4,4',4''-Phosphanetriyltribenzoicacid CAS 22836-27-7
| CAS No. | 22836-27-7 |
| Molecular Formula | C21H15O6P |
| Molecular Weight | 394.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4,4',4''-Phosphanetriyltribenzoicacid.
4,4',4''-Phosphanetriyltribenzoicacid (CAS 22836-27-7), molecular formula C21H15O6P and molecular weight 394.31 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a phosphate ester group, a hydroxyl group, an ether linkage, 4,4',4''-Phosphanetriyltribenzoicacid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 394.31 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H15O6P |
| Molecular Weight | 394.31 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) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Recommended Standards
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- N-{3-(Dimethylamino)-1-[(4-methoxyphenyl)sulfonyl]-1H-1,2,4-triazol-5-yl}-N,N-dimethylamine (CAS 478032-04-1)
- (2E)-3-{[4-chloro-2-(trifluoromethyl)phenyl]amino}-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}prop-2-en-1-one (CAS 477888-52-1)
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- Benzo[b]thiophen-6-ylmethanamine (CAS 19301-41-8)
- 6-Cyclopropyl-2-(4-hydroxypiperidin-1-yl)pyrimidine-4-carboxylic acid (CAS 1355233-29-2)
- n-Methyl-1-propylpiperidin-4-amine (CAS 926236-60-4)
- Camphane (CAS 464-15-3)
- Peptide Impurity 70 TFA Salt (CAS CATO-CPTD788570)
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