1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline CAS 33176-25-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33176-25-9 |
| Molecular Formula | C36H24N2 |
| Molecular Weight | 484.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,2-Bis(diphenylmethylene)-1,2-dihydrocyclobuta[b]quinoxaline (CAS 33176-25-9) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C36H24N2. Molecular weight: 484.59 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C36H24N2 |
| Molecular Weight | 484.59 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 26.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 1-(Diphenylmethylene)-2-(triphenylphosphoranylidene)hydrazine (CAS 1109-01-9)
- (Diphenylmethylene)triphenyl-l5-phosphane (CAS 4214-38-4)
- N'-(Diphenylmethylene)-2-(trifluoromethyl)benzenesulfonohydrazide (CAS 2301999-06-2)
- N'-(diphenylmethylene)-2-(4-(pyrimidin-2-yl)piperazin-1-yl)acetohydrazide (CAS 478247-26-6)
- N'-(diphenylmethylene)-2-((3-methoxyphenyl)thio)propanehydrazide (CAS 478247-05-1)
- (4-((Diphenylmethylene)amino)-3,5-diisopropylphenyl)boronicacid (CAS 849438-98-8)
- N'-(diphenylmethylene)-2-((3-methoxyphenyl)thio)acetohydrazide (CAS 341968-03-4)
- N'-(diphenylmethylene)-2-(p-tolylthio)propanehydrazide (CAS 478247-03-9)
Recommended Standards
- (4R,4'R,5S,5'S)-2,2'-Cyclopropylidenebis[4,5-dihydro-4,5-diphenyloxazole] (CAS 229184-96-7)
- 2,2'-Di(9H-carbazol-9-yl)-1,1'-biphenyl (CAS 592551-54-7)
- 9-([1,1'-Biphenyl]-3-yl)-9H,9'H-3,3'-bicarbazole (CAS 1800580-10-2)
- 3-(4-Methylnaphthalen-1-yl)propiolic acid (CAS 1399661-05-2)
- 1-(3-Methanesulfonyl-4-methyl-6-phenylpyridin-2-yl)-4-methylpiperazine (CAS 478245-52-2)
- 3-Amino-3-(1-methyl-1H-pyrrol-2-yl)propanoic acid (CAS 773122-08-0)
- Methyl 2-amino-5-isopropylthiophene-3-carboxylate (CAS 149587-85-9)
- 4-(4-Methyl-1H-pyrazol-1-yl)butanoic acid (CAS 1006453-04-8)
- 1-(4-Aminopiperidin-1-yl)-3,3,3-trifluoropropan-1-one (CAS 926240-87-1)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
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