2,7-Dibromo-9H-fluorene-9,9-dipropanoic acid CAS 94257-59-7
| CAS No. | 94257-59-7 |
| Molecular Formula | C19H16Br2O4 |
| Molecular Weight | 468.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 2,7-Dibromo-9H-fluorene-9,9-dipropanoic acid (CAS 94257-59-7), a certified reference material (molecular formula C19H16Br2O4, MW 468.14 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution, 2,7-Dibromo-9H-fluorene-9,9-dipropanoic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 468.14 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2,7-Dibromo-9H-fluorene-9,9-dipropanoic acid 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 | C19H16Br2O4 |
| Molecular Weight | 468.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
Related Dibromo Standards
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Recommended Standards
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- 2-[1-(Phenylsulfonyl)-4-piperidinyl]-1,3-benzothiazole (CAS 605628-10-2)
- tert-Butyl 3-(3-bromophenoxy)azetidine-1-carboxylate (CAS 1219982-76-9)
- (2Z)-N-(4-Chlorophenyl)-3-(pyrrolidin-1-yl)but-2-enamide (CAS 338420-58-9)
- 4-Bromo-2-(hydroxymethyl)-6-methylbenzimidazole (CAS 1352519-72-2)
- 1,3-Dibromo-2,5-difluoro-4-iodobenzene (CAS 1000577-89-8)
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- Semaglutide (CAS 910463-68-2（free base）)
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