Hexahydro-4,7-methanoisobenzofuran-1,3-dione CAS 6004-79-1
| CAS No. | 6004-79-1 |
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Hexahydro-4,7-methanoisobenzofuran-1,3-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Hexahydro-4,7-methanoisobenzofuran-1,3-dione (CAS 6004-79-1), molecular formula C9H10O3 and molecular weight 166.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Hexahydro-4,7-methanoisobenzofuran-1,3-dione (C9H10O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 166.17 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C9H10O3 |
| Molecular Weight | 166.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Hexahydro Standards
- Hexahydro-2,6-methanooxireno[2,3-f]isobenzofuran-3(1aH)-one (CAS 437754-43-3)
- (8'aR)-hexahydro-1'H-spiro[cyclopropane-1,6'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2165665-01-8)
- (8'aR)-hexahydro-1'H-spiro[cyclopropane-1,7'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2166098-79-7)
- (8'aS)-hexahydro-1'H-spiro[cyclopropane-1,6'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2166005-02-1)
- (8'aS)-hexahydro-1'H-spiro[cyclopropane-1,7'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2165505-54-2)
- hexahydro-1'H-spiro[cyclopropane-1,6'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2168821-12-1)
- hexahydro-1'H-spiro[cyclopropane-1,7'-pyrrolo[1,2-a]piperazine]-3'-one (CAS 2167397-20-6)
- Hexahydro-1H-4,7-epoxyisoindole-1,3-dione (CAS 6253-24-3)
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