Chemical Compound

D-Asp-15 Tirzepatide

CAS Registry Number 28289-54-5
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D-Asp-15 Tirzepatide chemical structure
Primary Record

D-Asp-15 Tirzepatide

In stock
4,977 g
Purity
99.8 %
CAS
28289-54-5

Compound Identifiers & Properties

CAS
28289-54-5
PubChem CID
176453329
SMILES
CC[C@H](C)[C@@H](C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCCNC(=O)COCCOCCNC(=O)COCCOCCNC(=O)CC[C@H](C(=O)O)NC(=O)CCCCCCCCCCCCCCCCCCC(=O)O)C(=O)N[C@@H](C)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CC2=CNC3=CC=CC=C32)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(=O)NCC(=O)NCC(=O)N4CCC[C@H]4C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](C)C(=O)N5CCC[C@H]5C(=O)N6CCC[C@H]6C(=O)N7CCC[C@H]7C(=O)N[C@@H](CO)C(=O)N)NC(=O)[C@H](CCCCN)NC(=O)[C@@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)C(C)(C)NC(=O)[C@H]([C@@H](C)CC)NC(=O)[C@H](CO)NC(=O)[C@H](CC8=CC=C(C=C8)O)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@H]([C@@H](C)O)NC(=O)[C@H](CC9=CC=CC=C9)NC(=O)[C@H]([C@@H](C)O)NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)C(C)(C)NC(=O)[C@H](CC1=CC=C(C=C1)O)N
Canonical SMILES
CC[C@H](C)[C@H](NC(=O)[C@H](CC(C)C)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](C)NC(=O)[C@H](CCCCNC(=O)COCCOCCNC(=O)COCCOCCNC(=O)CC[C@@H](NC(=O)CCCCCCCCCCCCCCCCCCC(=O)O)C(=O)O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](C)NC(=O)[C@@H](NC(=O)[C@H](CCCCN)NC(=O)[C@@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)C(C)(C)NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)C(C)(C)NC(=O)[C@@H](N)Cc1ccc(O)cc1)[C@@H](C)O)[C@@H](C)O)[C@@H](C)CC)[C@@H](C)CC)C(C)C)C(=O)N[C@@H](C)C(=O)NCC(=O)NCC(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](C)C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(N)=O

Names & Synonyms

  • D-Asp-15 Tirzepatide
  • Pethidine EP Impurity B (Free Base)
  • IA11853
  • H-Y(Aib)EGTFTSDYSI(Aib)L(dD)KIAQ(K/(C20DA)(gE)(AEEA)(AEEA))AFVQWLIAGGPSSGAPPPS-NH2
  • 28289-54-5
Custom Synthesis

Tirzepatide Custom Synthesis Services

Explore our custom synthesis capabilities for Tirzepatide-related peptides, building blocks, intermediates, impurities and analytical reference materials. Custom requirements and specifications can be discussed with our team.

Peptide Sequence Modification

Custom amino acid substitutions, sequence extensions, truncations and terminal modifications.

  • Amino Acid Substitution
  • D-Amino Acid Incorporation
  • Non-Natural Amino Acid Incorporation
  • Sequence Truncation
  • Sequence Extension
  • N-Terminal Modification
  • C-Terminal Modification

Tirzepatide Analogs

Custom synthesis of structurally modified Tirzepatide analogs.

  • Structural Analogs
  • Sequence Variants
  • Peptide Derivatives
  • Modified Peptide Analogs

Lipidated Derivatives

Custom fatty acid conjugation and lipid chain modifications.

  • Fatty Acid Modification
  • Lipid Chain Variation
  • Fatty Acid Conjugates
  • Lipidation Site Modification
  • Lipidated Peptide Analogs

Linkers & Chemical Intermediates

Custom synthesis of linkers and key chemical intermediates.

  • PEG Linkers
  • Amino Acid Linkers
  • Hydrophilic Linkers
  • Linker Derivatives
  • Lipid-Linker Intermediates

Amino Acid Building Blocks

Custom synthesis of natural, non-natural and protected amino acid building blocks.

  • Aib Derivatives
  • Fmoc-Protected Amino Acids
  • Boc-Protected Amino Acids
  • Non-Natural Amino Acids
  • D-Amino Acids
  • Side-Chain Protected Amino Acids
  • Isotope-Labeled Amino Acids

Peptide Fragments

Custom synthesis of peptide sequences and protected peptide intermediates.

  • N-Terminal Peptide Fragments
  • C-Terminal Peptide Fragments
  • Internal Peptide Fragments
  • Protected Peptide Fragments
  • Lipidated Peptide Fragments

Impurities & Degradation Products

Custom synthesis of process-related impurities and degradation products.

  • Deletion Peptide Impurities
  • Insertion Peptide Impurities
  • Sequence-Related Impurities
  • Epimerization Impurities
  • Oxidation Products
  • Deamidation Products
  • Lipidation-Related Impurities
  • Diketopiperazine Impurities

Isotope-Labeled Tirzepatide

Custom synthesis of stable isotope-labeled peptides and derivatives.

  • 13C-Labeled Tirzepatide
  • 15N-Labeled Tirzepatide
  • 13C/15N-Labeled Peptides
  • Deuterium-Labeled Peptides
  • Isotope-Labeled Peptide Fragments

Reference Standards

Custom synthesis of analytical standards and impurity reference materials.

  • Tirzepatide Reference Standards
  • Working Standards
  • Impurity Reference Standards
  • System Suitability Standards
  • Analytical Peptide Standards