5,5-Diphenylhydantoin-3-butyric Acid CAS 56976-66-0
| CAS No. | 56976-66-0 |
| Molecular Formula | C19H18N2O4 |
| Molecular Weight | 338.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 338.36 g/mol gives 5,5-Diphenylhydantoin-3-butyric Acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5,5-Diphenylhydantoin-3-butyric Acid (CAS 56976-66-0), molecular formula C19H18N2O4 and molecular weight 338.36 g/mol, is a CATO reference standard with documented purity and traceability.
5,5-Diphenylhydantoin-3-butyric Acid (C19H18N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5,5-Diphenylhydantoin-3-butyric Acid 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 | C19H18N2O4 |
| Molecular Weight | 338.36 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 2 |
Related Diphenylhydantoin Standards
Recommended Standards
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- AG 1406 (CAS 71308-34-4)
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- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
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