2-(4-(Methylamino)phenoxy)acetic acid CAS 613656-66-9
| CAS No. | 613656-66-9 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 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.
2-(4-(Methylamino)phenoxy)acetic acid (CAS 613656-66-9), molecular formula C9H11NO3 and molecular weight 181.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(4-(Methylamino)phenoxy)acetic acid (C9H11NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 181.19 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H11NO3 |
| Molecular Weight | 181.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 1 |
Related Methylamino Standards
- 2-Methylamino-6-methoxybenzoic acid (CAS 254964-68-6)
- Ethyl 6-(Methylamino)pyridazine-3-carboxylate (CAS 365413-16-7)
- 22864-65-9 4-(METHYLAMINO)BENZOTRIFLUORIDE 4-TRIFLUOROMETHYL-N-METHYLANILINE AS01514 BENZENAMINE, N-METHYL-4-(TRIFLUOROMETHYL)- METHYL-(4-TRIFLUOROMETHYL-PHENYL)-AMINE N-METHYL-4-(TRIFLUOROMETHYL)-BENZENAMINE N-METHYL-N-[4-(TRIFLUOROMETHYL)PHENYL]AMINE N-methyl-4-(trifluoromethyl)aniline OTAVA-BB 1866869 (CAS 22864-65-9)
- 4-[(Methylamino)sulfonyl]butanoic acid (CAS 1042583-67-4)
- (4-(2-(Methylamino)ethoxy)phenyl)methanol (CAS 142558-11-0)
- 1-(Methylamino)-3-phenoxypropan-2-ol (CAS 39631-73-7)
- 1-(5-Methyl-6-(methylamino)pyridin-3-yl)propan-1-ol (CAS 1355174-16-1)
- 1-(4-Methyl-6-(methylamino)pyridin-3-yl)propan-1-ol (CAS 1355229-72-9)
Recommended Standards
- 2-(4-(Dimethylamino)pyrimidin-2-yl)acetic acid (CAS 944903-25-7)
- 2-(4-Amino-3-methoxyphenyl)acetic acid (CAS 230648-62-1)
- 2-(4-(Aminomethyl)phenoxy)acetic acid (CAS 33321-38-9)
- 2-(4-Hydroxy-3-methoxyphenyl)acetamide (CAS 29121-49-1)
- 1H-Imidazol-2(5H)-one (CAS 35724-27-7)
- N-(9-Oxo-9H-fluoren-3-yl)acetamide (CAS 6276-06-8)
- Valganciclovir Impurity 1 (S, S-Isovalganciclovir Impurity) (CAS 1401562-13-7)
- 8-bromoquinolin-6-ol (CAS 159925-99-2)
- 4-(1,1-Difluoroethyl)-2-fluoro-1-methylbenzene (CAS 1138445-12-1)
- 5-Methoxy-2-azaspiro[3.3]Heptane (CAS 2168976-11-0)
- 7-Bromo-3-[2-(4-methoxy-phenyl)-2-oxo-ethylidene]-3,4-dihydro-1H-quinoxalin-2-one (CAS 1380572-41-7)
- 3-[4-(Trifluoromethyl)phenoxy]benzoic Acid (CAS 72178-29-1)
- 2-Cyano-3-(4-hydroxy-3-methoxyphenyl)-N-(3-methoxyphenyl)propanamide (CAS 736936-71-3)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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