2-((Carboxymethyl)(ethyl)amino)benzoic acid CAS 21716-74-5
| CAS No. | 21716-74-5 |
| Molecular Formula | C11H13NO4 |
| Molecular Weight | 223.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-((Carboxymethyl)(ethyl)amino)benzoic 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.
2-((Carboxymethyl)(ethyl)amino)benzoic acid (CAS 21716-74-5), molecular formula C11H13NO4 and molecular weight 223.23 g/mol, is a CATO reference standard with documented purity and traceability.
2-((Carboxymethyl)(ethyl)amino)benzoic acid (C11H13NO4) 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1963 |
| Nitrogen Atoms | 1 |
Related Carboxymethyl Standards
- 6-((CARBOXYMETHYL)CARBAMOYL)PICOLINIC ACID (CAS 125686-80-8)
- 3-(Carboxymethyl)-1,2,4-cyclopentanetricarboxylic acid 1,4:2,3-dianhydride (CAS 6053-46-9)
- 2-(Carboxymethyl)-4-nitrobenzoic Acid (CAS 39585-32-5)
- 2-(Carboxymethyl)-5-nitrobenzoic acid (CAS 3898-66-6)
- 3-(Carboxymethyl)-4-nitrobenzoic acid (CAS 884494-72-8)
- 4-(Carboxymethyl)-3-nitrobenzoic Acid (CAS 444667-11-2)
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Recommended Standards
- 2-((5-Methoxy-1H-indol-3-yl)methylene)malononitrile (CAS 771574-78-8)
- 2-((Propoxycarbonyl)amino)benzoic acid (CAS 68790-35-2)
- 2-((4-Nitrophenoxy)methyl)tetrahydrofuran (CAS 91134-13-3)
- 2-(1,3-Dioxooctahydro-2H-4,7-methanoisoindol-2-yl)acetic acid (CAS 26785-97-7)
- 3-Isopropyl-1-methyl-1H-pyrazole-4-carbaldehyde (CAS 1152502-99-2)
- N-(5,5-Dimethyl-2-Oxooxolan-3-yl-2,2,2-Trifluoroacetamide (CAS 77694-20-3)
- Iprodione isomer 1 (CAS 63637-89-8)
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