N-(Tos-PEG4)-N-bis(PEG4-Boc) CAS 2112737-74-1
| CAS No. | 2112737-74-1 |
| Molecular Formula | C45H81NO18S |
| Molecular Weight | 956.19 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.
N-(Tos-PEG4)-N-bis(PEG4-Boc) (CAS 2112737-74-1), molecular formula C45H81NO18S and molecular weight 956.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C45H81NO18S, N-(Tos-PEG4)-N-bis(PEG4-Boc) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 956.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures N-(Tos-PEG4)-N-bis(PEG4-Boc) 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 | C45H81NO18S |
| Molecular Weight | 956.19 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Semaglutide impurity 88 (CAS CATO-C4X-222688)
Why CATO?
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