5-Phenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione CAS 6337-27-5
| CAS No. | 6337-27-5 |
| Molecular Formula | C14H12O3 |
| Molecular Weight | 228.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 228.24 g/mol gives 5-Phenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Phenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione (CAS 6337-27-5) is a high-purity analytical reference standard with the molecular formula C14H12O3 and a molecular weight of 228.24 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, 5-Phenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 228.24 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 5-Phenyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione 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 | C14H12O3 |
| Molecular Weight | 228.24 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Recommended Standards
- 5-Methoxy-2-phenylbenzoic acid (CAS 92254-27-8)
- 8,8-Dimethyl-2H,8H-pyrano[3,2-g]chromen-2-one (CAS 553-19-5)
- 5-benzyl-2-hydroxybenzoic acid (CAS 4386-41-8)
- Benzaldehyde, 2-hydroxy-3-(phenylmethoxy)- (CAS 86734-59-0)
- (Met(O)35)-Amyloid β-Protein (1-40) trifluoroacetate salt (CAS 178302-50-6)
- (4AR,6S,7R,8R,8aS)-6-(4-methoxyphenoxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol (CAS 158252-19-8)
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- N-{5-azaspiro[3.5]nonan-8-yl}pentanamide hydrochloride (CAS 1909306-18-8)
- (R)-1-(2,4-dimethylphenyl)-2,2,2-trifluoroethan-1-amine (CAS 1213559-29-5)
- Sanfetrinem Cilexetil (CAS 141646-08-4)
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- Cabotegravir impurity 20 (CAS CATO-C4X-287620)
- endo-Ser39-Tirzepatide (CAS CATO-CPTD788935)
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