(R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-(7-methyl-1H-indazol-5-yl)propanoate CAS 855778-40-4
| CAS No. | 855778-40-4 |
| Molecular Formula | C20H21N3O4 |
| Molecular Weight | 367.40 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 (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-(7-methyl-1H-indazol-5-yl)propanoate (CAS 855778-40-4), a certified reference material (molecular formula C20H21N3O4, MW 367.40 g/mol) for analytical method development and quality control.
Based on its molecular formula C20H21N3O4, (R)-Methyl 2-(((benzyloxy)carbonyl)amino)-3-(7-methyl-1H-indazol-5-yl)propanoate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C20H21N3O4 |
| Molecular Weight | 367.40 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.) | 1987 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (R)-2-((S)-2-Amino-3-(4-hydroxyphenyl)propanamido)-3-(1H-indol-3-yl)propanoic acid (CAS 22032-67-3)
- (R)-tert-Butyl 2-(1,3-dioxoisoindolin-2-yloxy)-3-phenylpropanoate (CAS 380886-37-3)
- (2S,4R)-1-(((9H-fluoren-9-yl)methoxy)carbonyl)-4-hydroxypiperidine-2-carboxylic acid (CAS 653589-37-8)
- (S)-2-(4-(((9H-fluoren-9-yl)methoxy)carbonyl)morpholin-3-yl)acetic acid (CAS 2322623-47-0)
- 4,5-Dimethoxy-1-methyl-1h-indole-2-carboxylic acid (CAS 858756-82-8)
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