4-Azido-1-methyl-1H-pyrazole CAS 167226-48-4
| CAS No. | 167226-48-4 |
| Molecular Formula | C4H5N5 |
| Molecular Weight | 123.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Azido-1-methyl-1H-pyrazole (C4H5N5) 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 supplies 4-Azido-1-methyl-1H-pyrazole (CAS 167226-48-4), a certified reference material (molecular formula C4H5N5, MW 123.12 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Azido-1-methyl-1H-pyrazole 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.
Physical & Chemical Properties
| Molecular Formula | C4H5N5 |
| Molecular Weight | 123.12 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2004 |
| Nitrogen Atoms | 5 |
Related Azido Standards
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Recommended Standards
- 1,5-Diamino-1h-imidazole-4-carbonitrile (CAS 141563-06-6)
- 1,1-Difluoro-2-isothiocyanatoethane (CAS 675-37-6)
- Picolinic Acid (CAS 98-98-6)
- 3,5-Diamino-1H-pyrazole-4-carbonitrile (CAS 6844-58-2)
- 5-Heneicosyl-1,3-benzenediol 5-Heneicosyl-1,3-dihydroxybenzene 5-Heneicosylresorcinol 70110-59-7 (CAS 70110-59-7)
- 2-Bromo-5-iodopyridin-3-amine (CAS 1138444-06-0)
- 1-Benzyl-5-chloro-1H-1,3-benzodiazole-2-thiol (CAS 100440-60-6)
- (2-Propoxy-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1218790-63-6)
- 2,9,12-Trioxa-4-azadispiro[4.2.4.2]tetradecane-1,3-dione (CAS 1567899-09-5)
- Ethyl 4-bromo-2-fluorobenzamide (CAS 749927-82-0)
- Zileuton Related Compound B (CAS 97978-07-9)
- Perfluorotributylamine (Pftba) (CAS 311-89-7)
- 3-(1H-benzo[d]imidazol-1-yl)benzoic acid (CAS 686708-68-9)
- Semaglutide impurity 94 (CAS CATO-C4X-222694)
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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