3-(Butylamino)-1H-pyrazol-5(4H)-one CAS 57338-44-0
| CAS No. | 57338-44-0 |
| Molecular Formula | C7H13N3O |
| Molecular Weight | 155.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(Butylamino)-1H-pyrazol-5(4H)-one (CAS 57338-44-0) is a high-purity analytical reference standard with the molecular formula C7H13N3O and a molecular weight of 155.20 g/mol.
3-(Butylamino)-1H-pyrazol-5(4H)-one (C7H13N3O) contains an amide group, a hydroxyl group, an ether linkage. 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.
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.
As a certified reference material (CRM), 3-(Butylamino)-1H-pyrazol-5(4H)-one 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 | C7H13N3O |
| Molecular Weight | 155.20 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| 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.) | 1973 |
| Nitrogen Atoms | 3 |
Related Butylamino Standards
- 3-(sec-Butylamino)-1H-pyrazol-5(4H)-one (CAS 57338-45-1)
- 4-(Tert-butylamino)furan-2(5H)-one (CAS 54494-75-6)
- ((Tert-butylamino)methyl)trifluoroborate (CAS 1256444-88-8)
- 3-(sec-Butylamino)-N-methylpropanamide (CAS 1001346-14-0)
- 3-(tert-Butylamino)-N-methylpropanamide (CAS 1040689-89-1)
- 3-(Butylamino)butanoic acid (CAS 112996-50-6)
- 3-(tert-Butylamino)propanohydrazide (CAS 19615-21-5)
- 3-(sec-Butylamino)propanohydrazide (CAS 22411-65-0)
Recommended Standards
- 3-(4,5-Dihydro-1H-imidazol-2-yl)-1,1-dimethylguanidine (CAS 752924-14-4)
- 3-(Cyanomethyl)-1,1-diethylurea (CAS 881937-41-3)
- 3-(2-Methoxyethyl)-1-methyl-1H-pyrazol-5-amine (CAS 97820-74-1)
- 3-(Morpholinoamino)propanenitrile (CAS 59701-76-7)
- 3-(4-Methoxyphenoxy)propan-1-amine, HCl (CAS 100840-60-6)
- 2,3,4,5-Tetrahydrobenzo[f][1,4]oxazepine-7-carbaldehyde (CAS 1217862-83-3)
- 1H-pyrrolo[2,3-c]pyridine hydrobromide (CAS 935685-89-5)
- (4-(Trifluoromethyl)pyridin-2-yl)methanamine (CAS 872577-05-4)
- 1-Ethyl-3-methylimidazolium Hydrogen Sulfate (CAS 412009-61-1)
- 5-{[(4-chlorophenyl)sulfanyl]methyl}-2-[3-(2,5-dimethyl-1H-pyrrol-1-yl)thiophen-2-yl]pyrazolo[1,5-a]pyrimidin-7-ol (CAS 691868-62-9)
- 1-AMINO-6-CHLORO-2,3-DIHYDRO-1H-INDENE-1-CARBOXYLIC ACID (CAS 1270408-57-5)
- Benzyl (cis-2-aminocyclohexyl)carbamate (CAS 445479-92-5)
- 3-(Heptan-3-ylamino)tetrahydrothiophene 1,1-dioxide (CAS 1496928-56-3)
- Tau Peptide (401-411)-Lys-Lys trifluoroacetate salt (CAS 2022956-59-6)
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