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Compound reference

Ipamorelin: CAS number, formula, molecular weight and sequence

Ipamorelin (NNC 26-0161) is a growth hormone secretagogue receptor (ghrelin receptor) agonist pentapeptide, CAS 170851-70-4, molecular formula C38H49N9O5, average molecular weight 711.9 g/mol.

For Laboratory Research Use Only. Not For Human Consumption.

Chemical data

Name
Ipamorelin
Synonyms
NNC 26-0161 · Aib-His-D-2-Nal-D-Phe-Lys-NH2 · Ipamorelin acetate
CAS number
170851-70-4
Molecular formula
C38H49N9O5
Average molecular weight
711.9 g/mol
Monoisotopic mass
711.3857 Da
Residues
5
Class
Growth hormone secretagogue receptor (ghrelin receptor) agonist pentapeptide
PubChem CID
9831659
Form supplied
Lyophilized powder
Purity specification
≥98% (HPLC)
Storage
Store lyophilized at -20°C; protect from light

Sequence

XHXfK

One-letter convention here: X = non-proteinogenic residue, lowercase = D-amino acid. X1 = Aib; X3 = 3-(2-naphthyl)-D-alanine (D-2-Nal); f4 = D-Phe; C-terminal Lys amide.

Ipamorelin molarity calculator

Pre-filled with the average molecular weight above. Change it if your lot is a salt form.

g/mol
mg
mL

Uses the formula weight you enter. For salt forms (acetate, TFA) use the salt's weight, and correct for net peptide content from the lot's certificate where it is reported.

Result

3.512 mM

2.5 mg/mL

References

Publications characterising this compound. Neupeptides makes no representation as to the findings, methods or applicability of the work below. The list is bibliographic and is not a claim about any product.

  1. Raun K, et al. Ipamorelin, the first selective growth hormone secretagogue. Eur J Endocrinol. 1998. PMID 9849822 · doi:10.1530/eje.0.1390552
  2. Ankersen M, et al. A new series of highly potent growth hormone-releasing peptides derived from ipamorelin. J Med Chem. 1998. PMID 9733495 · doi:10.1021/jm9801962

Questions

Ipamorelin FAQ

The CAS registry number of Ipamorelin is 170851-70-4.

Ipamorelin has an average molecular weight of 711.9 g/mol and a monoisotopic mass of 711.3857 Da, molecular formula C38H49N9O5. Salt forms such as acetate weigh more; the Certificate of Analysis states the form of each lot.

Ipamorelin has 5 residues: XHXfK. One-letter convention here: X = non-proteinogenic residue, lowercase = D-amino acid. X1 = Aib; X3 = 3-(2-naphthyl)-D-alanine (D-2-Nal); f4 = D-Phe; C-terminal Lys amide.

Neupeptides supplies Ipamorelin as a lyophilized powder in a sealed vial, for laboratory research use only. Storage: Store lyophilized at -20°C; protect from light. Each lot has a Certificate of Analysis, linked from the QR code on the box.