3,4-difluoro-5-hydroxybenzoate (CAS 847943-86-6)
- (1-Aminocyclopropyl)(pyrrolidin-1-yl)methanone (CAS 1467755-73-2)
- N,N-dimethyl-4-(5-((4-nitrobenzylidene)amino)benzo[d]oxazol-2-yl)aniline (CAS 129463-02-1)
- cyclopropyl(4-methyl-1,3-thiazol-2-yl)methanamine (CAS 1211511-32-8)
- Glucagon receptor antagonist I (CAS 438618-32-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com