Mal-amido-PEG3-NHS ester CAS 2055353-77-8
| CAS No. | 2055353-77-8 |
| Molecular Formula | C20H27N3O10 |
| Molecular Weight | 469.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Mal-amido-PEG3-NHS ester 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.
Mal-amido-PEG3-NHS ester (CAS 2055353-77-8), molecular formula C20H27N3O10 and molecular weight 469.44 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Mal-amido-PEG3-NHS ester is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 469.44 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C20H27N3O10 |
| Molecular Weight | 469.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related Mal Standards
- Mal-Amido-PEG4-Boc (CAS 1415800-35-9)
- Mal-amido-PEG2-TFP ester (CAS 1431291-44-9)
- Mal-amido-PEG3-C1-NHS ester (CAS 2101206-45-3)
- Mal-amido-PEG6-propionic Acid (CAS 1334177-79-5)
- Mal-amido-PEG3-C1-PFP ester (CAS 2101206-13-5)
- Mal-amido-PEG2-C2-amido-Ph-C2-CO-AZD (CAS 1037589-69-7)
- Mal-amido-PEG7-acid (CAS 2112731-42-5)
- Mal-amido-PEG1-C2-NHS ester (CAS 1260092-50-9)
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