Isobenzofuro[4,5-d]isoxazole CAS 98822-08-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98822-08-3 |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isobenzofuro[4,5-d]isoxazole (CAS 98822-08-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H5NO2. Molecular weight: 159.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Isobenzofuro Standards
- Isobenzofuro[4,5-d]oxazole (CAS 117272-33-0)
- Isobenzofuro[5,6-d]oxazole (CAS 130700-87-7)
- Isobenzofuro[5,4-d]oxazole (CAS 214489-59-5)
- Isobenzofuro[5,6-d]isoxazole (CAS 267-37-8)
- 1H-Isobenzofuro[5,6-d]imidazole-5,7-dione (CAS 167993-16-0)
- 549-06-4 7H-Isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde, 1,3-dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo- 1,3-Dihydro-1,4-dihydroxy-10-methoxy-5,8-dimethyl-3,7-dioxo-7H-isobenzofuro(4,5-b)(1,4)benzodioxepin-11-carboxaldehyde NSC 87511 Stictic acid (CAS 549-06-4)
Recommended Standards
- H-g-Methylene-DL-Glu-OH (F-1815.0250) (CAS 7150-74-5)
- Ethyl 2-oxooxazolidine-5-carboxylate (CAS 99979-58-5)
- Ethyl 2-(3-formyltriazylidene)acetate (CAS 69982-16-7)
- 5-(4-Methylbenzoyl)pyrimidine-2,4(1H,3H)-dione (CAS 91973-86-3)
- 2-(4-Fluorophenyl)-5-methoxybenzo[b]thiophene-3-carboxylic acid (CAS 1215106-52-7)
- Ethyl 3-[5-bromo-2-(difluoromethoxy)phenyl]propanoate (CAS 1057674-78-8)
- Iruplinalkib (CAS 1854943-32-0)
- Methyl 2,4-dimethylthiophene-3-carboxylate (CAS 1195590-21-6)
- 5-(Aminomethyl)-1-methyl-1H-pyrrole-2-carboximidamide (CAS 758683-10-2)
- Tirzepatide Impurity 13 (CAS CATO-C4X-324013)
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