3-Isopropyl-1-methyl-1H-pyrazol-5-ol CAS 29939-24-0
| CAS No. | 29939-24-0 |
| Molecular Formula | C7H12N2O |
| Molecular Weight | 140.18 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.
3-Isopropyl-1-methyl-1H-pyrazol-5-ol (CAS 29939-24-0), molecular formula C7H12N2O and molecular weight 140.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H12N2O, 3-Isopropyl-1-methyl-1H-pyrazol-5-ol contains an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 140.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3-Isopropyl-1-methyl-1H-pyrazol-5-ol 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 | C7H12N2O |
| Molecular Weight | 140.18 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 2 |
Related Isopropyl Standards
- (1-Isopropyl-1H-pyrazol-4-yl)methanol (CAS 1007542-22-4)
- 3-Isopropyl-4-methyl-5-isoxazolamine (CAS 120771-22-4)
- (1-Isopropyl-1H-imidazol-4-yl)methanol (CAS 1315060-18-4)
- 5-Isopropyl-4-methyl-3-isoxazolamine (CAS 1424940-18-0)
- 5-Isopropyl-3-methylisoxazol-4-amine (CAS 1515275-52-1)
- 1-(5-Isopropyl-3-isoxazolyl)methanamine (CAS 154016-49-6)
- (1-Isopropyl-1H-imidazol-5-yl)methanol (CAS 80304-46-7)
- (2-Isopropyl-1H-imidazol-4-yl)methanol (CAS 53292-66-3)
Recommended Standards
- 3-Isopropyl-1-methyl-1H-pyrazol-5(4H)-one (CAS 31272-05-6)
- 3-Methyl-1-propyl-1H-pyrazol-5(4H)-one (CAS 42098-18-0)
- 3-Hydroxyiminoquinclidine (CAS 35423-17-7)
- 3-Methyl-1-propyl-1H-pyrazol-5-ol (CAS 29939-26-2)
- 4-(1,3-Dioxolan-2-ylmethyl)anisole 4-(1,3-dioxolan-2-ylmethyl)-1-methoxybenzene 91970-78-4 (CAS 91970-78-4)
- 4-(5-Oxazolyl)phenol (CAS 1128-71-8)
- H-trans-DL-β-Pro-4-(4-chlorophenyl)-OH·HCl (CAS 1049727-79-8)
- N-[(11bS)-2,6-Bis[3,5-bis(trifluoromethyl)phenyl]-4-oxido-dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide (CAS 1236120-02-7)
- Dicyclohexyl[2-(2,4,6-trimethylphenyl)-1H-inden-3-yl]phosphine (CAS 1373165-93-5)
- N,2-Dimethyl-1,4,5,6-tetrahydropyrimidine-4-carboxamide (CAS 848413-37-6)
- 3-((3-Bromophenyl)thio)butan-2-one (CAS 1341354-42-4)
- Ethyl 3-(3-methyl-1h-pyrazol-1-yl)-2-(methylamino)propanoate (CAS 1341055-21-7)
- N-benzyl-2-(furan-2-yl)pent-4-en-2-amine (CAS 435345-35-0)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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