mPEG-SCM is one type of mPEG-NHS reagents. There is a methylene (CH2) linkage between PEG and the NHS ester. More details can be found at the FAQ webpage.
Common Questions
Trustpilot
TrustScore 4.5 | 7,300+ reviews
Ayesha M.
The product exactly matches the description. Very satisfied with my purchase.
5 days ago
Ali H.
Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.