NB-GHK-Cu
REF · NB-GHKA copper-binding tripeptide complex, supplied as a laboratory reference reagent. Currently in testing.

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Important Notice
This product is sold strictly for laboratory research purposes only. It is not for human or animal use, and not for therapeutic or diagnostic applications. By purchasing, you confirm that you are a qualified individual using this product in accordance with all applicable laws and research regulations.
Description
NB-GHK-Cu is a synthetic tripeptide-copper(II) complex. It is characterized by its coordination chemistry, molecular formula, and copper-binding structure.
Null Bio Lab is currently qualifying NB-GHK-Cu for research supply. Full specification sheets and batch documentation will be published once testing is complete.
Substance Properties
| Chemical name | NB-GHK-Cu |
| CAS number | 49557-75-7 |
| Molecular formula | C₁₄H₂₂CuN₆O₄ |
| Sequence | Gly-His-Lys-Cu(II) |
| Molecular mass | 340.38 g/mol |
| Target purity (HPLC) | ≥99% (target) |
| Appearance | Blue lyophilized powder |
| Use | Laboratory research only — not for human, veterinary, or pharmaceutical use |
Storage
| Long-term | −20°C (up to 2 years) |
| Short-term, refrigerated | 2–8°C (up to 3 months) |
| Handling | Do not shake. Store in closed packaging, protected from light, UV, moisture and heat. |