1,1′-[9-(1-Methylethylidene)-9H-xanthene-4,5-diyl]bis[1,1-diphenylphosphine] CAS 261733-14-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 261733-14-6 |
| Molecular Formula | C40H32OP2 |
| Molecular Weight | 590.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1,1′-[9-(1-Methylethylidene)-9H-xanthene-4,5-diyl]bis[1,1-diphenylphosphine] (CAS 261733-14-6) pharmaceutical standards reference standard. Molecular formula: C40H32OP2. Molecular weight: 590.63 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C40H32OP2 |
| Molecular Weight | 590.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 25.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Methylethylidene Standards
- 1,1′′-(1-Methylethylidene)bis[1′-ethylferrocene] (CAS 81579-74-0)
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- 2',3'-O-(1-Methylethylidene)-N-(phenylmethyl)adenosine (CAS 78188-38-2)
- 2,3-O-(1-Methylethylidene)-|A-L-sorbofuranose 6-(4-Methylbenzenesulfonate) 2,3-O-Isopropylidene-|A-L-sorbofuranose 6-p-Toluenesulfonate 2484-54-0 6-O-Tosyl-2,3-O-isopropylidene-|A-L-sorbofuranose (CAS 2484-54-0)
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Recommended Standards
- Letermovir Impurity 81 (CAS CATO-C4X-291581)
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- 2-chloro-N-(2-cyanoethyl)-N-ethylacetamide (CAS 1179615-92-9)
- 3-[(3-amino-4-fluorophenyl)formamido]propanamide (CAS 1157000-92-4)
- 6-iodanylpyridin-2-amine 6-iodo-2-pyridinamine 88511-25-5 A842635 (CAS 88511-25-5)
- O-((5-chloro-1,2,3-thiadiazol-4-yl)methyl)hydroxylamine hydrochloride (CAS 318288-80-1)
- 5-Ethynyl-2,2'-bipyridine (CAS 162318-34-5)
- Peptide Impurity 82 (CAS 10491-78-8)
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