287399-28-4 4-Hydroxy(carboxy-~13~C_7_)benzoic acid DTXSID40745761 CAS 287399-28-4
| CAS No. | 287399-28-4 |
| Molecular Formula | [13C]7H6O3 |
| Molecular Weight | 145.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
287399-28-4 4-Hydroxy(carboxy-~13~C_7_)benzoic acid DTXSID40745761 (CAS 287399-28-4) is a high-purity analytical reference standard with the molecular formula [13C]7H6O3 and a molecular weight of 145.07 g/mol.
Based on its molecular formula [13C]7H6O3, 287399-28-4 4-Hydroxy(carboxy-~13~C_7_)benzoic acid DTXSID40745761 contains an organic framework; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 145.07 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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.
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.
Physical & Chemical Properties
| Molecular Formula | [13C]7H6O3 |
| Molecular Weight | 145.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 2025 |
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