2-acetamido-5-methylhexanoic acid CAS 5440-33-5
| CAS No. | 5440-33-5 |
| Molecular Formula | C9H17NO3 |
| Molecular Weight | 187.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-acetamido-5-methylhexanoic acid (C9H17NO3) 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-acetamido-5-methylhexanoic acid (CAS 5440-33-5), molecular formula C9H17NO3 and molecular weight 187.24 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-acetamido-5-methylhexanoic acid 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 | C9H17NO3 |
| Molecular Weight | 187.24 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.) | 1958 |
| Nitrogen Atoms | 1 |
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- 2-Acetamido-4-methylhexanoic acid (CAS 757959-97-0)
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Recommended Standards
- 2-Acetamidoheptanoic acid (CAS 5440-34-6)
- 2-Amino-1-(naphthalen-1-yl)ethan-1-ol (CAS 23913-55-5)
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- 2,7,8-Trimethylquinolin-4(1H)-one (CAS 60019-55-8)
- N-(2,3-Dimethylphenyl)-2-[4-(4-fluorophenyl)piperazin-1-yl]acetamide (CAS 329080-03-7)
- rac-[(1R,3aS,7aS)-hexahydro-1H-furo[3,4-c]pyran-1-yl]methanamine hydrochloride (CAS 1909286-48-1)
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- 3-(2-Oxoindolin-5-yl)benzoic acid (CAS 358733-02-5)
- 2-Ethyl-4-(pyridin-3-yl)pyrimidine-5-carboxylic acid (CAS 1707372-89-1)
- Benzyl (3-aminobicyclo[1.1.1]pentan-1-yl)carbamate (CAS 2165347-54-4)
- 2-(4-(4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)butyl)isoindoline-1,3-dione (CAS 1422126-40-6)
- (R)-3-(tert-Butoxycarbonyl)-5,5-dimethylthiazolidine-4-carboxylic acid (CAS 117918-23-7)
- D-[His]1-Semaglutide X TFA salt (CAS CATO-CPTD788634)
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