6-Nitro-3-((trichloromethyl)thio)benzo[d]oxazol-2(3H)-one CAS 19188-82-0
| CAS No. | 19188-82-0 |
| Molecular Formula | C17H17N3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 508.45 g/mol gives 6-Nitro-3-((trichloromethyl)thio)benzo[d]oxazol-2(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 6-Nitro-3-((trichloromethyl)thio)benzo[d]oxazol-2(3H)-one (CAS 19188-82-0), a certified reference material (molecular formula C17H17N3OC6H3N3O7, MW 508.45 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, 6-Nitro-3-((trichloromethyl)thio)benzo[d]oxazol-2(3H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 508.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
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 | C17H17N3O C6H3N3O7 |
| Molecular Weight | 508.45 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 6 |
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- (3-Methyl-4-nitrophenyl)(trifluoromethyl)sulfane (CAS 933673-25-7)
- Mast Cell Degranulating (MCD) Peptide HR-2 (CAS 80388-04-1)
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