Research Use Only
Larazotide
· Reviewed by Aydan Myers, Lead Chemist · Evidence tier B
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.
Key facts
| CAS Registry Number | 258818-34-7 |
|---|---|
| Molecular formula | C32H55N9O10 |
| Average molecular weight | 725.8 Da |
| PubChem CID | 9810532 |
| InChIKey | ORFLZNAGUTZRLQ-ZMBVWFSWSA-N |
| Page type | Research identity monograph |
| Intended use | Research Use Only (reference) |
| Synonyms | AT1001, AT-1001, Larazotide acetate |
| Research notes | tight-junction modulator octapeptide studied in barrier models |
| Evidence tier | B |
| Last verified | 2026-08-21 |
Is Larazotide for human use?
No. Larazotide (AT1001) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
What is the CAS number of Larazotide?
The CAS number of Larazotide (AT1001) is 258818-34-7. Formula and molecular weight appear in the identity table when retrieved.
What is the molecular weight of Larazotide?
The average molecular weight of Larazotide (AT1001) listed on Costides is 725.8 Da.
Chemical identity table
| CAS Registry Number | 258818-34-7 |
|---|---|
| Molecular formula | C32H55N9O10 |
| Average molecular weight | 725.8 Da |
| PubChem CID | 9810532 |
| InChIKey | ORFLZNAGUTZRLQ-ZMBVWFSWSA-N |
| Synonyms | AT1001, AT-1001, Larazotide acetate |
Frequently asked questions
- What is Larazotide?
- 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.
- What is the CAS number of Larazotide?
- The CAS number of Larazotide (AT1001) is 258818-34-7. Formula and molecular weight appear in the identity table when retrieved.
- Is Larazotide for human use?
- No. Larazotide (AT1001) pages on Costides are Research Use Only reference materials. They are not medical advice and do not describe administration or dosing.
- What is the molecular weight of Larazotide?
- The average molecular weight of Larazotide (AT1001) listed on Costides is 725.8 Da.
- Can I buy Larazotide from Costides?
- 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.
- Where does identity data for Larazotide come from?
- Costides indexes registry and bibliographic sources (PubChem, CAS Common Chemistry, PubMed permalinks) when available. Outcome or efficacy claims are not restated on this page.
Citations
- PubChem CID 9810532
- CAS Common Chemistry 258818-34-7
- Potassium-Competitive Acid Blocker Increases Ileal Permeability and Exacerbates Ileal Inflammation under Stress Conditions in a Mouse Model of Eosinophilic Enteritis. PMID 42008374
- DOI for PMID 42008374 PMID 42008374
- Integrated Role of Microbial, Fungal, and Plant-Derived Interventions in the Management of Celiac Disease: A Narrative Review. PMID 41769533
- DOI for PMID 41769533 PMID 41769533
- Larazotide Acetate Protects the Intestinal Mucosal Barrier from Anoxia/Reoxygenation Injury via Various Cellular Mechanisms. PMID 41153766
- DOI for PMID 41153766 PMID 41153766