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ALTO-100 | NSI-189

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NSI-189 phosphate is a neurogenic signalling pathway within the central nervous system and neuroplasticity and neuronal metabolic regulation.

$67.00

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  • By purchasing any products, you acknowledge and agree that all materials are supplied solely for scientific research, laboratory experimentation, or analytical purposes.
Form
Lyophilized
Molecular Formula
See COA
Molecular Weight
See COA
CAS Number
See COA
PubChem CID
See COA
Research Data
Primary Effect Over Time
Literature
Cellular Ratio
Comparative Metric
Activity Profile
Activity Profile
Mechanism
Cellular Pathway
01
Hippocampal Neural Progenitor Stimulation
02
Neuroinflammation Reduction (Microglial Suppression)
03
Hippocampal Volume Hypothesis (Clinical)
Metabolic Network
Biosynthesis Map
Hippocampal Neural Progenitor Stimulation
Neuroinflammation Reduction (Microglial Suppression)
Hippocampal Volume Hypothesis (Clinical)
Signal Output
Response
Repair Systems
Stress
Mitochondria
Energy
ALTO-100 | NSI-189 CENTRAL HUB
Research Focus
Research Coverage
Product Data
Compound Identity
Product NameALTO-100 | NSI-189
Functional ClassSynaptics
FormLyophilized
Purity99%+
Content5mg
Count1 capsule
Research UseResearch Grade
Specifications
Technical Specs
CAS NumberSee COA
Molecular WeightSee COA
Molecular FormulaSee COA
PubChem CIDSee COA
AppearanceWhite to off-white powder
Storage2-8C preferred
Product Specs
Solubility Profile
WaterHighly soluble
Acidified WaterHighly soluble
DMSOHighly soluble
EthanolModerate
Lipid solventsPoor compatibility
Product Specs
Storage Specs
Lyophilized2–8°C preferred
Long-term−20°C recommended
Light SensitivityModerate
MoistureHigh sensitivity
StabilityStable when dry
ContainerSterile sealed vial
Literature
Research Citations
Catalogue Pathway
Related Systems
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Important Notice
Research Use Only

AminoBox products are supplied for research, analytical, and laboratory use only. Product information is provided for educational and technical reference and does not constitute medical advice. Products are not intended to diagnose, treat, cure, or prevent any disease.

Product Composition

Property Specification
Product Name ALTO-100
Alternate Names NSI-189, NSI-189 Phosphate, Amdiglurax
Peptide Content 10mg
Package Size 60 capsules
Compound Class Synthetic neurogenic small-molecule (benzylpiperazine-aminopyridine derivative)
Physical Form Lyophilized powder / solid (research format dependent)
Appearance White to off-white powder
Purity Typically ≥98%
Research Category Neurogenesis / antidepressant pathway research compound

Molecular Information

Property Specification
Molecular Formula (phosphate salt) C22H30N4O · H3O4P
Molecular Weight (phosphate) ~464.5 g/mol
CAS Number  1270138-41-4 (phosphate)
PubChem CID 50922681
UNII YVE9U408ZL
Compound Type Small-molecule neurogenic agent
Stereochemistry Achiral

Structural Classification

Category Description
Compound Type Benzylpiperazine-aminopyridine derivative
Functional Class Neurogenic / synaptic plasticity modulator
Biological Focus Hippocampal neurogenesis & BDNF signaling pathways
Mechanistic Focus Neuroplasticity and neuronal growth signaling
Chemical Family CNS-active small molecule (non-peptide)

Mechanism Research Profile

Research Focus Description
Neurogenesis Studied for stimulation of hippocampal neural progenitor proliferation
BDNF Modulation Associated with increased brain-derived neurotrophic factor expression
Synaptic Plasticity Investigated for enhancement of neuronal connectivity and remodeling
Antidepressant Pathways Evaluated as monoamine-independent antidepressant mechanism
Cognitive Function Explored for effects on learning and memory performance models

Research Areas Commonly Associated

Research Area Focus
Neuropsychiatric Research Depression & PTSD modeling
Cognitive Enhancement Research Learning and memory pathways
Neuroregeneration Hippocampal structural plasticity
Brain Injury Research Stroke and neuronal recovery models
Precision Psychiatry Biomarker-guided antidepressant response studies

Solubility Profile

Solvent Solubility
DMSO Highly soluble
Sterile Water Moderately soluble (varies by salt form)
Bacteriostatic Water Compatible for dilution (research context)
PEG-based solvents Compatible in formulation systems
Saline Limited solubility without co-solvents

Storage Specifications

Parameter Recommendation
Lyophilized Storage -20°C preferred
Reconstituted Storage 2–8°C refrigerated
Light Sensitivity Moderate
Moisture Sensitivity High
Stability Stable in dry form for extended periods
Container Type Sterile sealed vial

Technical Characteristics

Feature Notes
Delivery Format Lyophilized powder (10mg per unit, 60-count pack format)
Structural Advantage Small-molecule CNS penetration capability
Configuration Non-peptide synthetic neurogenic compound
Stability Profile High chemical stability under dry conditions
Research Use Laboratory research only

ALTO-100 | NSI-189 Phosphate | 10mg

NSI-189 was developed within a pharmaceutical research framework exploring compounds capable of influencing neuronal growth, synaptic remodeling, and brain-derived neurotrophic signaling environments. It has since been studied in both preclinical models and early-phase human trials, primarily in the context of neuropsychiatric research.

ALTO-100 is classified as an experimental research compound, and while it has undergone limited clinical evaluation, its mechanism of action is not fully established and its therapeutic efficacy remains under scientific investigation.


Mechanistic Research Context

NSI-189 has been studied primarily in relation to neurogenic and neurotrophic signaling systems, particularly within hippocampal brain regions associated with memory formation, mood regulation, and cognitive processing.

Preclinical research has investigated its potential involvement in:

1. Hippocampal Neurogenesis Pathways

The hippocampus is a brain region associated with:

  • Learning and memory formation
  • Emotional regulation
  • Cognitive flexibility

Experimental models suggest NSI-189 may influence cellular environments associated with neuronal growth and structural plasticity in this region, although the precise mechanism remains under investigation.


2. Neurotrophic Signaling Systems

Research interest in NSI-189 has focused on its relationship to:

  • Brain-derived neurotrophic factor (BDNF) pathways (indirect association in models)
  • Neuronal survival signaling
  • Synaptic remodeling and plasticity
  • Cellular stress adaptation in neural tissue

These pathways are central to modern neurobiology and are widely studied in relation to brain resilience and adaptation mechanisms.


3. Mitochondrial & Cellular Energy Research

Some experimental findings have suggested potential links between NSI-189 and:

  • Neuronal mitochondrial function
  • Cellular energy metabolism in brain tissue
  • Oxidative stress response modulation

These observations are preliminary and remain part of ongoing mechanistic research.


Clinical Research Context

NSI-189 (ALTO-100) has undergone limited early-phase human studies, including Phase 1 and Phase 1B clinical trials evaluating:

  • Safety and tolerability
  • Pharmacokinetic behavior
  • Preliminary mood and cognitive outcome measures

While some early findings suggested potential neuropsychiatric effects, later studies produced mixed or inconclusive efficacy results, and no definitive clinical application has been established.

As such, NSI-189 remains an investigational compound under continued scientific evaluation, rather than an approved therapeutic agent.


Theoretical Cognitive Research Interest

Based on its investigational profile and preclinical data, NSI-189 is frequently discussed in relation to:

  • Cognitive function and memory processing pathways (experimental models)
  • Neuroplasticity and synaptic adaptation systems (preclinical research)
  • Mood regulation circuitry in the hippocampal-prefrontal axis (early clinical hypotheses)
  • Brain energy metabolism and neuronal resilience (mechanistic exploration)

These associations are research-based hypotheses, not confirmed functional outcomes.


Research Status & Limitations

Important scientific limitations include:

  • Mechanism of action not fully characterized
  • Limited and mixed clinical trial outcomes
  • No approved medical indication
  • Insufficient long-term human data
  • Ongoing investigation into neurogenic claims

Therefore, ALTO-100 (NSI-189) is best classified as a neuroplasticity-associated investigational research compound.


Important Notice

This product is supplied strictly for laboratory research, analytical use, and scientific investigation purposes only. It is not intended for human consumption, medical use, or therapeutic application.

ALTO-100 (NSI-189) is an investigational compound with limited and mixed clinical data, and all information provided reflects experimental research contexts rather than confirmed clinical outcomes.

Scientific References – ALTO-100 (NSI-189)

Ref # Title Journal Focus Link
1 Enhancement of Mitochondrial Function by NSI-189 Accompanies Reversal of Neuropathy and Memory Impairment Journal of Diabetes Research Mitochondrial activity, cognitive function in animal models https://pubmed.ncbi.nlm.nih.gov/31431552/
2 Amelioration of Central and Peripheral Neuropathy by NSI-189 in Mouse Models of Diabetes Diabetes (American Diabetes Association) Neuroprotection, nerve function, metabolic brain effects https://pubmed.ncbi.nlm.nih.gov/30459284/
3 A Phase 1B Randomized Controlled Study of NSI-189 Phosphate in Major Depressive Disorder Molecular Psychiatry Human clinical safety, mood effects, cognition outcomes https://pubmed.ncbi.nlm.nih.gov/27428075/
4 Hippocampal Neurogenesis and Structural Plasticity in Adult Brain Function Nature Reviews Neuroscience Neurogenesis mechanisms relevant to NSI-189 research https://pubmed.ncbi.nlm.nih.gov/18368048/
5 Adult Hippocampal Neurogenesis in Depression and Antidepressant Response Nature Medicine Brain plasticity, depression models, cognitive effects https://pubmed.ncbi.nlm.nih.gov/21297682/
6 Neurotrophic mechanisms in psychiatric drug development Nature Reviews Drug Discovery BDNF pathways, neuroplasticity drug frameworks https://pubmed.ncbi.nlm.nih.gov/25209910/