{"kind":"compound","id":"larazotide","name":"Larazotide","url":"https://costides.us/us/research/larazotide","last_verified":"2026-08-21","identity":{"cas":"258818-34-7","formula":"C32H55N9O10","mw":725.8,"sequence":null,"sequence_3letter":null,"residues":null,"pubchem":9810532,"identity_note":null,"parent_ligand":null},"chunks":[{"id":"lead-larazotide","type":"definition","heading":"What is Larazotide?","text":"Larazotide (AT1001) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 258818-34-7, formula C32H55N9O10, average MW 725.8 Da, PubChem CID 9810532. It is indexed as tight-junction modulator octapeptide studied in barrier models.","words":44},{"id":"def-larazotide","type":"definition","heading":"Larazotide overview","text":"Larazotide (AT1001) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 258818-34-7, formula C32H55N9O10, average MW 725.8 Da, PubChem CID 9810532. It is indexed as tight-junction modulator octapeptide studied in barrier models. Synonyms and vendor codes indexed here include AT1001, AT-1001, Larazotide acetate. This page does not describe administration or dosing.","words":63},{"id":"id-larazotide","type":"identity","heading":"Larazotide chemical identity","text":"Larazotide chemical identity: CAS 258818-34-7; formula C32H55N9O10; average MW 725.8 Da; PubChem CID 9810532. Values come from the Costides peptide research index.","words":22},{"id":"policy-larazotide","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-larazotide","type":"definition","heading":"What is Larazotide?","text":"Larazotide (AT1001) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 258818-34-7, formula C32H55N9O10, average MW 725.8 Da, PubChem CID 9810532. It is indexed as tight-junction modulator octapeptide studied in barrier models.","words":44},{"id":"pass-human-larazotide","type":"definition","heading":"Is Larazotide for human use?","text":"No. Larazotide (AT1001) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":24},{"id":"pass-cas-larazotide","type":"definition","heading":"What is the CAS number of Larazotide?","text":"The CAS number of Larazotide (AT1001) is 258818-34-7. Formula and molecular weight appear in the identity table when retrieved.","words":19},{"id":"pass-mw-larazotide","type":"definition","heading":"What is the molecular weight of Larazotide?","text":"The average molecular weight of Larazotide (AT1001) listed on Costides is 725.8 Da.","words":13},{"id":"faq-larazotide-1","type":"faq","heading":"What is Larazotide?","text":"Larazotide (AT1001) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 258818-34-7, formula C32H55N9O10, average MW 725.8 Da, PubChem CID 9810532. It is indexed as tight-junction modulator octapeptide studied in barrier models. The CAS number of Larazotide is 258818-34-7. Research Use Only. Not for human or veterinary use.","words":60},{"id":"faq-larazotide-2","type":"faq","heading":"What is the CAS number of Larazotide?","text":"The CAS number of Larazotide (AT1001) is 258818-34-7. Formula and molecular weight appear in the identity table when retrieved.","words":19},{"id":"faq-larazotide-3","type":"faq","heading":"Is Larazotide for human use?","text":"No. Larazotide (AT1001) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.","words":24},{"id":"faq-larazotide-4","type":"faq","heading":"What is the molecular weight of Larazotide?","text":"The average molecular weight of Larazotide (AT1001) listed on Costides is 725.8 Da.","words":13},{"id":"faq-larazotide-5","type":"faq","heading":"Can I buy Larazotide from Costides?","text":"Yes. Larazotide 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":26},{"id":"faq-larazotide-6","type":"faq","heading":"Where does identity data for Larazotide 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-larazotide-1","type":"citation","heading":"PubChem CID 9810532","text":"PubChem CID 9810532. https://pubchem.ncbi.nlm.nih.gov/compound/9810532","words":4},{"id":"cite-larazotide-2","type":"citation","heading":"CAS Common Chemistry 258818-34-7","text":"CAS Common Chemistry 258818-34-7. https://commonchemistry.cas.org/detail?cas_rn=258818-34-7","words":5},{"id":"cite-larazotide-3","type":"citation","heading":"Potassium-Competitive Acid Blocker Increases Ileal Permeability and Exacerbates Ileal Inflammation under Stress Conditions in a Mouse Model of Eosinophilic Enteritis.","text":"Potassium-Competitive Acid Blocker Increases Ileal Permeability and Exacerbates Ileal Inflammation under Stress Conditions in a Mouse Model of Eosinophilic Enteritis.. PMID 42008374. https://pubmed.ncbi.nlm.nih.gov/42008374/","words":23},{"id":"cite-larazotide-4","type":"citation","heading":"DOI for PMID 42008374","text":"DOI for PMID 42008374. PMID 42008374. https://doi.org/10.1159/000552062","words":7},{"id":"cite-larazotide-5","type":"citation","heading":"Integrated Role of Microbial, Fungal, and Plant-Derived Interventions in the Management of Celiac Disease: A Narrative Review.","text":"Integrated Role of Microbial, Fungal, and Plant-Derived Interventions in the Management of Celiac Disease: A Narrative Review.. PMID 41769533. https://pubmed.ncbi.nlm.nih.gov/41769533/","words":20},{"id":"cite-larazotide-6","type":"citation","heading":"DOI for PMID 41769533","text":"DOI for PMID 41769533. PMID 41769533. https://doi.org/10.7759/cureus.102471","words":7}],"faqs":[{"question":"What is Larazotide?","answer":"Larazotide (AT1001) is a Research Use Only chemical-identity and literature reference on Costides, not for human or veterinary use. Published identity includes CAS 258818-34-7, formula C32H55N9O10, average MW 725.8 Da, PubChem CID 9810532. It is indexed as tight-junction modulator octapeptide studied in barrier models. The CAS number of Larazotide is 258818-34-7. Research Use Only. Not for human or veterinary use."},{"question":"What is the CAS number of Larazotide?","answer":"The CAS number of Larazotide (AT1001) is 258818-34-7. Formula and molecular weight appear in the identity table when retrieved."},{"question":"Is Larazotide for human use?","answer":"No. Larazotide (AT1001) 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 Larazotide?","answer":"The average molecular weight of Larazotide (AT1001) listed on Costides is 725.8 Da."},{"question":"Can I buy Larazotide from Costides?","answer":"Yes. Larazotide 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 Larazotide 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/larazotide"},{"rel":"rag","href":"https://costides.us/api/rag/compound/larazotide"},{"rel":"cas","href":"https://costides.us/us/cas/258818-34-7"},{"rel":"llms","href":"https://costides.us/llms.txt"}]}