(R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid CAS 847480-01-7
| CAS No. | 847480-01-7 |
| Molecular Formula | C3H5N5O2 |
| Molecular Weight | 143.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid (CAS 847480-01-7), molecular formula C3H5N5O2 and molecular weight 143.10 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C3H5N5O2, (R)-2-Amino-2-(1H-1,2,3,4-tetrazol-5-yl)acetic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 143.10 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C3H5N5O2 |
| Molecular Weight | 143.10 g/mol |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
Related R Standards
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