2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-dione CAS 63136-74-3
| CAS No. | 63136-74-3 |
| Molecular Formula | C28H18O4 |
| Molecular Weight | 418.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-dione (C28H18O4) contains a steroid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 20.0, corresponding to approximately 20 ring(s) or double-bond equivalent(s). With a molecular weight of 418.44 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-dione (CAS 63136-74-3), molecular formula C28H18O4 and molecular weight 418.44 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 2,2'-Diphenyl-[2,2'-bibenzofuran]-3,3'(2H,2'H)-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 | C28H18O4 |
| Molecular Weight | 418.44 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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
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Recommended Standards
- 2-([1,1'-Biphenyl]-4-carbonyl)-1,4-diaminoanthracene-9,10-dione (CAS 89868-45-1)
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- 2-((7-Cyano-3,4-dihydro-2H-1,4-ethano-1,5-naphthyridin-6-yl)thio)-N-(4-(trifluoromethyl)phenyl)acetamide (CAS 728003-20-1)
- 4,4'-(Anthracene-9,10-diyl)dibenzoic acid (CAS 42824-53-3)
- 2-Methylquinoxaline 1-Oxide (CAS 18916-44-4)
- 3-Bromo-4-nitrobenzyl bromide (CAS 142906-81-8)
- 3-Amino-2-(3-fluorophenyl)quinazolin-4(3H)-one (CAS 1363405-87-1)
- 1-(Tert-butoxycarbonyl)-1,4-diazepane-6-carboxylic acid (CAS 1273566-82-7)
- 3-Bromo-5-cyclopropoxyaniline (CAS 1243321-64-3)
- (2-(4-Chlorophenyl)oxazol-4-yl)methanamine (CAS 524070-34-6)
- 1-(4-Piperidyl)-1,2,3,4-tetrahydro-2-quinolinonehydrochloride (CAS 141134-83-0)
- Cefozopran Dihydrochloride (CAS 1262200-57-6)
- N-(diphenylethenylidene)aniline (CAS 14181-84-1)
- Liraglutide(8-31)TFA Salt (CAS CATO-C4X-19922)
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