peptides
Mounjaro Tirzepatide
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About this product
Tirzepatide 5mg - 15mg, brand name Mounjaro
Tirzepatide — Peptide Overview
Tirzepatide is a synthetic peptide with a defined sequence of 39 amino acid residues and an attached fatty acid component. Its chemical identity includes the peptide chain, specific amino acid substitutions and the arrangement of its additional structural components.
The name tirzepatide identifies the compound itself. Its CAS number, molecular formula and molecular weight provide complementary reference details for distinguishing it from other peptides and comparing chemical specifications.
Structure and Composition
Tirzepatide contains the modified amino acid aminoisobutyric acid, commonly abbreviated as Aib, at positions 2 and 13 of its peptide sequence. The lysine residue at position 20 carries a linker connected to a 20-carbon fatty diacid. The end of the peptide chain has an amide group, described in chemical specifications as a C-terminal amide.
These features form part of tirzepatide’s complete molecular structure. Its molecular formula therefore accounts for both the amino acid chain and the attached chemical groups.
Product Compound Information
| Specification | Details |
| Compound name | Tirzepatide |
| Compound type | Synthetic, chemically modified peptide |
| CAS number | 2023788-19-2 |
| Amino acid count | 39 residues |
| Molecular formula | C₂₂₅H₃₄₈N₄₈O₆₈ |
| Molecular weight | 4,813.53 g/mol |
| Modified amino acids | Aib at positions 2 and 13 |
| Attached component | C20 fatty diacid connected through a linker at lysine 20 |
| C-terminal group | Amide |
Understanding Compound Specifications
Chemical identity, quantity and physical form describe different aspects of a peptide material. The CAS number identifies the chemical substance, while the molecular formula describes its elemental composition. Molecular weight refers to the defined molecule rather than the total contents of a vial.
A quantity expressed in milligrams describes mass. It does not, by itself, specify concentration, which also requires a volume. Similarly, descriptions such as “lyophilised” refer to a freeze-dried presentation rather than a different peptide identity.
These distinctions help readers interpret tirzepatide specifications without confusing the underlying compound with a particular formulation or branded product.
