Gonadoliberin is a purified peptide and is mass spec standard which can be used for calibration of mass spectrometers. This peptide gives a monoisotopic mass of 1182.581 [M + H]+ and average mass of 1183.3 [M + H]+. Dissolve gonadoliberin peptide right in the tube with buffer or matrix solution then analyze by MALDI-MS or ESI-MS.

Amino Acid Sequence: pGlu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH₂

Molecular Weight: 1181.6

Monoisotopic Mass [M+H]+: 1182.581

CAS Number: 71447-49-9

Alternative Names: Gonadotropin releasing hormone; Luteinizing hormone releasing hormone human (LH-RH)