Spiro[benzo[c]fluorene-7,9'-xanthene] CAS 1639407-50-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1639407-50-3 |
| Molecular Formula | C29H18O |
| Molecular Weight | 382.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[benzo[c]fluorene-7,9'-xanthene] (CAS 1639407-50-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C29H18O. Molecular weight: 382.45 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C29H18O |
| Molecular Weight | 382.45 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 21.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
Related Spiro Standards
- Spiro[fluorene-9,9'-xanthene]-2',7'-dicarbonitrile (CAS 152480-82-5)
- 2-((1'H-Spiro[cyclohexane-1,2'-quinazolin]-4'-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 893787-58-1)
- Spiro[fluorene-9,9'-xanthen]-2-ylboronic acid (CAS 1799644-51-1)
- Spiro[fluorene-9,9'-xanthen]-4-ylboronic acid (CAS 2244281-69-2)
- Spiro[3H-indole-3,4'-piperidine]-1'-carboxylic acid, 1,2-dihydro-2-oxo-1-(phenylmethyl)-, 1,1-dimethylethyl ester (CAS 293744-34-0)
- Spiro[3H-2-benzopyran-3,5’(3’aH)-[1,3]dioxolo[4,5-g]isoquinoline], 1,4,7’,8’-tetrahydro-7,8-dimethoxy-6’-methyl- (CAS 87264-55-9)
- SPIRO[1,3-DIOXOLANE-2,9’-[9H]FLUORENE]-4,5-DICARBOXYLIC ACID DIETHYL ESTER (CAS 129178-60-5)
- Spiro[fluorene-9,9'-xanthene]-3',6'-diol (CAS 4081-00-9)
Recommended Standards
- (S)-Benzyl 3-(((benzyloxy)carbonyl)amino)azepane-1-carboxylate (CAS 1616684-36-6)
- (9H-Fluoren-9-yl)methyl tert-butyl ethane-1,2-diyldicarbamate (CAS 166410-28-2)
- (4R,4′R)-2,2′-(Phenylmethylene)bis[4,5-dihydro-4-phenyloxazole] (CAS 1442644-11-2)
- 4-Ethyl-1-methyl-3-(thiophen-3-yl)-1h-pyrazol-5-amine (CAS 1156893-45-6)
- (1R, 3S, 4S)-2-Aza-bicyclo[2.2.1]heptane-3-carboxylic acid methyl ester (CAS 1499193-74-6)
- 2-((4-Methoxyphenyl)amino)-2-oxoacetic acid (CAS 41374-62-3)
- (S)-1-(2-(Tris(4-methoxyphenyl)methoxy)ethyl)piperidine-3-carboxylic acid (CAS 157604-55-2)
- (1R,3r)-1-amino-3-(cyanomethyl)cyclobutane-1-carboxylic acid hydrochloride (CAS 2231665-85-1)
- (1R,4R)-N1,N4-Bis((R)-1-methoxypropan-2-yl)cyclohexane-1,4-diamine (CAS 1378034-65-1)
- Des-Leu14-Tirzepatide (CAS CATO-CPTD788959)
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