[1,3]Dioxolo[4',5':5,6]benzo[1,2-c]isoxazole CAS 158683-18-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 158683-18-2 |
| Molecular Formula | C8H5NO3 |
| Molecular Weight | 163.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1,3]Dioxolo[4',5':5,6]benzo[1,2-c]isoxazole (CAS 158683-18-2) 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.) | 2002 |
| Nitrogen Atoms | 1 |
Related Dioxolo Standards
- [1,3]Dioxolo[4',5':4,5]benzo[1,2-d]isoxazole (CAS 106253-12-7)
- [1,3]Dioxolo[4',5':3,4]benzo[1,2-d]isoxazole (CAS 106253-13-8)
- [1,3]Dioxolo[4',5':3,4]benzo[1,2-c]isoxazole (CAS 145578-66-1)
- [1,3]Dioxolo[4',5':5,6]benzo[1,2-d]isoxazole (CAS 155181-15-0)
- 4H-[1,3]Dioxolo[4',5':3,4]benzo[1,2-d]imidazole (CAS 104399-60-2)
- [1,3]Dioxolo[4,5-d]imidazo[1,5-a]pyridine (CAS 623945-74-4)
- [1,3]Dioxolo[4,5-e]benzofuran (CAS 65496-53-9)
- [1,3]Dioxolo[4,5-f]isobenzofuran (CAS 267-42-5)
Recommended Standards
- [1,2,3]Triazolo[1,5-a]pyridine-6-carboxylic acid (CAS 1555795-83-9)
- (2R,3R)-2-Hydroxy-3-nitropentanoic acid (CAS 1628928-78-8)
- [1,2,3]Triazolo[1,5-a]pyridine-7-carboxylic acid (CAS 1555335-57-3)
- 7-Methoxy-1H-benzo[d][1,3]oxazin-2(4H)-one (CAS 1187195-69-2)
- n-(3,5-Dimethylbenzyl)-3-methoxypropan-1-amine (CAS 1184047-25-3)
- 4-Methoxy-6,8-dimethylquinoline-2-carbaldehyde (CAS 802906-31-6)
- n-[1-(1,5-dimethyl-1h-pyrazol-4-yl)ethylidene]hydroxylamine (CAS 1019067-48-1)
- 3-(3-oxabicyclo[3.1.0]hexan-1-yl)prop-2-ynoic acid (CAS 2001676-72-6)
- 1-[5-(3-Chlorophenyl)isoxazol-3-yl]ethanol (CAS 657427-36-6)
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