4,5-Dimethoxy-1,2-benzoquinone CAS 21086-65-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21086-65-7 |
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4,5-Dimethoxy-1,2-benzoquinone (CAS 21086-65-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C8H8O4. Molecular weight: 168.15 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C8H8O4 |
| Molecular Weight | 168.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Dimethoxy Standards
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- 2,5-Dimethoxy-p-phenylenediamine (CAS 17626-02-7)
- 2,5-dimethoxy-4-methylphenol (CAS 73120-41-9)
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Recommended Standards
- 4-(Aminomethyl)-2-nitrophenol (CAS 21078-47-7)
- 4,6-Dimethoxypyrimidine-5-carbaldehyde (CAS 4558-59-2)
- 4-(Acetyloxy)-6-methyl-2H-pyran-2-one (CAS 22073-80-9)
- 1-BROMO-2-CHLORO-5-FLUORO-3-NITROBENZENE (CAS 1806970-72-8)
- 3-((4-Nitrobenzyl)thio)-5H-[1,2,4]triazino[5,6-b]indole (CAS 330551-74-1)
- 2-Chloro-7-methyl-9-(tetrahydro-2H-pyran-4-yl)-7,9-dihydro-8H-purin-8-one (CAS 1299420-90-8)
- Isoindolin-5-amine hydrochloride (CAS 503614-81-1)
- Carbonylchlorobis(triphenylphosphine)iridium(I) (CAS 14871-41-1)
- (R)-4-(2-(1-Ethyl-1H-pyrrol-2-yl)ethyl)-4-methyloxazolidin-2-one (CAS 566938-47-4)
- D-Tyr1-Tirzepatide (CAS CATO-CPTD788928)
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