2-hydroxy-1,4-benzoquinone CAS 2474-72-8
| CAS No. | 2474-72-8 |
| Molecular Formula | C6H4O3 |
| Molecular Weight | 124.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H4O3, 2-hydroxy-1,4-benzoquinone contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 124.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO supplies 2-hydroxy-1,4-benzoquinone (CAS 2474-72-8), a certified reference material (molecular formula C6H4O3, MW 124.09 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2-hydroxy-1,4-benzoquinone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H4O3 |
| Molecular Weight | 124.09 g/mol |
| Purity | >95% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related hydroxy Standards
- 4-hydroxy-1, 2-benzoquinone (CAS 6527-61-6)
- 3-hydroxy-1, 2-benzoquinone (CAS 15258-70-5)
- 4-Hydroxy-2-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 83544-53-0)
- 4-Hydroxy-5-oxo-2,5-dihydro-1H-pyrrole-3-carbonitrile (CAS 29418-72-2)
- 1-hydroxy-4-methylpyridin-2-imine (CAS 83700-78-1)
- 3-hydroxy-3-methylpentanedinitrile (CAS 72060-94-7)
- 2-Hydroxy-1,3,2-dioxaphospholane 2-Oxide (CAS 6711-47-3)
- Methyl 2-Hydroxy-2-methyl-d (CAS 40662-44-0)
Recommended Standards
- 2,5-Diformylfuran (CAS 823-82-5)
- 2,2-Difluoroethyl Acetate (CAS 1550-44-3)
- Ethyl difluoroacetate ethyl 2,2-difluoroacetate difluoro-acetic acid ethyl ester ethyldifluoroacetate difluoroacetic acid ethyl ester ethyl difluoro acetate ethyl difluoroacetic acid 454-31-9 (CAS 454-31-9)
- 4-Nitropyridine (CAS 1122-61-8)
- 4-(tert-Butyl)-1,2,5-oxadiazol-3-amine (CAS 159013-87-3)
- Cellobiosan (CAS 35405-71-1)
- Methyl bicyclo[2.2.1]Heptane-1-carboxylate (CAS 2287-57-2)
- 5-ACetyl-2-(4-isopropyl-3-methylphenoxy) pyridine (CAS 1547800-75-8)
- Tert-butyl (((1s,3s)-3-methoxycyclobutyl)methyl)carbamate (CAS 2154632-52-5)
- cis-6-(tert-Butoxycarbonyl)octahydro-2H-pyrano[3,2-c]pyridine-4a-carboxylic acid (CAS 1445951-56-3)
- 344912-39-6 (5-Methyl-3-nitro-1H-pyrazol-1-yl)acetic acid DTXSID10361199 (CAS 344912-39-6)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
- N-((2-(2,3-Dimethylphenyl)benzo[d]oxazol-5-yl)carbamothioyl)-3-methoxybenzamide (CAS 590396-67-1)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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