4-((2-Hydroxy-5-methylphenyl)amino)-4-oxobutanoic acid CAS 249277-56-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 249277-56-3 |
| Molecular Formula | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((2-Hydroxy-5-methylphenyl)amino)-4-oxobutanoic acid (CAS 249277-56-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13NO4. Molecular weight: 223.23 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 4-((2-Ethoxy-2-oxoethyl)amino)benzoic acid (CAS 23284-85-7)
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- 3-Phenylpyrido[2,3-b]pyrazin-2(1H)-one (CAS 439148-46-6)
- 2-(2,6-Difluorophenyl)acetonitrile (CAS 654-01-3)
- 2-((2-Hydroxyethyl)thio)acetamide (CAS 20101-84-2)
- 4-Chloro-2-fluoro-5-((4-fluorobenzyl)oxy)aniline (CAS 453557-77-2)
- 2-Methylbut-3-en-2-amine (CAS 2978-60-1)
- (2-Amino-3-pyridinyl)methanol (2-Amino-pyridin-3-yl)-methanol (2-Aminopyridin-3-yl)methanol 2-Amino-3-(hydroxymethyl)pyridine 23612-57-9 (CAS 23612-57-9)
- 2,4-Dichloro-5-(cyclopropylmethoxy)phenylboronic acid (CAS 1256354-91-2)
- Hexapeptide-10 (CAS 146439-94-3)
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