1,3-Dimethylpyrazole CAS 694-48-4
| CAS No. | 694-48-4 |
| Molecular Formula | C5H8N2 |
| Molecular Weight | 96.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,3-Dimethylpyrazole (CAS 694-48-4), molecular formula C5H8N2 and molecular weight 96.13 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,3-Dimethylpyrazole (C5H8N2) is characterized by a nitrile group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1,3-Dimethylpyrazole 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 | C5H8N2 |
| Molecular Weight | 96.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Related Dimethylpyrazole Standards
- 1,4-Dimethylpyrazole (CAS 1072-68-0)
- 1,5-Dimethylpyrazole (CAS 694-31-5)
- 3,5-Dimethylpyrazole (CAS 67-51-6)
- 1,3-Dimethylpyrazole-4-methanamine (CAS 400756-28-7)
- 3,5-Dimethylpyrazole-1-carboxamidine (CAS 22906-75-8)
- 1,5-Dimethylpyrazole-3-carboxamide (CAS 54384-74-6)
- 3,5-Dimethylpyrazole-4-carboxylic Acid (CAS 113808-86-9)
- 1,4-Dimethylpyrazole-3-carboxylic Acid (CAS 89202-89-1)
Recommended Standards
- 2-Ethylfuran (CAS 3208-16-0)
- 2,4-Hexadienal (CAS 142-83-6)
- 2,5-Dimethylfuran (CAS 625-86-5)
- 2-Methyl-2-cyclopentenone (CAS 1120-73-6)
- (S)-Allylphos (CAS 2375836-77-2)
- 2-(2-hydroxyanilino)acetic acid (CAS 71428-90-5)
- 4-Azido-2-chloro-1-fluorobenzene (CAS 85862-85-7)
- N-(4-fluorobenzyl)-3-(1H-imidazol-1-yl)propan-1-amine (CAS 279236-31-6)
- 4-(2-Methoxyethoxy)-N-methylaniline (CAS 1178243-33-8)
- 1,3-Bis(4-fluorophenyl)-1H-pyrazol-5-amine (CAS 72411-57-5)
- 6-(2-Ethyl-5-iodobenzyl)-2,3-dihydrobenzo[b][1,4]dioxine (CAS 2306264-71-9)
- [(2-Bromophenyl)methyl](prop-2-en-1-yl)amine hydrochloride (CAS 1240569-05-4)
- 4-Androstene-3,17-dione D8 (CAS 4273-45-4)
- Semaglutide (CAS 910463-68-2（free base）)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com