Source comparison
Structural Comparison at a Glance
C-terminal group Amide (-NH₂) Free carboxyl (-OH) Cyclic lactam bridge Yes Norleucine at position 4 D-Phe at position 7 Molecular weight ~1024 Da ~1025 Da CAS Number 121062-08-6 189691-06-3 Primary receptor targets MC1R, MC3R, MC4R MC3R, MC4R (MC1R lower) Rela
This comparison does not assign a generated winner or score.
- C-terminal group
- Amide (-NH₂)
- Free carboxyl (-OH)
- Cyclic lactam bridge
- Yes
- Norleucine at position 4
- D-Phe at position 7
- Molecular weight
- ~1024 Da
- ~1025 Da
- CAS Number
- 121062-08-6
- 189691-06-3
- Primary receptor targets
- MC1R, MC3R, MC4R
- MC3R, MC4R (MC1R lower)
- Relative receptor selectivity
- Broad (pan-agonist across MCRs)
- More selective at MC3R/MC4R