Molekula
4-Aminobutyric acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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 in 100 g packs, from £35.40 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 5 December 2026
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
Need a different quantity or pack?
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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 4-Aminobutyric acid as a white to off-white crystalline powder, with identity confirmed by IR conforming to reference. Please contact Molekula for current grade and purity details.
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.
Where can I buy 4-Aminobutyric acid?
Directly from Molekula, which lists 4-Aminobutyric acid in 100 g packs from £35.40 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.