(S)-2-isobutyramido-4-methylpentanoic acid CAS 55443-75-9
| CAS No. | 55443-75-9 |
| Molecular Formula | C10H19NO3 |
| Molecular Weight | 201.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 201.26 g/mol gives (S)-2-isobutyramido-4-methylpentanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(S)-2-isobutyramido-4-methylpentanoic acid (CAS 55443-75-9) is a high-purity analytical reference standard with the molecular formula C10H19NO3 and a molecular weight of 201.26 g/mol.
Based on its molecular formula C10H19NO3, (S)-2-isobutyramido-4-methylpentanoic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 201.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (S)-2-isobutyramido-4-methylpentanoic 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 | C10H19NO3 |
| Molecular Weight | 201.26 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.) | 1972 |
| Nitrogen Atoms | 1 |
Related S Standards
- 3-(Isobutyramido)benzeneboronic acid (CAS 874459-76-4)
- 5-Isobutyramido-1-methyl-1H-pyrazole-3-carboxylic acid (CAS 1239753-88-8)
- Methyl 2-isobutyramido-2-methylpropanoate (CAS 445396-06-5)
- 3-Isobutyramido-2,2,3-trimethylbutanoic acid (CAS 1492838-80-8)
- 4-Isobutyramido-N-methylbenzamide (CAS 885913-58-6)
- 2-Isobutyramido-5-methylbenzoic acid (CAS 890982-57-7)
- 5-Isobutyramido-1,4-dimethyl-1H-pyrazole-3-carboxylic acid (CAS 1239775-03-1)
- 2-Isobutyramido-3-(1H-pyrazol-1-yl)propanoic acid (CAS 1263206-34-3)
Recommended Standards
- (S)-2-(Boc-amino)-3-methylbutanal (CAS 79069-51-5)
- (S)-3-(1-Methyl-1H-indol-3-yl)butanal (CAS 406920-65-8)
- (S)-1-Boc-3-(Hydroxymethyl)pyrrolidine (CAS 199174-24-8)
- (S)-3-Amino-3-(naphthalen-1-yl)propan-1-ol (CAS 886061-24-1)
- N-Ethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline (CAS 1235451-55-4)
- 1-(2,4,6-Trichloropyridin-3-yl)prop-2-en-1-one (CAS 1402149-11-4)
- 5-Bromobenzene-1,2,4-triol (CAS 98138-58-0)
- 4-Amino-6-ethoxypicolinic acid (CAS 1235475-50-9)
- 3-bromo-6-chloropyrazolo[1,5-a]pyrimidine (CAS 1314893-92-9)
- tert-Butyl hexahydro-1H-pyrido[1,2-a]pyrazine-2(6H)-carboxylate (CAS 1493766-60-1)
- 1-(5-Bromo-4-methyl-1H-pyrrol-3-yl)ethanone (CAS 202286-27-9)
- 1-Ethyl-4-isopropyl-1H-imidazole (CAS 154385-47-4)
- 2-Chloro-6-phenyl-4-(trifluoromethyl)pyridine (CAS 22123-13-3)
- Semaglutide impurity 197 (CAS CATO-C4X-2226197)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com