Isobutyric Acid

Name: Isobutyric Acid
Brand: Vaqora Chemicals
SKU: VQ-013465

About Isobutyric Acid

Isobutyric Acid is a process intermediate or related compound of Gabapentin carrying the CAS registry number 79-31-2. The compound has the formula C4H8O2, corresponding to a molecular weight of 88.11 g/mol. Its systematic (IUPAC) name is 2-methylpropanoic acid. It is also known as 2-Methyl-propanoic Acid or 2-Propanecarboxylic acid.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is a process intermediate or related compound in the synthesis of Gabapentin, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Isobutyric Acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. Stock is available for quick dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Gabapentin

View every impurity, metabolite and intermediate we list for Gabapentin.

Gabapentin impurities

Specifications & identifiers

Chemical identifiers
Product name	Isobutyric Acid
Catalogue No.	VQ-013465
CAS Number	79-31-2
IUPAC name	2-methylpropanoic acid
Molecular formula	C₄H₈O₂
Molecular weight	88.11 g/mol
Exact mass	88.0524
Grade	Reference Standard
InChIKey	KQNPFQTWMSNSAP-UHFFFAOYSA-N
SMILES	CC(C)C(=O)O
PubChem CID	6590

Physical properties
Physical form	Solid
LogP (XLogP3)	0.8
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	2-Methyl-propanoic Acid, 2-Propanecarboxylic acid, Dimethylacetic acid, Isobutanoic acid, Isobutyrates, Isopropylformic acid, Iso-butyric acid, Propanoic acid, 2-methyl-, Cenex RP b2, alpha-Methylpropanoic acid, alpha-Methylpropionic acid, Acetic acid, dimethyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin

Precautionary statements: P264, P270, P280, P301 + P317, P302 + P352, P317, P321, P330, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 79-31-2

Synthesis

Iso-butyric acid, 99%

CAS: 79-31-2
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-019218

AR

Iso-butyric acid, GR 99%+

CAS: 79-31-2
Formula: C₄H₈O₂
MW: 88.11 g/mol

VQ-019219

Frequently asked questions

What is the CAS number of Isobutyric Acid?

The CAS Registry Number of Isobutyric Acid is 79-31-2. It is also known as 2-Methyl-propanoic Acid, 2-Propanecarboxylic acid, Dimethylacetic acid.

What is the molecular formula and molecular weight of Isobutyric Acid?

Isobutyric Acid has the molecular formula C4H8O2 and a molecular weight of 88.11 g/mol. Its IUPAC name is 2-methylpropanoic acid.

What is Isobutyric Acid used for?

Isobutyric Acid is supplied as a characterised reference material related to Gabapentin. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Isobutyric Acid can I order?

We supply Isobutyric Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Isobutyric Acid?

Yes. Every lot of Isobutyric Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Isobutyric Acid be shipped internationally?

Yes. Isobutyric Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.