o-Aminobenzoylglycyl-p-nitro-L-phenylalanyl-L-proline CAS 67482-93-3
| CAS No. | 67482-93-3 |
| Molecular Formula | C23H25N5O7 |
| Molecular Weight | 483.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, o-Aminobenzoylglycyl-p-nitro-L-phenylalanyl-L-proline is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 483.47 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
o-Aminobenzoylglycyl-p-nitro-L-phenylalanyl-L-proline (CAS 67482-93-3), molecular formula C23H25N5O7 and molecular weight 483.47 g/mol, is a CATO reference standard with documented purity and traceability.
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 | C23H25N5O7 |
| Molecular Weight | 483.47 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 5 |
Recommended Standards
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- (2-Methoxyphenyl)zinc(II) bromide (CAS 150766-94-2)
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- (3',5'-Dichloro-[1,1'-biphenyl]-4-yl)methanol (CAS 198205-91-3)
- Hexahydro-3H-oxazolo[3,4-a]pyrazin-3-one (CAS 937047-42-2)
- Macitentan Impurity 14 (CAS 2211059-05-9)
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Why CATO?
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