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2D Structure
Also known as: 170851-70-4, Ipamorelin [inn], Y9m3s784z6, Aib-his-d-2-nal-d-phe-lys-nh2, Nnc-260161, Nnc 26-0161
Molecular Formula
C38H49N9O5
Molecular Weight
711.9  g/mol
InChI Key
NEHWBYHLYZGBNO-BVEPWEIPSA-N
FDA UNII
Y9M3S784Z6

Ipamorelin is a pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH2) and a ghrelin mimetic with growth hormone (GH) releasing activity. Ipamorelin mimics ghrelin and binds to the ghrelin receptor (or GH secretagogue receptor, GHSR) in the brain, thereby selectively stimulating the release of GH from the pituitary gland. This results in increased plasma GH levels, which would affect many biological processes. Besides its presence in the brain, GHSR can also be found in the gastrointestinal tract, heart, lung, liver, kidney, pancreas, adipose tissue and immune cells. Unlike other GH releasing peptides, ipamorelin only stimulates GH release in a manner very similar to that of growth hormone releasing hormone.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(2S)-6-amino-2-[[(2R)-2-[[(2R)-2-[[(2S)-2-[(2-amino-2-methylpropanoyl)amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-naphthalen-2-ylpropanoyl]amino]-3-phenylpropanoyl]amino]hexanamide
2.1.2 InChI
InChI=1S/C38H49N9O5/c1-38(2,41)37(52)47-32(21-28-22-42-23-43-28)36(51)46-31(20-25-15-16-26-12-6-7-13-27(26)18-25)35(50)45-30(19-24-10-4-3-5-11-24)34(49)44-29(33(40)48)14-8-9-17-39/h3-7,10-13,15-16,18,22-23,29-32H,8-9,14,17,19-21,39,41H2,1-2H3,(H2,40,48)(H,42,43)(H,44,49)(H,45,50)(H,46,51)(H,47,52)/t29-,30+,31+,32-/m0/s1
2.1.3 InChI Key
NEHWBYHLYZGBNO-BVEPWEIPSA-N
2.1.4 Canonical SMILES
CC(C)(C(=O)NC(CC1=CN=CN1)C(=O)NC(CC2=CC3=CC=CC=C3C=C2)C(=O)NC(CC4=CC=CC=C4)C(=O)NC(CCCCN)C(=O)N)N
2.1.5 Isomeric SMILES
CC(C)(C(=O)N[C@@H](CC1=CN=CN1)C(=O)N[C@H](CC2=CC3=CC=CC=C3C=C2)C(=O)N[C@H](CC4=CC=CC=C4)C(=O)N[C@@H](CCCCN)C(=O)N)N
2.2 Other Identifiers
2.2.1 UNII
Y9M3S784Z6
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Aib-his-2nal-phe-lys-nh2

2.3.2 Depositor-Supplied Synonyms

1. 170851-70-4

2. Ipamorelin [inn]

3. Y9m3s784z6

4. Aib-his-d-2-nal-d-phe-lys-nh2

5. Nnc-260161

6. Nnc 26-0161

7. Nnc-26-0161

8. 2-methylalanyl-l-histidyl-3-(2-naphthyl)-d-alanyl-d-phenylalanyl-l-lysinamide

9. Ipamorelin Acetate

10. Unii-y9m3s784z6

11. Ipamorelin [who-dd]

12. Aib-his-2nal-phe-lys-nh2

13. Chembl58547

14. Schembl183305

15. Schembl8169698

16. Amy25371

17. Vga85170

18. Zinc29562299

19. Db12370

20. Ncgc00167295-01

21. As-56185

22. 2-methylalanyl-l-histidyl-3-(2-naphthyl)-d-alanyl-d-phenylalanyl-l-lysinamide.

2.4 Create Date
2006-10-25
3 Chemical and Physical Properties
Molecular Weight 711.9 g/mol
Molecular Formula C38H49N9O5
XLogP31.8
Hydrogen Bond Donor Count8
Hydrogen Bond Acceptor Count8
Rotatable Bond Count19
Exact Mass711.38566570 g/mol
Monoisotopic Mass711.38566570 g/mol
Topological Polar Surface Area240 Ų
Heavy Atom Count52
Formal Charge0
Complexity1200
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1