2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarbaldehyde CAS 1801236-33-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1801236-33-8 |
| Molecular Formula | C33H24O8 |
| Molecular Weight | 548.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarbaldehyde (CAS 1801236-33-8) pharmaceutical standards reference standard. Molecular formula: C33H24O8. Molecular weight: 548.54 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C33H24O8 |
| Molecular Weight | 548.54 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 22.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Tetramethoxy Standards
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarbonitrile (CAS 1801236-34-9)
- (2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl) carbamate 70563-58-5 Antibiotic Tan 420F D07DIM Herbimycin Herbimycin A Herbimycin A from Streptomyces hygroscopicus [(2R,3S,5S,6R,7S,8E,10S,11S,12E,14E)-2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl] carbamate [(2R,3S,5S,6R,7S,8E,10S,11S,12Z,14E)-2,5,6,11-tetramethoxy-3,7,9,15-tetramethyl-16,20,22-trioxo-17-azabicyclo[16.3.1]docosa-1(21),8,12,14,18-pentaen-10-yl] carbamate (CAS 70563-58-5)
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetraamine (CAS 1801236-36-1)
- 2,2',7,7'-Tetramethoxy-9,9'-spirobi[fluorene]-3,3',6,6'-tetracarboxylicacid (CAS 1801236-35-0)
- 5-Oxo-1-[(2,3,6,7-tetramethoxy-9-phenanthrenyl)methyl-L-proline Methyl Ester (CAS 1203657-51-5)
- 5- Oxo- 1- [(2, 3, 6, 7- tetramethoxy- 9- phenanthrenyl) methyl] -L-proline (CAS 87227-00-7)
- 2,3,6,7-Tetramethoxy-9,9'-spirobi[fluorene] (CAS 821785-24-4)
- 5,6,7,8-Tetramethoxy-2-(3,4,5-trimethoxyphenyl)-4H-chromen-4-one (CAS 6965-36-2)
Recommended Standards
- Icariside I hydrate (CAS 128988-55-6)
- BYS10- BP40 (CAS CATO-C3D-263282)
- Irinotecan Impurity 69 (CAS 100286-92-8)
- 5’-(Benzyloxy)-2’-hydroxy-3’-nitroacetophenone (CAS 861841-94-3)
- 2,4,5,7-Tetraiodo-3-oxo-9-(2,3,4,5-tetrachlorophenyl)-3H-xanthen-6-yl acetate (CAS 133433-82-6)
- 5-Bromo-2-cyano-4-(difluoromethyl)benzoic acid (CAS 1805481-07-5)
- N-(2-Methoxyethyl)urea (CAS 22033-10-9)
- 5-Chloro-2,3-dimethoxyisonicotinaldehyde (CAS 1305324-66-6)
- Ethyl 1-methyl-1H-indazole-3-carboxylate (CAS 220488-05-1)
- Neuropeptide Y (2-36) (human, rat) trifluoroacetate salt (CAS 123139-39-9)
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