4,4-Dihydroxy-1-isopropyl-3-methyl-1H-pyrazol-5(4H)-one CAS 221325-62-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 221325-62-8 |
| Molecular Formula | C7H12N2O3 |
| Molecular Weight | 172.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,4-Dihydroxy-1-isopropyl-3-methyl-1H-pyrazol-5(4H)-one (CAS 221325-62-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H12N2O3. Molecular weight: 172.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H12N2O3 |
| Molecular Weight | 172.18 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 methanol, ethanol, DMSO, water |
| 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.) | 2020 |
| Nitrogen Atoms | 2 |
Related Dihydroxy Standards
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- 3,6-Dihydroxy-1,4-dimethylpiperazine-2,5-dione (CAS 59417-39-9)
- 3,6-Dihydroxy-4-methylphthalonitrile (CAS 100756-77-2)
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- 5,6-Dihydroxy-2-isopropylpyrimidin-4(1H)-one (CAS 57116-67-3)
Recommended Standards
- 4-(Pyrimidin-5-yl)phenol (CAS 69491-51-6)
- 4,4'-Oxydipyridine (CAS 53258-96-1)
- 4-(Pyrimidin-4-yl)phenol (CAS 23380-78-1)
- N-((6-Bromopyridin-3-yl)methyl)propan-2-amine hydrochloride (CAS 1353972-00-5)
- 1,3-diethyl 2-(3-bromo-4-chlorobenzoyl)propanedioate (CAS 1550537-55-7)
- n-(1-(4-Fluorophenyl)ethyl)propan-1-amine (CAS 740041-95-6)
- Eltrombopag (CAS 496775-61-2)
- Pteridine-2,4,7(1H,3H,8H)-trione (CAS 2577-38-0)
- Methyl 4-(4-ethylphenyl)-2,4-dioxobutanoate (CAS 66751-98-2)
- Stresscopin-Related Peptide (human) (CAS 348626-74-4)
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