(S)-2-((tert-Butoxycarbonyl)amino)-3-(trityloxy)propanoic acid CAS 252897-67-9
| CAS No. | 252897-67-9 |
| Molecular Formula | C27H29NO5 |
| Molecular Weight | 447.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies (S)-2-((tert-Butoxycarbonyl)amino)-3-(trityloxy)propanoic acid (CAS 252897-67-9), a certified reference material (molecular formula C27H29NO5, MW 447.52 g/mol) for analytical method development and quality control.
Structurally, (S)-2-((tert-Butoxycarbonyl)amino)-3-(trityloxy)propanoic acid (C27H29NO5) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 447.52 g/mol, it falls into the moderately-high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C27H29NO5 |
| Molecular Weight | 447.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Recommended Standards
- (1R,3S)-(S)-Cyano(3-phenoxyphenyl)methyl 3-((Z)-3-(tert-butoxy)-3-oxoprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylate (CAS 80855-73-8)
- 2-{[3-cyano-4-(trifluoromethyl)-5H,6H,7H,8H,9H,10H-cycloocta[b]pyridin-2-yl]sulfanyl}-N-[(4-methylphenyl)methyl]acetamide (CAS 626228-81-7)
- (3R,4S)-1-tert-Butyl 3-methyl 4-(1-pivaloyl-2,3-dihydro-1H-pyrido[2,3-b][1,4]oxazin-6-yl)pyrrolidine (CAS 1241675-87-5)
- 2-{[3-cyano-6-ethyl-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}-N-[(4-methylphenyl)methyl]acetamide (CAS 664999-28-4)
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- CAS 2260669-99-4 (CAS 2260669-99-4)
- 1-Allyl-4-ethylcyclohexan-1-ol (CAS 1538120-20-5)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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