4-Methylpyrazole CAS 7554-65-6
| CAS No. | 7554-65-6 |
| Molecular Formula | C4H6N2 |
| Molecular Weight | 82.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-Methylpyrazole (CAS 7554-65-6), molecular formula C4H6N2 and molecular weight 82.10 g/mol, is a CATO reference standard with documented purity and traceability.
4-Methylpyrazole (C4H6N2) contains a nitrile group. Its physicochemical properties are representative of its class; 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.
CATO manufactures 4-Methylpyrazole 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 | C4H6N2 |
| Molecular Weight | 82.10 g/mol |
| Purity | >95% |
| 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.) | 1959 |
| Nitrogen Atoms | 2 |
Related Methylpyrazole Standards
- 3-methylpyrazole (CAS 1453-58-3)
- 1-Methylpyrazole-4-carbonitrile (CAS 66121-71-9)
- 3-Methylpyrazole-4-carbaldehyde (CAS 112758-40-4)
- 1-Methylpyrazole-3-carbaldehyde (CAS 27258-32-8)
- 1-Methylpyrazole-4-carbaldehyde (CAS 25016-11-9)
- 1-Methylpyrazole-5-carboxaldehyde (CAS 27258-33-9)
- 5-Acetyl-1-methylpyrazole (CAS 137890-05-2)
- 3-Methylpyrazole-4-boronic Acid (CAS 1071455-14-5)
Recommended Standards
- 3-Methylfuran (stabilized with HQ) (CAS 930-27-8)
- N-Nitrosodimethylamine-13C2-d6 (CAS 62-75-9 (non-labelled))
- 2-Butenenitrile, 3-amino-, (2Z)- 870-64-4 CTK3C5749 (CAS 870-64-4)
- Ondansetron EP Impurity F (CAS 693-98-1)
- 6-Fluoro-1-tetralone (CAS 703-67-3)
- 2-Chloro-3-[(E)-2-(dibenzylamino)ethenyl]-1,4-dihydronaphthalene-1,4-dione (CAS 298204-90-7)
- Methyl 3-(4-Methoxy-1-naphthoyl)propanoate (CAS 854678-16-3)
- 5-Hydroxyimino-3-methyl-1,2-dihydro-3-benzazepin-4-one (CAS 253324-90-2)
- N,N-Dimethyl-10,11-dihydro-5H-dibenzo[b,f]azepine-5-propanamine-2,8-D2 (CAS 2241983-10-6)
- 4-(2-Mercapto-4,4-dimethylpyrimidin-1(4H)-yl)benzenesulfonamide (CAS 1142213-13-5)
- 1-Methylcyclohexane-1-sulfinate (sodium) (CAS 2917638-85-6)
- (2-(Methylthio)phenyl)(4-(thiophen-2-yl)piperidin-1-yl)methanone (CAS 1396803-18-1)
- (2R,3aS,7aS)-Octahydro-1H-indole-2-carboxylic acid (CAS 145513-91-3)
- Semaglutide impurity 244(Fmoc-His(Fmoc)-Aib-OH) (CAS CATO-C4X-2226244)
Why CATO?
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