5-Isobutyl-4-methyl-1H-pyrazol-3(2H)-one CAS 205813-75-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 205813-75-8 |
| Molecular Formula | C8H14N2O |
| Molecular Weight | 154.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Isobutyl-4-methyl-1H-pyrazol-3(2H)-one (CAS 205813-75-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H14N2O. Molecular weight: 154.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H14N2O |
| Molecular Weight | 154.21 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.) | 2015 |
| Nitrogen Atoms | 2 |
Related Isobutyl Standards
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- 1-Isobutyl-N-methyl-1H-1,2,4-triazol-5-amine (CAS 765841-87-0)
- 2-Isobutyl-5-methyl-1H-pyrazol-3(2H)-one (CAS 857989-07-2)
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Recommended Standards
- 5-Imino-N,N,2,2-tetramethyl-2,5-dihydrofuran-3-amine (CAS 953076-71-6)
- 5-Ethyl-N,N,4-trimethyl-4H-1,2,4-triazol-3-amine (CAS 733698-87-8)
- 5-Isopropyl-1-methyl-1H-pyrazole-3,4-diamine (CAS 199342-18-2)
- tert-Butyl N-[cis-3-hydroxypiperidin-4-yl]carbamate (CAS 1787258-87-0)
- 2-(Pyrrolidin-1-yl)pyrimidine-5-boronic acid pinacol ester (CAS 1015242-07-5)
- 7-Phenoxy-1,2,3,4-tetrahydroquinoline (CAS 874498-69-8)
- tert-Butyl 3-methyl-6,7-dihydroisoxazolo[4,5-c]pyridine-5(4H)-carboxylate (CAS 2241014-04-8)
- ONO 8809 (CAS 123288-47-1)
- 1-(2,6-Difluorophenyl)cyclopropanamine (CAS 1314672-24-6)
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
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