4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione CAS 1696-34-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1696-34-0 |
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxy-5-methylcyclopent-4-ene-1,3-dione (CAS 1696-34-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H6O3. Molecular weight: 126.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Hydroxy Standards
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- 1-Hydroxy-3-methylpyrazin-2(1H)-one (CAS 105985-13-5)
- N-Hydroxy-N-(pyridin-4-yl)hydroxylamine (CAS 148216-77-7)
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- 1-(1-Hydroxy-1H-pyrazol-4-yl)ethanone (CAS 548767-39-1)
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Recommended Standards
- 1-(4-Methyl-1,2,5-oxadiazol-3-yl)ethan-1-one (CAS 165067-10-7)
- 6-Methoxy-3(2H)-pyridazinone (CAS 1703-10-2)
- (1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-dione (CAS 1638744-42-9)
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- 1-(M-tolyl)pent-4-en-1-ol (CAS 1232064-67-3)
- 3,5,6-trichloro-2-hydroxybenzoic acid (CAS 40932-60-3)
- Fmoc-Cys(Trt)-Cys(Trt)-OH (CAS CATO-CPTD788303)
- N-((1-methyl-1H-pyrazol-3-yl)methyl)-2-(trifluoromethyl)aniline (CAS 1006449-98-4)
- 5-Chloro-3-methanesulfonylpyridin-2-amine (CAS 2055119-06-5)
- 302798-54-5 (Leu31,Pro34)-Neuropeptide Y (13-36) (human, rat) MFCD00672463 (CAS 302798-54-5)
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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