1,4-Cyclohexadiene-1,2-dicarboxylicanhydride CAS 4773-89-1
| CAS No. | 4773-89-1 |
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1,4-Cyclohexadiene-1,2-dicarboxylicanhydride (CAS 4773-89-1), a certified reference material (molecular formula C8H6O3, MW 150.13 g/mol) for analytical method development and quality control.
1,4-Cyclohexadiene-1,2-dicarboxylicanhydride (C8H6O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 1,4-Cyclohexadiene-1,2-dicarboxylicanhydride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13 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.) | 1958 |
Related Cyclohexadiene Standards
- 1,4-Cyclohexadiene-1-carboxaldehyde, 4-(1-methylethyl)- 22580-90-1 CTK0J6289 (CAS 22580-90-1)
- 1,4-Cyclohexadiene-1-carboxylicacid, ethyl ester 72431-21-1 CTK5D6094 (CAS 72431-21-1)
- 1,4-Cyclohexadiene Monoepoxide (CAS 6253-27-6)
- 1-Methyl-1,4-cyclohexadiene (CAS 4313-57-9)
- 1,3-cyclohexadiene 592-57-4 Cyclohexadiene-1,3 InChI=1/C6H8/c1-2-4-6-5-3-1/h1-4H,5-6H cyclohexa-1,3-diene (CAS 592-57-4)
- (Cyclohexadiene)iron tricarbonyl (CAS 12152-72-6)
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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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