Benzo[d]isoxazole-4-carboxylic acid CAS 1554164-82-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1554164-82-7 |
| Molecular Formula | C8H5NO3 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Benzo[d]isoxazole-4-carboxylic acid (CAS 1554164-82-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H5NO3. Molecular weight: 163.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H5NO3 |
| Molecular Weight | 163.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 1 |
Related Benzo Standards
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- Benzo[d]isoxazole-6-carboxylic acid (CAS 1352907-05-1)
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- Benzo[c][1,2,5]oxadiazole-4-carboxamide (CAS 408502-46-5)
Recommended Standards
- [1,3]Dioxolo[4',5':5,6]benzo[1,2-d]isoxazole (CAS 155181-15-0)
- [1,2,3]Triazolo[1,5-a]pyridine-7-carboxylic acid (CAS 1555335-57-3)
- [1,2,3]Triazolo[1,5-a]pyridine-6-carboxylic acid (CAS 1555795-83-9)
- 2-(2-Methylpiperazin-1-yl)pyrimidine (CAS 21279-56-1)
- 2-Chloro-5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazole (CAS 1368959-15-2)
- 3-[(trifluoromethyl)sulfanyl]pyridine hydrochloride (CAS 1803608-70-9)
- 5-Amino-2-methoxynicotinic acid (CAS 1554360-43-8)
- 5-Chloro-1-isopropyl-3-(piperazin-1-yl)pyrazin-2(1H)-one (CAS 1269532-18-4)
- 2-[(2,6-dimethylmorpholin-4-yl)methyl]aniline (CAS 1016683-80-9)
- Bax inhibitor peptide V5 (CAS 579492-81-2)
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