900927

TCO-PNB ester

≥95%

• Synonym(s): (1R,4E)-4-Cycloocten-1-yl 4-nitrophenyl carbonate, rel-(1R-4E-PS)-cyclooct-4-en-1-yl (4-nitrophenyl) carbonate
• Empirical Formula (Hill Notation): C₁₅H₁₇NO₅
• CAS Number: 1438415-89-4
• Molecular Weight: 291.30
• UNSPSC Code: 12352108
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: ≥95%
• form: powder or chunks
• reaction suitability: reaction type: click chemistry; reagent type: cross-linking reagent
• storage temp.: −20°C
• SMILES string: O=C(OC1CCC/C=C/CC1)OC2=CC=C([N+]([O-])=O)C=C2

Description

Application

TCO-PNB ester (trans-Cyclooctene-p-nitrobenzyl ester) has a p-nitrobenzyl (PNB) ester group that is amine reactive and a trans-cyclooctene (TCO) group that is reactive with tetrazines. TCO-PNB ester is supplied as a single axial (major) diastereomer. This specially formulated crystalline material provides easy handling and extended shelf life.

Safety Information

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable