4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one CAS 7721-54-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 7721-54-2 |
| Molecular Formula | C6H10N2O2 |
| Molecular Weight | 142.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Hydroxyethyl)-3-methyl-2-pyrazolin-5-one (CAS 7721-54-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H10N2O2. Molecular weight: 142.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H10N2O2 |
| Molecular Weight | 142.16 g/mol |
| 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.) | 1959 |
| Nitrogen Atoms | 2 |
Related Hydroxyethyl Standards
- 2-(2-Hydroxyethyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 56226-25-6)
- 4-(2-Hydroxyethyl)-5-methyl-1H-pyrazol-3-ol (CAS 65287-96-9)
- 2-(2-Hydroxyethyl)cyclohexan-1-one (CAS 10198-27-3)
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- 2-Hydroxyethyl Phosphate (CAS 1892-26-8)
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- 3-(1-Hydroxyethyl)-4-methyl-1H-1,2,4-triazol-5(4H)-one (CAS 1446487-94-0)
Recommended Standards
- 4-(2-Aminoethyl)-5-methylisoxazol-3(2H)-one (CAS 58728-68-0)
- 4-(2-Aminoethyl)-3-methylisoxazol-5(2H)-one (CAS 952958-72-4)
- 4-(3-Aminopropyl)-4,5-dihydro-1,2-oxazol-5-one (CAS 25055-43-0)
- N-Benzyl-N-(cyclohexylmethyl)pyrrolidin-3-amine (CAS 820984-33-6)
- 2-((2-(Diethylamino)ethyl)thio)pyrimidin-4(1H)-one (CAS 2434-52-8)
- Flurbiprofen Impurity 78 (CAS CATO-C4X-144478)
- N-(5-Chloro-2,4-dimethoxyphenyl)-3-(furan-2-yl)acrylamide (CAS 853349-21-0)
- 1-(2-Methylpyrazolo[1,5-a]pyrazin-4-yl)piperidine-3-carboxylic acid (CAS 1708013-11-9)
- 4-(3-Chlorophenyl)-N-methylpiperazine-1-carbothioamide (CAS 457093-73-1)
- Semaglutide impurity 210 (CAS CATO-C4X-2226210)
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