| CAS No. | 2093152-87-3 |
| Molecular Formula | C39H76N2O19 |
| Molecular Weight | 877.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
N-(Boc-PEG5)-N-bis(PEG4-acid) (CAS 2093152-87-3) is a high-purity analytical reference standard with the molecular formula C39H76N2O19 and a molecular weight of 877.02 g/mol.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, N-(Boc-PEG5)-N-bis(PEG4-acid) is typically white to pale yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 877.02 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), N-(Boc-PEG5)-N-bis(PEG4-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.
| Molecular Formula | C39H76N2O19 |
| Molecular Weight | 877.02 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 2 |