3-(furan-2-yl)-1-methyl-4,5-dihydro-1H-pyrazol-5-one CAS 37432-58-9
| CAS No. | 37432-58-9 |
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3-(furan-2-yl)-1-methyl-4,5-dihydro-1H-pyrazol-5-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.
CATO supplies 3-(furan-2-yl)-1-methyl-4,5-dihydro-1H-pyrazol-5-one (CAS 37432-58-9), a certified reference material (molecular formula C8H8N2O2, MW 164.16 g/mol) for analytical method development and quality control.
3-(furan-2-yl)-1-methyl-4,5-dihydro-1H-pyrazol-5-one (C8H8N2O2) contains an amino-acid-derived structure, an amide 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C8H8N2O2 |
| Molecular Weight | 164.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related furan Standards
- Furan-2-yl(furan-3-yl)methanol (CAS 1343770-55-7)
- furan-2-yl(1H-imidazol-2-yl)methanol (CAS 1502768-59-3)
- (3-(Furan-2-yl)-1H-pyrazol-5-yl)methanol (CAS 84978-67-6)
- (3-(Furan-2-yl)isoxazol-5-yl)methanamine (CAS 27473-54-7)
- (5-(Furan-2-yl)isoxazol-3-yl)methanamine (CAS 850375-13-2)
- 1-(Furan-2-ylmethyl)-1H-pyrazol-3(2H)-one (CAS 53409-46-4)
- Ethyl 3-(furan-2-yl)prop-2-ynoate (CAS 38898-09-8)
- 2-(Furan-3-yl)cyclohexan-1-one (CAS 1343456-25-6)
Recommended Standards
- 3-(Benzylthio)-6-propoxypyridazine (CAS 5273-53-0)
- 3-(Hydroxymethyl)benzofuran-6-ol (CAS 221905-18-6)
- 3-(4-Amino-3-pyridinyl)-2-propenoic acid (CAS 773132-83-5)
- 3-(Pyridin-4-yl)oxazolidin-2-one (CAS 488720-30-5)
- (2E,4E)-2,5-Diphenylpenta-2,4-dienenitrile (CAS 6443-79-4)
- 4-Chloro-7-hydroxy-2H-chromene-3-carbaldehyde (CAS 1228581-06-3)
- N2-(3,4-Dimethylphenyl)-6-((4-(3-methoxyphenyl)piperazin-1-yl)methyl)-1,3,5-triazine-2,4-diamine (CAS 701224-63-7)
- 3-Amino-N-(2,3-dichlorophenyl)-4-phenyl-6-(p-tolyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 444153-42-8)
- 2-Ethyl-m-xylene (CAS 2870-04-4)
- Benzo[d]isothiazole-7-carbonitrile (CAS 1503290-36-5)
- N-((R)-(2-(Diphenylphosphanyl)phenyl)(perfluorophenyl)methyl)-2-methylpropane-2-sulfinamide (CAS 2766285-29-2)
- N-(1H-Indol-3-ylmethyl)-1H-indole-3-carboxamide (CAS 1420800-45-8)
- N-((1S,3r)-3-allyl-3-hydroxycyclobutyl)-2-naphthamide (CAS 1313759-97-5)
- Pancreatic Polypeptide (rat) (CAS 90419-12-8)
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