Molekula
4-Aminobutyric acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
4-Aminobutyric acid, commonly known as GABA, is a naturally occurring neurotransmitter and amino acid critical for nervous system function, often used in research, pharmaceuticals, and supplements for its calming and neuroprotective properties. It appears as a white crystalline solid, highly soluble in water. This chemical has the CAS number 56-12-2, a molecular formula of C4H9NO2, and a molecular weight of 103.12 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies 4-Aminobutyric acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white crystalline powder |
| Identification (IR) | Conforms to Reference |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 203 °C |
| pKa | pKa = 10.6 |
Source: PubChem CID 119 (Human Metabolome Database (HMDB), ChEMBL)
Identification
| Property | Value |
|---|---|
| SKU | 32215466 |
| CAS Number | 56-12-2 |
| IUPAC Name | 4-aminobutanoic acid |
| EC Number | 200-258-6 |
| Molecular Formula | C4H9NO2 |
| Molecular Weight | 103.12 |
| Exact Mass | 103.0633 |
| SMILES | C(CC(=O)O)CN |
| InChIKey | BTCSSZJGUNDROE-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H9NO2/c5-3-1-2-4(6)7/h1-3,5H2,(H,6,7) |
| PubChem CID | 119 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2922498000 |
| Tariff Code | 2922498590 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Aminalon
- GABA
- Gaballon
- Gamarex
- gamma-aminobutyric acid
- Gammalon
- Gammar
- Mielomade
- Piperidic acid
- Piperidinic acid
Frequently asked questions
What is 4-Aminobutyric acid (GABA) commonly used for?
4-Aminobutyric acid (GABA) is primarily used as a neurotransmitter supplement, in research for neurological studies, and as a precursor in pharmaceutical synthesis.
What is the chemical formula and molecular weight of 4-Aminobutyric acid?
The chemical formula is **C₄H₉NO₂**, and the molecular weight is **103.12 g/mol**.
How should 4-Aminobutyric acid be stored?
Store at **ambient temperature** in a cool, dry place, away from moisture and strong oxidizing agents.
What grades or purities of 4-Aminobutyric acid does Molekula supply?
Molekula supplies **pharmaceutical-grade (USP/EP/JP) and research-grade** 4-Aminobutyric acid, with purity levels up to **≥99%**.
Can Molekula supply 4-Aminobutyric acid in bulk quantities?
Yes, Molekula offers **bulk packaging** (5 kg to 1000+ kg) for 4-Aminobutyric acid, with flexible options based on customer requirements.
What documentation is provided with an order of 4-Aminobutyric acid?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.