| CAS No. | 1955548-57-8 |
| Molecular Formula | C7H13N3O2 |
| Molecular Weight | 171.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The occurrence of 3-amino-4-(3-hydroxypropyl)-4-methyl-4,5-dihydro-1H-pyrazol-5-one is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-amino-4-(3-hydroxypropyl)-4-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 1955548-57-8), molecular formula C7H13N3O2 and molecular weight 171.20 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 3-amino-4-(3-hydroxypropyl)-4-methyl-4,5-dihydro-1H-pyrazol-5-one is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 171.20 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures 3-amino-4-(3-hydroxypropyl)-4-methyl-4,5-dihydro-1H-pyrazol-5-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C7H13N3O2 |
| Molecular Weight | 171.20 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 3 |