1-(Benzo[d]oxazol-2-ylthio)butan-2-one CAS 1250733-93-7
| CAS No. | 1250733-93-7 |
| Molecular Formula | C11H11NO2S |
| Molecular Weight | 221.28 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 1-(Benzo[d]oxazol-2-ylthio)butan-2-one (CAS 1250733-93-7), a certified reference material (molecular formula C11H11NO2S, MW 221.28 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H11NO2S, 1-(Benzo[d]oxazol-2-ylthio)butan-2-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(Benzo[d]oxazol-2-ylthio)butan-2-one 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 | C11H11NO2S |
| Molecular Weight | 221.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Benzo Standards
- Benzo[b]thiophen-4-yl dimethylcarbamate (CAS 1016-46-2)
- 3-(Benzo[d]oxazol-2-ylthio)butan-2-one (CAS 1154642-01-9)
- 2-(Benzo[d]thiazol-2-yl)-2-methylpropanoic acid (CAS 125305-80-8)
- 1-(Benzo[d]thiazol-2-yl)-3-ethylurea (CAS 15382-15-7)
- 3-(Benzo[d]thiazol-2-yl)-2-methylpropanoic acid (CAS 879916-67-3)
- 3-(Benzo[d]thiazol-2-yl)butanoic acid (CAS 889773-96-0)
- 4-(Benzo[d]oxazol-2-ylthio)butan-2-one (CAS 80944-36-1)
- Ethyl 2-(benzo[d]thiazol-6-yl)acetate (CAS 214614-76-3)
Recommended Standards
- (1-(4-(Methylthio)phenyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1250359-45-5)
- (1-(3-(Methylthio)phenyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1250286-60-2)
- Ethyl 6-aminobenzo[b]thiophene-3-carboxylate (CAS 1253969-59-3)
- (1-(2-(Methylthio)phenyl)-1H-1,2,3-triazol-4-yl)methanol (CAS 1249284-59-0)
- 1-(2-Hydroxyethyl)-3-methyl-1H-pyrazole-5-carboxylic acid (CAS 328071-25-6)
- 3,4-Dichlorofuran-2,5-dicarbaldehyde (CAS 157948-52-2)
- Phenyl(3-phenylpropyl)sulfane (CAS 30134-12-4)
- 3-Fluoro-4-mercaptobenzonitrile (CAS 110888-16-9)
- Ethyl 2-(3-cyclopropyl-4-(difluoromethyl)-6-(1-methyl-1H-pyrazol-4-yl)-1H-pyrazolo[3,4-b]pyridin-1-yl)acetate (CAS 1172010-69-3)
- 2-(5-Nitropentyl)isoindoline-1,3-dione (CAS 961-23-9)
- (4-Bromophenyl)(cyclobutyl)methanamine hydrochloride (CAS 1193387-95-9)
- Valsartan Isopropyl Ester (CAS 1245820-09-0)
- 5-Chloro-3-(phenyldiazenyl)-1-(3-(trifluoromethyl)benzyl)-1H-indol-2-ol (CAS 303984-80-7)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
Why CATO?
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