2-((Tert-butoxycarbonyl)amino)-4-methoxy-3-methylbutanoic acid CAS 1404955-26-5
| CAS No. | 1404955-26-5 |
| Molecular Formula | C11H21NO5 |
| Molecular Weight | 247.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-((Tert-butoxycarbonyl)amino)-4-methoxy-3-methylbutanoic acid (C11H21NO5) contains an amino-acid-derived structure, 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.
2-((Tert-butoxycarbonyl)amino)-4-methoxy-3-methylbutanoic acid (CAS 1404955-26-5), molecular formula C11H21NO5 and molecular weight 247.29 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 | C11H21NO5 |
| Molecular Weight | 247.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Tert Standards
- 2-(((tert-Butoxycarbonyl)amino)methyl)-3-hydroxy-3-methylbutanoic acid (CAS 1233513-26-2)
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- 2-(2-((Tert-butoxycarbonyl)amino)-2-methylpropoxy)acetic acid (CAS 193085-32-4)
- 4-(2-((tert-Butoxycarbonyl)amino)ethoxy)butanoic acid (CAS 2731015-03-3)
- 5-((tert-Butoxycarbonyl)amino)-3-hydroxy-3-methylpentanoic acid (CAS 2354082-06-5)
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Recommended Standards
- 1-Benzyl-2-methyl-1,3-benzodiazole-5-carbonitrile (CAS 1403483-72-6)
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- [4-(Cyanomethylamino)phenyl]carbamic acid tert-butyl ester (CAS 1402559-25-4)
- Benzyl (1S,4R,6S)-6-hydroxy-2-azabicyclo[2.2.1]heptane-2-carboxylate (CAS 141017-63-2)
- 3-(1-fluoroethyl)oxetane-3-carboxylic acid (CAS 1782557-91-8)
- 1-(4-Methoxyphenoxy)-3-(4-phenylpiperazin-1-yl)propan-2-ol (CAS 110148-93-1)
- 4-(Decyloxy)benzoic acid (CAS 5519-23-3)
- 2-Methylpropan-2-amine hydrochloride (CAS 10017-37-5)
- 2-((6-((5-Methyl-2-oxodihydrofuran-3(2H)-ylidene)methyl)benzo[d][1,3]dioxol-5-yl)amino)acetonitrile (CAS 93733-83-6)
- 3,5-Dibromo-[1,1'-biphenyl]-4-amine (CAS 3366-59-4)
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- Acetyl-d3 Chloride (CAS 19259-90-6)
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