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Compound reference

GHK-Cu: CAS number, formula, molecular weight and sequence

GHK-Cu (Prezatide copper) is a copper(II) tripeptide complex, CAS 89030-95-5, molecular formula C14H23CuN6O4+, average molecular weight 402.92 g/mol.

For Laboratory Research Use Only. Not For Human Consumption.

Chemical data

Name
GHK-Cu
Synonyms
Prezatide copper · Copper tripeptide-1 · GHK copper
CAS number
89030-95-5This is the 1:1 copper complex. The free GHK peptide is 49557-75-7.
Molecular formula
C14H23CuN6O4+
Average molecular weight
402.92 g/mol
Monoisotopic mass
402.1077 Da
Residues
3
Class
Copper(II) tripeptide complex
PubChem CID
71587328
Form supplied
Lyophilized powder
Purity specification
≥98% (HPLC)
Storage
Store lyophilized at -20°C; protect from light

Sequence

GHK

Gly-His-Lys tripeptide (free termini) coordinating Cu(II). PubChem depicts the 1:1 complex as a cation (C14H23CuN6O4+, charge +1).

GHK-Cu 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

6.205 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. Lau SJ, et al. The interaction of copper(II) and glycyl-L-histidyl-L-lysine, a growth-modulating tripeptide from plasma. Biochem J. 1981. PMID 7340824 · doi:10.1042/bj1990649
  2. Freedman JH, et al. Structure of the Glycyl-L-histidyl-L-lysine--copper(II) complex in solution. Biochemistry. 1982. PMID 6291585 · doi:10.1021/bi00262a004
  3. Laussac JP, et al. N.m.r. and e.p.r. investigation of the interaction of copper(II) and glycyl-L-histidyl-L-lysine, a growth-modulating tripeptide from plasma. Biochem J. 1983. PMID 6303307 · doi:10.1042/bj2090533

Questions

GHK-Cu FAQ

The CAS registry number of GHK-Cu is 89030-95-5. This is the 1:1 copper complex. The free GHK peptide is 49557-75-7.

GHK-Cu has an average molecular weight of 402.92 g/mol and a monoisotopic mass of 402.1077 Da, molecular formula C14H23CuN6O4+. Salt forms such as acetate weigh more; the Certificate of Analysis states the form of each lot.

GHK-Cu has 3 residues: GHK. Gly-His-Lys tripeptide (free termini) coordinating Cu(II). PubChem depicts the 1:1 complex as a cation (C14H23CuN6O4+, charge +1).

Neupeptides supplies GHK-Cu 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.