Phosphoric acid 6,6'-di(9-anthryl)-1,1'-spirobiindan-7,7'-diyl ester
CAS: 1393527-23-5
Category: Organic Intermediates
| Purity | Research-grade chiral phosphoric acid typically ≥98% purity (HPLC), with defined specifications for |
| Molecular Formula | C45H31O4P |
| Molecular Weight | 666.71 |
| Appearance | Yellow to orange crystalline solid or powder |
| Packaging | Typical research packaging: 10 mg–1 g amber glass vials or bottles with desiccant and light protection; larger multi-gram quantities in sealed glass or plastic bottles with inner bags, for research and further manufacturing use only |
| Testing Indicators | Appearance — visual inspection (color and crystal form); Identity — ¹H/¹³C NMR, FTIR, and MS; Purity — HPLC (and chiral HPLC where applicable); Melting point — capillary method; Water content — Karl Fischer titration when specified. |
| Storage Notes | Store in a tightly closed container in a cool, dry, well-ventilated place, protected from light and moisture. Keep away from strong bases, strong acids, and oxidizing agents. Recommended for storage at room temperature or lower according to supplier guidance, and intended for research and further manufacturing use only. |
| Lead Time | 10 days |
Chiral phosphoric acid organocatalyst used in asymmetric synthesis. Applied as a Brønsted acid catalyst for enantioselective carbon–carbon and carbon–heteroatom bond-forming reactions, serving as a high-performance chiral intermediate in research and fine chemical development.