935280-42-5 dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene CAS 935280-42-5
| CAS No. | 935280-42-5 |
| Molecular Formula | C22H34S2 |
| Molecular Weight | 362.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
935280-42-5 dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (CAS 935280-42-5), molecular formula C22H34S2 and molecular weight 362.64 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 935280-42-5 dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (C22H34S2) contains sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 362.64 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).
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), 935280-42-5 dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene 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 | C22H34S2 |
| Molecular Weight | 362.64 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Sulfur Atoms | 2 |
Related dinaphtho Standards
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