(4R,4'R,5R,5'R)-2,2'-Diphenyl-[4,4'-bi(1,3-dioxane)]-5,5'-diol CAS 28224-73-9
| CAS No. | 28224-73-9 |
| Molecular Formula | C20H22O6 |
| Molecular Weight | 358.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4R,4'R,5R,5'R)-2,2'-Diphenyl-[4,4'-bi(1,3-dioxane)]-5,5'-diol (CAS 28224-73-9), molecular formula C20H22O6 and molecular weight 358.39 g/mol, is a CATO reference standard with documented purity and traceability.
(4R,4'R,5R,5'R)-2,2'-Diphenyl-[4,4'-bi(1,3-dioxane)]-5,5'-diol (C20H22O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures (4R,4'R,5R,5'R)-2,2'-Diphenyl-[4,4'-bi(1,3-dioxane)]-5,5'-diol 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 | C20H22O6 |
| Molecular Weight | 358.39 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1965 |
Recommended Standards
- (4AR,6S,7R,8R,8aS)-6-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol (CAS 35905-28-3)
- (6R,8R,8aR)-6-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol (CAS 56341-65-2)
- (4AR,6S,7R,8R,8aR)-6-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol (CAS 57783-86-5)
- (6R,8R,8aS)-6-(benzyloxy)-2-phenylhexahydropyrano[3,2-d][1,3]dioxine-7,8-diol (CAS 58006-32-9)
- (2S,4S,5R)-tetrahydro-2H-pyran-2,4,5-triol (CAS 36792-85-5)
- (2,3-Dichlorophenyl)(2-(pyrrolidin-1-ylmethyl)phenyl)methanone (CAS 898774-93-1)
- DL-Alanine (CAS 302-72-7)
- Oseltamivir Impurity 243 (CAS CATO-C4X-1720243)
- 3-(4-Fluorophenyl)-7-hydroxy-2-methyl-4h-chromen-4-one (CAS 240410-83-7)
- 2-Methoxy-3,5-bis(trifluoromethyl)pyridine (CAS 1804142-91-3)
- 2-(5-Methoxy-1h-indol-4-yl)acetic acid (CAS 51086-03-4)
- (S)-2-amino-2-(2-chlorophenyl)propan-1-ol (CAS 1213001-26-3)
- 4-Hydroxy-6-methyl-5,6-dihydro-2h-pyran-2-one (CAS 33177-29-6)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
Why CATO?
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