2-(4-Amino-1H-pyrazol-1-yl)acetic acid CAS 1006348-46-4
| CAS No. | 1006348-46-4 |
| Molecular Formula | C5H7N3O2 |
| Molecular Weight | 141.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(4-Amino-1H-pyrazol-1-yl)acetic 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-(4-Amino-1H-pyrazol-1-yl)acetic acid (CAS 1006348-46-4) is a high-purity analytical reference standard with the molecular formula C5H7N3O2 and a molecular weight of 141.13 g/mol.
2-(4-Amino-1H-pyrazol-1-yl)acetic acid (C5H7N3O2) 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. 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 | C5H7N3O2 |
| Molecular Weight | 141.13 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.) | 1988 |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 2-(3-Amino-1H-pyrazol-1-yl)acetic acid (CAS 1006319-29-4)
- 4-Amino-1-methylpyrazole-3-carboxylic Acid (CAS 1006334-34-4)
- 5-Amino-N-methyl-1H-1,2,4-triazole-3-carboxamide (CAS 1019126-62-5)
- 4-Amino-1H-pyrazole-3-carbohydrazide (CAS 1026783-39-0)
- 1119471-86-1 methyl 4-amino-1H-pyrazole-5-carboxylate hydrochloride (CAS 1119471-86-1)
- 5-Amino-1-methyl-1H-imidazole-4-carboxylic acid (CAS 112277-40-4)
- 5-Amino-1-methyl-1H-pyrazole-3-carboxylic Acid (CAS 117860-53-4)
- 3-Amino-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 117860-54-5)
Recommended Standards
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- Methyl 5-methylisoxazole-3-carboxylate (CAS 19788-35-3)
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