5,7-Di-tert-butyl-3-phenylbenzofuran-2(3H)-one CAS 66737-86-8
| CAS No. | 66737-86-8 |
| Molecular Formula | C22H26O2 |
| Molecular Weight | 322.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,7-Di-tert-butyl-3-phenylbenzofuran-2(3H)-one (CAS 66737-86-8) is a high-purity analytical reference standard with the molecular formula C22H26O2 and a molecular weight of 322.44 g/mol.
Based on its molecular formula C22H26O2, 5,7-Di-tert-butyl-3-phenylbenzofuran-2(3H)-one contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 322.44 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).
As a certified reference material (CRM), 5,7-Di-tert-butyl-3-phenylbenzofuran-2(3H)-one 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 | C22H26O2 |
| Molecular Weight | 322.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
Recommended Standards
- 4-(2,2-Dimethyl-4-phenyl-2,5-dihydrooxazol-5-yl)-N,N,3,5-tetramethylbenzimidamide (CAS 79213-92-6)
- 9,10-Dibutoxyanthracene (CAS 76275-14-4)
- 4-(2,2-Dimethyl-4-phenyl-2,5-dihydrooxazol-5-yl)-N,N,2,6-tetramethylbenzimidamide (CAS 79213-91-5)
- Aminobenztropine (CAS 88097-86-3)
- (E)-4-({6-[2-Methoxy-1-(methoxycarbonyl)-2-oxoethyl]-3-pyridinyl}amino)-4-oxo-2-butenoic acid (CAS 860786-07-8)
- (2S,4R)-4-AMINOPYRROLIDINE-2-CARBOXYLIC ACID 2HCL (CAS 1253792-69-6)
- 1-Phenyl-1H-pyrazol-4-amine (CAS 1128-53-6)
- 5-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,2,4]triazolo[1,5-a]pyridin-2-amine (CAS 2411907-21-4)
- V3394X3G2W 593-85-1 Carbonic acid, compd. with guanidine (1:2) Guanidine carbonate Diguanidinium carbonate Guanidine, carbonate AI3-14631 Bisguanidinium carbonate EINECS 209-813-7 Guanidinium carbonate NSC 2171 Guanidine carbonate (2:1) UNII-V3394X3G2W EC 209-813-7 (CAS 593-85-1)
- 2-(1-Imino-2,2-dimethylpropyl)-1H-indene-1,3(2H)-dione (CAS 634155-04-7)
- 1-(Tert-butyl)-3-propyl-1H-pyrazole-5-carboxylic acid (CAS 1020724-17-7)
- 2,3,4,6-tetra-O-acetyl-β-D-chloroglucose (CAS 66966-08-3)
- (3-Bromophenyl)(p-tolyl)methanone (CAS 102092-51-3)
- Semaglutide impurity 97 (CAS CATO-C4X-222697)
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