(S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide CAS CATO-C3D-262931
| CAS No. | CATO-C3D-262931 |
| Molecular Formula | C18H29N5O4 |
| Molecular Weight | 379.45 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 (S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide.
(S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide (CAS CATO-C3D-262931), molecular formula C18H29N5O4 and molecular weight 379.45 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide (C18H29N5O4) 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), (S)-2-((S)-2-amino-3-methylbutanamido)-N-(4-(hydroxymethyl)phenyl)-5-ureidopentanamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H29N5O4 |
| Molecular Weight | 379.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | ≥95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 5 |
Recommended Standards
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- D-Val-D-Cit-PAB (CAS CATO-C3D-262946)
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- Ethyl 4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate hydrochloride (CAS 1630096-68-2)
- 3-Fluoro-4-(3-(4-methylpiperazin-1-yl)propoxy)phenylboronic acid (CAS 1704064-05-0)
- Methyl 1-(4-cyano-5-(methylamino)isothiazol-3-yl)piperidine-4-carboxylate (CAS 338422-53-0)
- Tirzepatide Impurity 46 (CAS CATO-C4X-324046)
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