Rel-(3aR,4R,7S,7aS)-4-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione CAS 6766-45-6
| CAS No. | 6766-45-6 |
| Molecular Formula | C18H20N2OS2 |
| Molecular Weight | 344.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Rel-(3aR,4R,7S,7aS)-4-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione (C18H20N2OS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 344.49 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Rel-(3aR,4R,7S,7aS)-4-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione (CAS 6766-45-6), a certified reference material (molecular formula C18H20N2OS2, MW 344.49 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Rel-(3aR,4R,7S,7aS)-4-methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H20N2OS2 |
| Molecular Weight | 344.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Recommended Standards
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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