Bis-dPEG<SUP>®</SUP><SUB>5</SUB>-PFP ester CAS 1334177-78-4
| CAS No. | 1334177-78-4 |
| Molecular Formula | C26H24F10O9 |
| Molecular Weight | 670.45 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.
Bis-dPEG<SUP>®</SUP><SUB>5</SUB>-PFP ester (CAS 1334177-78-4) is a high-purity analytical reference standard with the molecular formula C26H24F10O9 and a molecular weight of 670.45 g/mol.
Bis-dPEG<SUP>®</SUP><SUB>5</SUB>-PFP ester (C26H24F10O9) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C26H24F10O9 |
| Molecular Weight | 670.45 g/mol |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | F-containing |
Related Bis Standards
- MAL-dPEG-t-boc-hydrazide (CAS 1334169-98-0)
- dPEG<SUP>®</SUP><SUB>8</SUB>-SATA (S-acetyl-dPEG<SUP>®</SUP><SUB>8</SUB>-NHS ester) (CAS 1070798-99-0)
- m-dPEG<SUP>®</SUP><SUB>12</SUB>-Lipoamide (CAS 1334172-68-7)
- m-dPEG<SUP>®</SUP><SUB>8</SUB>-Lipoamide (CAS 1334172-67-6)
- dPEG<SUP>®</SUP><SUB>12</SUB>-SATA (S-acetyl-dPEG<SUP>®</SUP><SUB>12</SUB>-NHS ester) (CAS 1334169-95-7)
- m-dPEG<SUP>®</SUP><SUB>8</SUB>-MAL (CAS 1334169-90-2)
- Mal-dPEG(4)-NHNH-Boc (CAS 1127247-28-2)
- Bis-dPEG<SUP>®</SUP><SUB>9</SUB>-PFP ester (CAS 1334170-00-1)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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