1H-Pyrazole-3,5-dicarboxamide CAS 1397683-79-2
| CAS No. | 1397683-79-2 |
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1H-Pyrazole-3,5-dicarboxamide 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.
1H-Pyrazole-3,5-dicarboxamide (CAS 1397683-79-2), molecular formula C5H6N4O2 and molecular weight 154.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1H-Pyrazole-3,5-dicarboxamide (C5H6N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 154.13 g/mol, it falls into the medium-molecular-weight range. 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 1H-Pyrazole-3,5-dicarboxamide 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.
Physical & Chemical Properties
| Molecular Formula | C5H6N4O2 |
| Molecular Weight | 154.13 g/mol |
| Appearance | Off-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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related H Standards
- 4H-Pyrazole-3-carboxylic acid, 5-methyl-, ethyl ester (CAS 886495-75-6)
- 1H-Pyrazole, 5-chloro-4-ethynyl-1,3-dimethyl- (CAS 61514-57-6)
- 1H-Pyrazole-1,5-dicarboxylic acid (CAS 90993-83-2)
- 1H-Pyrazole-3,4-dicarboxylic acid (CAS 31962-35-3)
- 1H-Pyrazole-3,5-dicarboxylic acid (CAS 3112-31-0)
- 3H-Pyrazole-3,5-dicarboxylic acid (CAS 85908-17-4)
- 1H-pyrazole-4-sulfonamide (CAS 27429-59-0)
- 1H-Pyrazole-4-sulfonic acid (CAS 438630-65-0)
Recommended Standards
- 1-(2,2,2-Trifluoroethyl)azetidin-3-amine (CAS 1339236-05-3)
- N-(4-Amino-6-oxo-1,6-dihydropyridazin-3-yl)formamide (CAS 140662-77-7)
- N-(2,2,2-Trifluoroethyl)azetidin-3-amine (CAS 1332886-61-9)
- 3-(3,3,3-trifluoropropoxy)prop-1-ene (CAS 1421602-07-4)
- rac-Erythro-3-hydroxy-DL-ornithine MonoHCl (CAS 66954-83-4)
- 1,5-Dimethylpyrazole-4-boronic Acid Pinacol Ester (CAS 1036991-40-8)
- 4-(Benzylthio)-5-ethoxy-2-phenylpyridazin-3(2H)-one (CAS 5509-78-4)
- (6-Bromobenzo[d][1,3]dioxol-4-yl)boronic acid (CAS 1150114-39-8)
- (4S,5S)-octane-4,5-diamine (CAS 138812-22-3)
- 5-Cyanopyridine-3-boronic Acid (CAS 497147-93-0)
- N-methyl-1-(5-phenylpyridin-2-yl)methanamine (CAS 892502-02-2)
- 4-Chloro-N-(4-methoxyphenyl)-3-nitrobenzene-1-sulfonamide (CAS 30751-26-9)
- (2,2,3,3-tetrafluorocyclobutyl)methanol (CAS 378-17-6)
- Myelin Basic Protein (85-99) Peptide Antagonist (CAS 444305-16-2)
Why CATO?
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