L-Glutamic acid γ-(3-carboxy-4-hydroxyanilide) CAS 74929-17-2
| CAS No. | 74929-17-2 |
| Molecular Formula | C12H14N2O6 |
| Molecular Weight | 282.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
L-Glutamic acid γ-(3-carboxy-4-hydroxyanilide) (CAS 74929-17-2) is a high-purity analytical reference standard with the molecular formula C12H14N2O6 and a molecular weight of 282.25 g/mol.
Structurally, L-Glutamic acid γ-(3-carboxy-4-hydroxyanilide) (C12H14N2O6) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 282.25 g/mol, it falls into the medium-molecular-weight range. 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).
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), L-Glutamic acid γ-(3-carboxy-4-hydroxyanilide) 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 | C12H14N2O6 |
| Molecular Weight | 282.25 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 2 |
Related L Standards
- Glutamic acid Impurity 4 (CAS 57444-70-9)
- Glutamic acid impurity 5 (CAS 87039-96-1)
- Glutamic acid impurity 6 (CAS 1308957-12-1)
- Glutamic acid impurity 7 (CAS CATO-C4X-28627)
- L-Glutamic acid γ-(2,2,2-trichloroethyl) ester (CAS 92739-23-6)
- L-Glutamic acid, 4-(2-naphthalenylmethyl)-, (4R)- (CAS 207497-67-4)
- Glutamic acid Impurity 10 (CAS 67278-32-4)
- Glutamic acid impurity 8 (CAS 67278-37-9)
Recommended Standards
- Diethyl 2-(3-nitropyridin-4-yl)malonate (CAS 54415-82-6)
- N-(1,3-dioxoisoindolin-2-yl)-2-hydroxybenzamide (CAS 57187-42-5)
- Diethyl 2-(3-nitropyridin-2-yl)malonate (CAS 64362-41-0)
- N-(1H-Benzo[d]imidazol-2-yl)-3-nitrobenzamide (CAS 301675-24-1)
- 2-(tert-Butyl)-7-ethylindoline (CAS 592465-75-3)
- 3-Amino-3-(2-chloro-4-fluorophenyl)propanoic acid (CAS 682803-74-3)
- [(5-Chlorothiophen-2-yl)methyl]hydrazine (CAS 887592-42-9)
- 7440-04-2 2E7M255OPY Osmium Osmium, elemental EINECS 231-114-0 Metallic osmium HSDB 7329 UNII-2E7M255OPY (CAS 7440-04-2)
- 2-((4-(4-Bromophenyl)-5-(pyridin-3-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(3,5-dimethoxyphenyl)acetamide (CAS 477330-88-4)
- L-asparticacid,xsodiumsalt (CAS 17090-93-6)
- (2S,4S)-methyl 1-benzyl-4-((tert-butyldimethylsilyl)oxy)pyrrolidine-2-carboxylate (CAS 1318129-60-0)
- (S)-8-Fluoro-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 1798336-30-7)
- 2-Bromo-1-(methoxymethoxy)-4-(trifluoromethyl)benzene (CAS 162270-11-3)
- [D-His1]-Semaglutide (CAS CATO-C4X-2226127)
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