L-Homocysteic acid
L-Homocysteic acid (CAS: 14857-77-3), with the empirical formula C4H9NO5S and a molecular weight of 183.18 g/mol, is a non-proteinogenic amino acid. It acts as a potent endogenous agonist for ionotropic glutamate receptors, particularly NMDA receptors, in the central nervous system. This compound is a valuable tool in neuroscience research for studying excitatory neurotransmission and neuronal signaling pathways.
- IUPAC
- L-2-Amino-4-sulfobutyric acid
- Synonyms
- L-2-Amino-4-sulfobutyric acid

Neuroscience Research
L-Homocysteic acid is extensively used in neuroscience to investigate the function and modulation of excitatory amino acid receptors, such as NMDA and AMPA receptors. Its agonistic properties aid in understanding synaptic transmission and excitotoxicity.
Cell Signaling Studies
This molecule serves as a key probe in cell signaling research, particularly concerning glutamatergic pathways. It helps researchers elucidate the downstream effects of receptor activation on cellular processes.
Ion Channel Modulation
As a modulator of ionotropic glutamate receptors, L-Homocysteic acid is employed to study the dynamics and pharmacology of ligand-gated ion channels, contributing to our understanding of neuronal excitability.
| Molecular weight | 183.18 |
|---|---|
| Empirical formula | C4H9NO5S |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is L-Homocysteic acid used for?
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L-Homocysteic acid is primarily used in neuroscience research to study excitatory neurotransmission, glutamate receptor function, and cell signaling pathways. It acts as an agonist for ionotropic glutamate receptors.
What are the CAS number and formula for L-Homocysteic acid?
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The CAS number for L-Homocysteic acid is 14857-77-3, and its empirical formula is C4H9NO5S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies L-Homocysteic acid typically as a research or technical grade chemical. The specific assay and purity are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, EP, or pharmacopoeia grade unless explicitly stated in the specifications.
How should L-Homocysteic acid be handled safely?
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Handle L-Homocysteic acid with appropriate personal protective equipment, including eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter is recommended for respiratory protection. Refer to the Safety Data Sheet (SDS) for detailed handling and hazard information.
Is L-Homocysteic acid a controlled substance?
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The provided data does not indicate that L-Homocysteic acid is a controlled substance. Please consult relevant local regulations for confirmation.
How is L-Homocysteic acid packed and shipped?
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L-Homocysteic acid is carefully packed to ensure stability during transit and is exported globally by Tech Serve Solutions. Specific packaging details can be provided upon request.
How can I request a quote or sample for L-Homocysteic acid?
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To request a quote or a sample of L-Homocysteic acid, please contact our sales team through the website or via the provided contact details.
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