(4R)-5-(3,4-Dihydroxyphenyl)-γ-valerolactone CAS 191666-22-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 191666-22-5 |
| Molecular Formula | C11H12O4 |
| Molecular Weight | 208.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4R)-5-(3,4-Dihydroxyphenyl)-γ-valerolactone (CAS 191666-22-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H12O4. Molecular weight: 208.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H12O4 |
| Molecular Weight | 208.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2011 |
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- DL-5-(3,5-Dihydroxyphenyl)hydantoin (CAS 187978-82-1)
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Recommended Standards
- (2R,3R,4S,5R,6R)-2-ethoxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (CAS 18997-88-1)
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- 4-Methoxy-2,3-dihydrobenzofuran-3-acetic Acid (CAS 1894971-68-6)
- 2-(Benzyloxy)-N-ethylethanamine (CAS 104678-17-3)
- (-)-Indolactam V (CAS 90365-57-4)
- 5-(4-Bromo-3-fluorophenyl)oxazole (CAS 2111410-80-9)
- N-(2-(3,4-Dihydroisoquinolin-2(1H)-yl)-2-(thiophen-3-yl)ethyl)methanesulfonamide (CAS 954599-95-2)
- 3-Methyl-1-(pyridin-2-yl)-1H-indole (CAS 116359-75-2)
- 8-Methoxy-d (CAS 80386-99-8)
- FMRF-Like Neuropeptide (CAS 121801-61-4)
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