Melanotan II is a synthetic cyclic analogue of alpha-melanocyte-stimulating hormone (alpha-MSH) studied in research into melanocortin-receptor signalling pathways in experimental models.
Melanotan 2 (Melanotan II, MT-2) is a synthetic cyclic heptapeptide analogue of alpha-MSH with the sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2. It carries the molecular formula C50H69N15O9 and CAS number 121062-08-6. It is a melanocortin receptor ligand supplied as a lyophilised powder strictly as a laboratory reference material for non-clinical research.
Yes. Melanotan 2 is a synthetic cyclic heptapeptide, a lactam-bridged analogue of alpha-melanocyte stimulating hormone. Its molecular weight is 1024.2 g/mol and it is identified by CAS 121062-08-6 and PubChem CID 92432. It is supplied lyophilised for laboratory research use only, and is not a food, supplement, cosmetic or medicine.
Melanotan 2 is not a controlled drug under the Misuse of Drugs Act 1971, so it can be supplied in the UK as a research chemical. It is not authorised by the MHRA and is not a licensed medicine. Kyrolabs supplies it on a research-use-only basis as a laboratory reference material. It must not be administered to humans or animals, and the buyer is responsible for lawful, compliant handling.
No. Melanotan 2 is supplied for laboratory research use only. It is not for human or veterinary consumption and is not supplied for, and not to be used for, cosmetic pigmentation, skin appearance changes or any other human application. It is a reference compound for non-clinical study, not a medicine, supplement or cosmetic product, and no human use is intended or implied.
No. Melanotan 2 is not supplied for, and not to be used for, cosmetic pigmentation, skin appearance changes or any human application, and it is not a licensed medicine. Kyrolabs supplies it solely as a laboratory reference material on a research-use-only basis. Searches that pair this molecule with cosmetic use describe an unauthorised human use that this product is not offered for.
They are distinct molecules. Melanotan 1 (afamelanotide) is a linear analogue of alpha-MSH, while Melanotan 2 is a smaller cyclic lactam heptapeptide that acts non-selectively across melanocortin receptors. Each is supplied as a separate research-use-only reference compound with its own Certificate of Analysis. Both are laboratory materials only, not medicines, and not for human use.
Melanotan 2 has the molecular formula C50H69N15O9, a molecular weight of 1024.2 g/mol and the sequence Ac-Nle-cyclo[Asp-His-D-Phe-Arg-Trp-Lys]-NH2. Its CAS number is 121062-08-6, its PubChem CID is 92432 and its InChIKey is JDKLPDJLXHXHNV-MFVUMRCOSA-N. These identifiers are confirmed on the batch Certificate of Analysis released with each lot.
No. Purity and identity vary between suppliers and batches, so labelling alone is not a guarantee. Kyrolabs releases every lot of Melanotan 2 against an independent Certificate of Analysis, with purity assessed by HPLC at >= 99% and identity confirmed against the expected mass and verified identifiers. Current documentation is published on our Certificates of Analysis page.
Kyrolabs Melanotan 2 is supplied at >= 99% purity as assessed by HPLC, with identity confirmed against the expected mass. Each batch is released against an independent Certificate of Analysis recording purity and the verified identifiers, including CAS 121062-08-6 and PubChem CID 92432. It is supplied as a lyophilised powder for laboratory research use only.
Melanotan 2 is supplied as a lyophilised white to off-white powder for stability in transit. For laboratory handling it is typically reconstituted in bacteriostatic water. This describes laboratory preparation of a reference material only; the product is not for human or veterinary use, and no route of administration into a body is intended or implied. Vials are despatched from the UK.
Store lyophilised Melanotan 2 at -20C, kept dry and protected from light, to maintain stability. Once reconstituted in bacteriostatic water for laboratory use, hold the material at 2-8C and protect it from light. Correct storage preserves the integrity of the reference compound for non-clinical research. It remains a research-use-only material and is not for human or veterinary use.
Kyrolabs supplies Melanotan 2 (MT-2) in the UK as a lyophilised research-grade peptide, despatched from the UK with each batch released against an independent Certificate of Analysis. It is sold strictly as a laboratory reference material on a research-use-only basis, not for human or veterinary use. Related materials are grouped under the melanocortins category.
Melanotan 2 is neither. It is not a controlled drug under the Misuse of Drugs Act 1971, and it is not a licensed medicine authorised by the MHRA for any human or veterinary use. Kyrolabs supplies it solely as a research chemical and laboratory reference material on a research-use-only basis. It must not be administered to humans or animals.
Related
There are no reviews yet. Be the first to leave one.
KYRO supplies research-grade peptides for laboratory and in-vitro studies only. They are not medicines, hold no UK marketing authorisation, and are not presented to diagnose, treat, cure, prevent, or mitigate any condition. We do not provide therapeutic, dosing, or medical advice. By placing an order you confirm you are 18+ and acting as a qualified person in a research capacity.
Independent UK supplier of high-purity research peptides. Every batch HPLC-tested, cold-chain stored, and dispatched same-day from our Greater London facility.
© 2026 Kyrolabs Group Ltd.
