206265-98-7 25-Amino-5,8,11,14,17,20,23-heptaoxa-2-azapentacosanoic Acid1,1-Dimethylethyl Ester Boc-NH-PEG7-CH2CH2NH2 Boc-PEG-amine (n=7) Boc-amino-PEG-amine (n=7) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]hexaethylene glycol O-(2-Aminoethyl)-O'-[2-(Boc-amino)ethyl]hexaethylene Glycol CAS 206265-98-7
| CAS No. | 206265-98-7 |
| Molecular Formula | C21H44N2O9 |
| Molecular Weight | 468.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 206265-98-7 25-Amino-5,8,11,14,17,20,23-heptaoxa-2-azapentacosanoic Acid1,1-Dimethylethyl Ester Boc-NH-PEG7-CH2CH2NH2 Boc-PEG-amine (n=7) Boc-amino-PEG-amine (n=7) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]hexaethylene glycol O-(2-Aminoethyl)-O'-[2-(Boc-amino)ethyl]hexaethylene Glycol 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.
206265-98-7 25-Amino-5,8,11,14,17,20,23-heptaoxa-2-azapentacosanoic Acid1,1-Dimethylethyl Ester Boc-NH-PEG7-CH2CH2NH2 Boc-PEG-amine (n=7) Boc-amino-PEG-amine (n=7) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]hexaethylene glycol O-(2-Aminoethyl)-O'-[2-(Boc-amino)ethyl]hexaethylene Glycol (CAS 206265-98-7), molecular formula C21H44N2O9 and molecular weight 468.58 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 206265-98-7 25-Amino-5,8,11,14,17,20,23-heptaoxa-2-azapentacosanoic Acid1,1-Dimethylethyl Ester Boc-NH-PEG7-CH2CH2NH2 Boc-PEG-amine (n=7) Boc-amino-PEG-amine (n=7) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]hexaethylene glycol O-(2-Aminoethyl)-O'-[2-(Boc-amino)ethyl]hexaethylene Glycol (C21H44N2O9) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 468.58 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C21H44N2O9 |
| Molecular Weight | 468.58 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 2 |
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