2,2,2',2'-Tetramethyl-2H,2'H-[5,5'-bibenzo[h]chromene]-6,6'-diol CAS 24449-39-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 24449-39-6 |
| Molecular Formula | C30H26O4 |
| Molecular Weight | 450.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,2,2',2'-Tetramethyl-2H,2'H-[5,5'-bibenzo[h]chromene]-6,6'-diol (CAS 24449-39-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C30H26O4. Molecular weight: 450.53 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C30H26O4 |
| Molecular Weight | 450.53 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
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Recommended Standards
- 16,19-Dimethoxy-3-[(4-methoxyphenyl)methyl]-3,21-diazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-1(21),2(10),4(9),5,7,13,15(20),16,18-nonaene (CAS 860787-07-1)
- 2.3,7.8-Di-(peri-naphthylene)-pyrene (CAS 362052-03-7)
- 1-((3-(5-((Difluoromethyl)thio)-4-phenyl-4H-1,2,4-triazol-3-yl)phenyl)sulfonyl)piperidine (CAS 748137-22-6)
- N-(2,6-Dimethylphenyl)-4,5-dihydro-1H-imidazol-2-amine (CAS 4859-06-7)
- 3-Phenyl-4,5,6,7-tetrahydro-1H-indazole (CAS 28748-99-4)
- Propyl 2-ethylhexanoate (CAS 172354-89-1)
- 4-methoxy-2-(pyridin-3-ylmethoxy)benzaldehyde (CAS 1151539-16-0)
- Methyl 2-[(piperidin-4-yl)methyl]furan-3-carboxylate hydrochloride (CAS 1134618-26-0)
- 2,6-Difluoropyridin-3-amine (CAS 108118-69-0)
- Neuropeptide W-23 (rat) (CAS 383415-89-2)
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