SY-21 NHS ester

Overview

SY-21 NHS Ester is a nonfluorescent dye used in FRET applications, with a quenching range from 580-680 nm . It reacts quickly with primary amines to form stable bonds, making it ideal for labeling proteins, peptides, and oligonucleotides. Perfect for bioconjugation , imaging , and diagnostic research.

Application

Fluorescent Dye > Quenchers > SY-21

Product Information

• Catalog No.: AP12557
• CAS No.: 304014-13-9
• Molecular Formula: C45H39ClN4O7S
• Molecular Weight: 815.34
• Purity: ≥95%
• Solubility: DMSO, DMF
• Availability: In Stock

Source

Original product source