4,5,6,7-Tetraphenylisobenzofuran-1,3(3aH,7aH)-dione CAS 6971-41-1
| CAS No. | 6971-41-1 |
| Molecular Formula | C32H22O3 |
| Molecular Weight | 454.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C32H22O3, 4,5,6,7-Tetraphenylisobenzofuran-1,3(3aH,7aH)-dione contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 454.52 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 4,5,6,7-Tetraphenylisobenzofuran-1,3(3aH,7aH)-dione (CAS 6971-41-1), a certified reference material (molecular formula C32H22O3, MW 454.52 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), 4,5,6,7-Tetraphenylisobenzofuran-1,3(3aH,7aH)-dione 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 | C32H22O3 |
| Molecular Weight | 454.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
Related Tetraphenylisobenzofuran Standards
Recommended Standards
- 4-(4-(Allyloxy)benzoyl)-5-(4-ethylphenyl)-3-hydroxy-1-(pyridin-3-ylmethyl)-1H-pyrrol-2(5H)-one (CAS 618074-13-8)
- 5-(2,4-Dimethoxyphenyl)-1-(2-(dimethylamino)ethyl)-3-hydroxy-4-(4-methoxy-2-methylbenzoyl)-1H-pyrrol-2(5H)-one (CAS 384373-01-7)
- 2-Imino-N-(3-methoxypropyl)-10-methyl-1-(2-morpholinoethyl)-5-oxo-2,5-dihydro-1H-dipyrido[1,2-a:2',3'-d]pyrimidine-3-carboxamide (CAS 618383-67-8)
- 6,6'-(Ethene-1,2-diyl)bis(3-isothiocyanatobenzenesulfonic acid) (CAS 53005-05-3)
- N-(tert-Butyl)-3-phenyl-1-propanamine (CAS 71193-45-8)
- 3-Methanesulfinylaniline (CAS 39082-89-8)
- 5-(Methoxymethyl)-1-methyl-1H-pyrrole-3-carboxylic acid (CAS 2388475-34-9)
- (S)-4-bromo-5-methyl-2,3-dihydro-1H-inden-1-amine (CAS 1259924-48-5)
- n-(2,2,2-Trifluoroethyl)oxan-4-amine (CAS 1154884-31-7)
- (2S,3S,4R)-2,3,4,5-Tetrahydroxypentanoic acid (CAS 28223-40-7)
- 3-(7-Bromo-9,9-dimethyl-9H-fluoren-2-yl)-9-(4-fluorophenyl)-9H-carbazole (CAS 1207176-72-4)
- 1,1,1-Trifluoro-4-methoxy-,(3e)-3-penten-2-one (CAS 135351-20-1)
- 5-[2-(2,6-dioxo-3-piperidyl)-3-oxo-isoindolin-5-yl]pentanal (CAS 2762039-43-8)
- Peptide-GMF (CAS CATO-CPTD788469)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com