Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate CAS 163626-86-6
| CAS No. | 163626-86-6 |
| Molecular Formula | C9H17N2O3P |
| Molecular Weight | 232.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 232.22 g/mol gives Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate (CAS 163626-86-6) is a high-purity analytical reference standard with the molecular formula C9H17N2O3P and a molecular weight of 232.22 g/mol.
Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate (C9H17N2O3P) contains an amide group, a phosphonate group, a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
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), Diethyl ((1-methyl-1H-pyrazol-5-yl)methyl)phosphonate 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 | C9H17N2O3P |
| Molecular Weight | 232.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 2 |
Related Diethyl Standards
- 4,5-diethyl 2-oxo-1,3-dioxolane-4,5-dicarboxylate (CAS 1358802-65-9)
- Diethyl (3-fluorophenyl)phosphonate (CAS 23588-07-0)
- Diethyl 2-(3-methoxypropyl)malonate (CAS 137045-28-4)
- Diethyl (5-formylfuran-2-yl)phosphonate (CAS 213124-94-8)
- Diethyl (1,1-difluoro-3-hydroxypropyl)phosphonate (CAS 1225194-19-3)
- 4,4-Diethyl-1-phenylpyrazolidine-3,5-dione (CAS 1732-61-2)
- Diethyl 2,5-diaminohexanedioate (CAS 732246-90-1)
- Diethyl butane-1,4-diyldicarbamate (CAS 6935-80-4)
Recommended Standards
- (1S)-1-(1-benzothiophen-3-yl)-2,2,2-trifluoroethan-1-ol (CAS 1423040-67-8)
- 7-((Difluoromethyl)thio)-4-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1672661-80-1)
- (1R)-1-(1-benzothiophen-3-yl)-2,2,2-trifluoroethan-1-ol (CAS 1423040-63-4)
- Phenyl trifluoromethanesulfonate (CAS 17763-67-6)
- 4-Iodo-1-isopropyl-3-nitro-1H-pyrazole (CAS 1354704-88-3)
- 2-(5-(3-(5-Carboxypentyl)-1,1-dimethyl-1,3-dihydro-2H-benzo[e]indol-2-ylidene)penta-1,3-dien-1-yl)-1,1,3-trimethyl-1H-benzo[e]indol-3-ium (CAS 1449661-34-0)
- 5-(1-Amino-2-methylpropyl)-1,3,4-thiadiazol-2-amine dihydrochloride (CAS 1243250-16-9)
- 2-((6-Methyl-4-phenylquinazolin-2-yl)thio)acetamide (CAS 1447960-59-9)
- 3-(2,3-Dihydro-1H-indol-1-yl)propan-1-ol (CAS 105150-22-9)
- 1-(3-Chlorophenyl)-4-(piperidine-1-carbonyl)pyrrolidin-2-one (CAS 1090555-93-3)
- (4-(Piperidin-1-yl)-2-(trifluoromethyl)phenyl)boronic acid (CAS 2225179-13-3)
- 1-(Methoxymethyl)pyrazole (CAS 125001-10-7)
- Methyl 2-amino-5-ethoxy-4-fluorobenzoate (CAS 1248353-15-2)
- Tirzepatide Impurity 34 (CAS CATO-C4X-324034)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com