4-(2-Hydroxyethyl)-1,5-dimethyl-1H-pyrazol-3(2H)-one CAS 258281-03-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 258281-03-7 |
| Molecular Formula | C7H12N2O2 |
| Molecular Weight | 156.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(2-Hydroxyethyl)-1,5-dimethyl-1H-pyrazol-3(2H)-one (CAS 258281-03-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C7H12N2O2. Molecular weight: 156.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C7H12N2O2 |
| Molecular Weight | 156.18 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Hydroxyethyl Standards
- 2-(2-Hydroxyethyl)-6-methyl-4,5-dihydropyridazin-3(2H)-one (CAS 5843-91-4)
- 3-Ethyl-1-(2-hydroxyethyl)-1H-pyrazol-5(4H)-one (CAS 866472-81-3)
- 4-(2-Hydroxyethyl)-1,3-dimethyl-1H-pyrazol-5-ol (CAS 65288-02-0)
- 4-(2-Hydroxyethyl)-2,5-dimethylpyrazol-3-one (CAS 258281-02-6)
- 4-(2-Hydroxyethyl)-3,4-dimethyl-1H-pyrazol-5(4H)-one (CAS 401934-50-7)
- 5-(2-Hydroxyethyl)thiophene-2-carbaldehyde (CAS 131202-63-6)
- 2-Hydroxyethyl Methanethiosulfonate (CAS 13700-08-8)
- 1-(2-Hydroxyethyl)-1H-pyrazole-4-carboxylic acid (CAS 1006469-47-1)
Recommended Standards
- 4-(2-Aminopropyl)-5-methylisoxazol-3(2H)-one (CAS 60636-73-9)
- 4-((Dimethylamino)methyl)-5-methylisoxazol-3-ol (CAS 58893-35-9)
- 4-(2-Methoxyethyl)-3-methylisoxazol-5-amine (CAS 89851-82-1)
- (S)-2-Acetamido-3,3-diphenylpropanoic acid (CAS 149597-89-7)
- 2-(2-(2-(4-Nitrophenoxy)ethoxy)ethoxy)ethanol (CAS 63134-26-9)
- Hydroxypropyl Acrylate (mixture of 2-Hydroxypropyl and 2-Hydroxy-1-methylethyl Acrylate) (stabilized with MEHQ) (CAS 25584-83-2)
- Ridaforolimus (CAS 572924-54-0)
- 4-fluoro-N-[2-(hydroxymethyl)phenyl]benzamide (CAS 423731-07-1)
- 1-Bromo-4-((4-(heptan-4-yl)phenoxy)methyl)benzene (CAS 2007917-46-4)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com