Mal-amido-PEG12-NHS ester CAS 2101722-60-3
| CAS No. | 2101722-60-3 |
| Molecular Formula | C38H63N3O19 |
| Molecular Weight | 865.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Mal-amido-PEG12-NHS ester.
Mal-amido-PEG12-NHS ester (CAS 2101722-60-3) is a high-purity analytical reference standard with the molecular formula C38H63N3O19 and a molecular weight of 865.92 g/mol.
Based on its molecular formula C38H63N3O19, Mal-amido-PEG12-NHS ester contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 865.92 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Mal-amido-PEG12-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.
Physical & Chemical Properties
| Molecular Formula | C38H63N3O19 |
| Molecular Weight | 865.92 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Related Mal Standards
- Mal-amido-PEG2-Val-Cit-PAB-PNP (CAS 2112738-13-1)
- Mal-amido-PEG8-val-gly-PAB-OH (CAS 2353409-52-4)
- Mal-amido-PEG10-C2-NHS ester (CAS 1137109-22-8)
- Mal-amido-PEG12-acid (CAS 2378428-27-2)
- Mal-amido-PEG8-val-gly (CAS 2353409-54-6)
- Mal-amido-PEG8-TFP ester (CAS 1924596-31-5)
- Mal-amido-PEG9-NHS ester (CAS 2575631-92-2)
- Mal-amido-PEG9-NH-Boc (CAS 2182602-20-4)
Recommended Standards
- Maleimide-PEG<SUB>12</SUB>-succinimidyl ester (CAS 1426151-00-9)
- KT474 (CAS 2432994-31-3)
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- Erythromycin Ethylsuccinate-13C-d3 (CAS 1264-62-6 (non-labelled))
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Why CATO?
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