HPG Protein Modifier, or p-Hydroxyphenylglyoxal, reacts with arginine residues to give a large increase in absorbance at approximately 340 nm, and hence, is a good choice for amino acid side chain modification. References: Zhang L, Lilyestrom W, Li C, Scherer T, van Reis R, Zhang B. Revealing a positive charge patch on a recombinant monoclonal antibody by chemical labeling and mass spectrometry. Anal Chem. 2011 Nov 15;83(22):8501-8. doi: 10.1021/ac2016129. Epub 2011 Oct 28. PubMed PMID: 22004540.

纯度：≥98%

CAS：24645-80-5