AF-710B CAS No. 1235733-73-9

Biological Activity and Applications

• Mechanism of Action: Allosteric agonist of the M1 muscarinic receptor and σ1 (sigma-1) receptor

• Therapeutic Research Use: Investigated for cognitive enhancement and disease-modifying effects in Alzheimer’s disease, with preclinical models showing neuroprotective and cognition-boosting potential. Also studied in contexts like schizophrenia and other neurological disorders.

• Clinical Development: As of August 2025, AF-710B (ANAVEX 3-71) is in clinical development, including a Phase 2 trial for schizophrenia that completed enrollment in May 2025, with top-line data expected later in the year. A Phase 1 first-in-human study was initiated in July 2024.

Uses

• Primary Use: Investigational drug for the treatment of neurodegenerative diseases (Alzheimer’s disease) and neuropsychiatric disorders (schizophrenia).

• Potential Applications: Cognitive enhancement, neuroprotection, and management of other neurological disorders.

Chemical Identity and Structure

• IUPAC Name: 1-(2,8-dimethyl-1-thia-3,8-diazaspiro[4.5]decan-3-yl)-3-(1H-indol-3-yl)propan-1-one

• Molecular Formula: C₂₀H₂₇N₃OS

• Molecular Weight: 357.5 g/mol

• CAS Registry Number: 1235733-73-9

• InChI: InChI=1S/C20H27N3OS/c1-15-23(14-20(25-15)9-11-22(2)12-10-20)19(24)8-7-16-13-21-18-6-4-3-5-17(16)18/h3-6,13,15,21H,7-12,14H2,1-2H3

• InChIKey: XWMHYQATSBWUNT-UHFFFAOYSA-N

• SMILES: CC1N(CC2(S1)CCN(CC2)C)C(=O)CCC3=CNC4=CC=CC=C43

Physicochemical Properties

• XLogP₃: 3.1 (lipophilicity estimate)

• Topological Polar Surface Area (tPSA): 64.6 Ų

• Hydrogen Bond Donors: 1

• Hydrogen Bond Acceptors: 3

• Rotatable Bonds: 3

• Stereochemistry: Racemic mixture (one undefined stereocenter)

Solubility and Storage

• Solubility: Soluble in DMSO

• Physical Form: Solid at room temperature

• Storage Conditions:

  • Powder: −20 °C (stable for years)

  • In solution: −80 °C up to 6–12 months

Safety and Regulation

• Regulatory Status: Subject to strict regulatory oversight by agencies like the EPA (Environmental Protection Agency) in the U.S. and the EFSA (European Food Safety Authority) in the EU.

• Guidelines: Specific guidelines on application rates, timing, and maximum residue limits (MRLs) in food products to ensure environmental and consumer safety.

Product Documents

• Safety Data Sheet (SDS)
• Certificate of Analysis
• Product Brochure
• Technical Data Sheet