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Chemistry reference

Semaglutide molecular formula, weight, and CAS

Identifiers for Semaglutide from PubChem CID 56843331. Laboratory handling notes below are general lyophilized-peptide documentation practices, not a protocol.

Catalog nameSemaglutide
PubChem titleSemaglutide
Verified synonymsSemaglutide; NN9535; NN 9535; NNC 0113-0217
PubChem CID56843331
CAS number910463-68-2
Molecular formulaC187H291N45O59
Molecular weight4114
Monoisotopic mass4111.1153770
SequenceL-Histidyl-2-methylalanyl-L-alpha-glutamylglycyl-L-threonyl-L-phenylalanyl-L-threonyl-L-seryl-L-alpha-aspartyl-L-valyl-L-seryl-L-seryl-L-tyrosyl-L-leucyl-L-alpha-glutamylglycyl-L-glutaminyl-L-alanyl-L-alanyl-N6-(N-(17-carboxy-1-oxoheptadecyl)-L-gamma-glutamyl-2-(2-(2-aminoethoxy)ethoxy)acetyl-2-(2-(2-aminoethoxy)ethoxy)acetyl)-L-lysyl-L-alpha-glutamyl-L-phenylalanyl-L-isoleucyl-L-alanyl-L-tryptophyl-L-leucyl-L-valyl-L-arginylglycyl-L-arginylglycine

Laboratory handling

Lyophilized peptide storage notes

  • Keep lyophilized vials dry, cold, and protected from light according to the laboratory SOP.
  • Limit moisture exposure when opening containers; record open date and storage location with the lot file.
  • Retain the matching COA, stated fill, and identity evidence with the material record.
  • Solvent choice, reconstitution math, and aliquot labeling belong in the laboratory notebook, not as personal-use guidance.