1-(tert-butyl) 5-(2,5-dioxopyrrolidin-1-yl) (18-(tert-butoxy)-18-oxooctadecanoyl)-L-glutamate

1-(叔丁基) 5-(2,5-二氧代吡咯烷-1-基) (18-(叔丁氧基)-18-氧代十八烷酰基)-L-谷氨酸酯

Also known as: L-Glutamic acid, N-[18-(1,1-dimethylethoxy)-1,18-dioxooctadecyl]-, 1-(1,1-dimethylethyl) 5-(2,5-dioxo-1-pyrrolidinyl) ester, Semaglutide side chain NHS ester, Semaglutide intermediate, NHS, Semaglutide sidechain

1-(tert-butyl) 5-(2,5-dioxopyrrolidin-1-yl) (18-(tert-butoxy)-18-oxooctadecanoyl)-L-glutamate (CAS 1188328-22-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C37H67N3O13 and a molecular weight of 761.94018 g/mol. It is also known as L-Glutamic acid, N-[18-(1,1-dimethylethoxy)-1,18-dioxooctadecyl]-, 1-(1,1-dimethylethyl) 5-(2,5-dioxo-1-pyrrolidinyl) ester, Semaglutide side chain NHS ester and Semaglutide intermediate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1188328-22-4

Jingsj CID

J-1825237-8

Molecular Formula

C₃₇H₆₇N₃O₁₃

Chinese Name

1-(叔丁基) 5-(2,5-二氧代吡咯烷-1-基) (18-(叔丁氧基)-18-氧代十八烷酰基)-L-谷氨酸酯

Molecular Weight

761.94018 g/mol

Category

Organic Acids

Last updated

8/21/2026