4-(Benzo[d]thiazol-2-yl)isoxazole CAS 40142-84-5
| CAS No. | 40142-84-5 |
| Molecular Formula | C10H6N2OS |
| Molecular Weight | 202.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-(Benzo[d]thiazol-2-yl)isoxazole (C10H6N2OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 202.23 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-(Benzo[d]thiazol-2-yl)isoxazole (CAS 40142-84-5), molecular formula C10H6N2OS and molecular weight 202.23 g/mol, is a CATO reference standard with documented purity and traceability.
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-(Benzo[d]thiazol-2-yl)isoxazole 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 | C10H6N2OS |
| Molecular Weight | 202.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Benzo Standards
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Recommended Standards
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- 3-Methyl-2-methylimino-4-oxo-[1,3]thiazinane-6-carboxylic acid (CAS 350707-87-8)
- 4-Acetoxy-2,5-dihydro-thiophene-3-carboxylic acid methyl ester (CAS 65369-32-6)
- Ethyl [(5-chloro-2-methoxyphenyl)carbamoyl]formate (CAS 24439-45-0)
- tert-Butyl (4-(1H-pyrrolo[2,3-b]pyridin-3-yl)cyclohex-3-en-1-yl)carbamate (CAS 1001414-20-5)
- 3-(4-(tert-Butyl)phenyl)-4,5-diphenyl-4H-1,2,4-triazole (CAS 444153-33-7)
- [1-(6-Methoxy-2-methylsulfanyl-pyrimidin-4-yl)-piperidin-4-yl]-methyl-carbamic acid tert-butyl ester (CAS 1353985-29-1)
- tert-Butyl 3-morpholinopyrrolidine-1-carboxylate (CAS 1184914-30-4)
- 7-Ethoxy-2-(3-nitrophenyl)benzo[d]imidazo[2,1-b]thiazole (CAS 439108-92-6)
- 3-(2-Aminoethyl)-6,7-dihydroxyisobenzofuran-1(3H)-one (CAS 787500-53-2)
- 2-amino-N-ethoxy-N-ethylacetamide hydrochloride (CAS 2031268-89-8)
- Lornoxicam Impurity 46 (CAS CATO-C4X-201646)
- Tirzepatide Impurity 19 X TFA Salt (CAS CATO-C4X-324019)
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