890091-43-7 Boc-PEG-amine (n=9) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]octaethylene glycol CAS 890091-43-7
| CAS No. | 890091-43-7 |
| Molecular Formula | C25H52N2O11 |
| Molecular Weight | 556.69 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.
890091-43-7 Boc-PEG-amine (n=9) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]octaethylene glycol (CAS 890091-43-7), molecular formula C25H52N2O11 and molecular weight 556.69 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, 890091-43-7 Boc-PEG-amine (n=9) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]octaethylene glycol is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 556.69 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.
CATO manufactures 890091-43-7 Boc-PEG-amine (n=9) O-(2-Aminoethyl)-O inverted exclamation marka-[2-(Boc-amino)ethyl]octaethylene glycol under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H52N2O11 |
| Molecular Weight | 556.69 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.) | 1987 |
| Nitrogen Atoms | 2 |
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Why CATO?
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