1,2,3,4-benzenetetrol CAS 642-96-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 642-96-6 |
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2,3,4-benzenetetrol (CAS 642-96-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H6O4. Molecular weight: 142.11 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H6O4 |
| Molecular Weight | 142.11 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 |
Recommended Standards
- Muconic acid (CAS 505-70-4)
- Tetrahydro-4H-pyrrolo[3,4-d]isoxazole-4,6(5H)-dione (CAS 6251-14-5)
- Methyl 5-oxo-4,5-dihydro-1h-pyrazole-3-carboxylate (CAS 79746-67-1)
- 2-(3-Fluorophenyl)but-3-yn-2-ol (CAS 890090-57-0)
- Diethyl 2,2-dibenzylmalonate (CAS 597-55-7)
- 1-(1,1-dimethylethyl)-4,6-bis(trifluoromethyl)-1H-Pyrrolo[2,3-b]pyridine-3-carbonitrile (CAS 1146221-73-9)
- N,N-Dimethyl-1-(1,4-oxazepan-6-yl)methanamine (CAS 1256643-29-4)
- 6-(Methylamino)-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 64842-42-8)
- Epinastine Impurity 28 (CAS 532-55-8)
- Semaglutide impurity 65 (CAS CATO-C4X-222665)
Why CATO?
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