{"kind":"compound","id":"melanotan-ii","name":"Melanotan II","url":"https://costides.us/us/research/melanotan-ii","last_verified":"2026-08-21","identity":{"cas":"121062-08-6","formula":"C50H69N15O9","mw":1024.2,"sequence":null,"sequence_3letter":null,"residues":null,"pubchem":92432,"identity_note":null,"parent_ligand":null},"chunks":[{"id":"lead-melanotan-ii","type":"definition","heading":"What is Melanotan II?","text":"Melanotan II (MT2) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 121062-08-6, formula C50H69N15O9, average MW 1024.2 Da, PubChem CID 92432. It is indexed as cyclic melanocortin receptor agonist peptide.","words":43},{"id":"def-melanotan-ii","type":"definition","heading":"Melanotan II overview","text":"Melanotan II (MT2) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 121062-08-6, formula C50H69N15O9, average MW 1024.2 Da, PubChem CID 92432. It is indexed as cyclic melanocortin receptor agonist peptide. Synonyms and vendor codes indexed here include MT2, MT-II, MT-2. This page does not describe administration or dosing.","words":61},{"id":"id-melanotan-ii","type":"identity","heading":"Melanotan II chemical identity","text":"Melanotan II chemical identity: CAS 121062-08-6; formula C50H69N15O9; average MW 1024.2 Da; PubChem CID 92432. Values come from the Costides peptide research index.","words":23},{"id":"policy-melanotan-ii","type":"policy","heading":"Research Use Only","text":"Research Use Only. Not for human or veterinary use. This page indexes chemical identity and citations. It is not medical advice and does not describe administration or dosing.","words":28},{"id":"pass-what-melanotan-ii","type":"definition","heading":"What is Melanotan II?","text":"Melanotan II (MT2) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 121062-08-6, formula C50H69N15O9, average MW 1024.2 Da, PubChem CID 92432. It is indexed as cyclic melanocortin receptor agonist peptide.","words":43},{"id":"pass-human-melanotan-ii","type":"definition","heading":"Is Melanotan II for human use?","text":"No. Melanotan II (MT2) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":25},{"id":"pass-cas-melanotan-ii","type":"definition","heading":"What is the CAS number of Melanotan II?","text":"The CAS number of Melanotan II (MT2) is 121062-08-6. Formula and molecular weight appear in the identity table when retrieved.","words":20},{"id":"pass-mw-melanotan-ii","type":"definition","heading":"What is the molecular weight of Melanotan II?","text":"The average molecular weight of Melanotan II (MT2) listed on Costides is 1024.2 Da.","words":14},{"id":"faq-melanotan-ii-1","type":"faq","heading":"What is Melanotan II?","text":"Melanotan II (MT2) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 121062-08-6, formula C50H69N15O9, average MW 1024.2 Da, PubChem CID 92432. It is indexed as cyclic melanocortin receptor agonist peptide. The CAS number of Melanotan II is 121062-08-6. Research Use Only. Not for human or veterinary use.","words":60},{"id":"faq-melanotan-ii-2","type":"faq","heading":"What is the CAS number of Melanotan II?","text":"The CAS number of Melanotan II (MT2) is 121062-08-6. Formula and molecular weight appear in the identity table when retrieved.","words":20},{"id":"faq-melanotan-ii-3","type":"faq","heading":"Is Melanotan II for human use?","text":"No. Melanotan II (MT2) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":25},{"id":"faq-melanotan-ii-4","type":"faq","heading":"What is the molecular weight of Melanotan II?","text":"The average molecular weight of Melanotan II (MT2) listed on Costides is 1024.2 Da.","words":14},{"id":"faq-melanotan-ii-5","type":"faq","heading":"Can I buy Melanotan II from Costides?","text":"Yes. Melanotan II may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots.","words":27},{"id":"faq-melanotan-ii-6","type":"faq","heading":"Where does identity data for Melanotan II come from?","text":"Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.","words":24},{"id":"cite-melanotan-ii-1","type":"citation","heading":"PubChem CID 92432","text":"PubChem CID 92432. https://pubchem.ncbi.nlm.nih.gov/compound/92432","words":4},{"id":"cite-melanotan-ii-2","type":"citation","heading":"CAS Common Chemistry 121062-08-6","text":"CAS Common Chemistry 121062-08-6. https://commonchemistry.cas.org/detail?cas_rn=121062-08-6","words":5},{"id":"cite-melanotan-ii-3","type":"citation","heading":"Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report.","text":"Changes in Oral Mucosa Associated with Melanotan II Injections: A Case Report.. PMID 41752902. https://pubmed.ncbi.nlm.nih.gov/41752902/","words":15},{"id":"cite-melanotan-ii-4","type":"citation","heading":"DOI for PMID 41752902","text":"DOI for PMID 41752902. PMID 41752902. https://doi.org/10.3390/life16020265","words":7},{"id":"cite-melanotan-ii-5","type":"citation","heading":"Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma?","text":"Melanotan II nasal spray: a possible risk factor for oral mucosal malignant melanoma?. PMID 40210573. https://pubmed.ncbi.nlm.nih.gov/40210573/","words":16},{"id":"cite-melanotan-ii-6","type":"citation","heading":"DOI for PMID 40210573","text":"DOI for PMID 40210573. PMID 40210573. https://doi.org/10.1016/j.ijom.2025.03.014","words":7}],"faqs":[{"question":"What is Melanotan II?","answer":"Melanotan II (MT2) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 121062-08-6, formula C50H69N15O9, average MW 1024.2 Da, PubChem CID 92432. It is indexed as cyclic melanocortin receptor agonist peptide. The CAS number of Melanotan II is 121062-08-6. Research Use Only. Not for human or veterinary use."},{"question":"What is the CAS number of Melanotan II?","answer":"The CAS number of Melanotan II (MT2) is 121062-08-6. Formula and molecular weight appear in the identity table when retrieved."},{"question":"Is Melanotan II for human use?","answer":"No. Melanotan II (MT2) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing."},{"question":"What is the molecular weight of Melanotan II?","answer":"The average molecular weight of Melanotan II (MT2) listed on Costides is 1024.2 Da."},{"question":"Can I buy Melanotan II from Costides?","answer":"Yes. Melanotan II may appear in the Costides catalog as a Research Use Only 10-pack when published. Check the product listing for SKU, price, and CoA lots."},{"question":"Where does identity data for Melanotan II come from?","answer":"Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page."}],"links":[{"rel":"canonical","href":"https://costides.us/us/research/melanotan-ii"},{"rel":"rag","href":"https://costides.us/api/rag/compound/melanotan-ii"},{"rel":"cas","href":"https://costides.us/us/cas/121062-08-6"},{"rel":"llms","href":"https://costides.us/llms.txt"}]}