API Process Intermediates & Related Compounds

Isobutyric Acid

Name: Isobutyric Acid
Brand: Zemixal
SKU: ZX-012523

Reference StandardIn stock

Buy Isobutyric Acid (CAS 79-31-2) from Zemixal: C4H8O2, COA and SDS with every lot, worldwide shipping. Exported from India with full paperwork.

Pack sizes

CAS number79-31-2

FormulaC₄H₈O₂

Molar mass88.11 g/mol

Physical formSolid

InChIKeyKQNPFQTWMSNSAP-UHFFFAOYSA-N

IUPAC name2-methylpropanoic acid

About Isobutyric Acid

Researchers and plant chemists source Isobutyric Acid from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 79-31-2, formula C4H8O2 and molar mass 88.11 g/mol. It is handled as a solid.

Common uses in the lab and plant

API route development
Impurity fate & purge studies
Analytical method development

Storage and safety notes

Hazard communication follows GHS (Warning: H302 and H312). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg, 100 mg and 250 mg. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Gabapentin

See every impurity, metabolite and related compound we list for this API.

Gabapentin standards

Typical uses

API route development
Impurity fate & purge studies
Analytical method development

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Isobutyric Acid
Product name	Isobutyric Acid
Catalogue number	ZX-012523
CAS number	79-31-2
IUPAC name	2-methylpropanoic acid
Molecular formula	C₄H₈O₂
Molar mass	88.11 g/mol
Exact mass	88.0524
Grade	Reference Standard
Physical form	Solid
XLogP3	0.8
H-bond donors / acceptors	1 / 2
Topological polar surface area	37.3 Å²
InChIKey	KQNPFQTWMSNSAP-UHFFFAOYSA-N
SMILES	CC(C)C(=O)O
PubChem CID	6590
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-

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H312Harmful in contact with skin

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

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Isobutyric Acid
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request
250 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Isobutyric Acid

Which CAS number identifies Isobutyric Acid?

Isobutyric Acid is registered under CAS 79-31-2. You may also see it listed as 2-Methyl-propanoic Acid, 2-Propanecarboxylic acid, Dimethylacetic acid. Our catalogue number for this item is ZX-012523.

What are the formula and molar mass of Isobutyric Acid?

For Isobutyric Acid, its formula is C4H8O2 and its molar mass is 88.11 g/mol. The systematic (IUPAC) name is 2-methylpropanoic acid. InChIKey KQNPFQTWMSNSAP-UHFFFAOYSA-N lets you match it in any structure database.

How is Isobutyric Acid used in pharmaceutical QC?

Isobutyric Acid is a characterised reference material linked to Gabapentin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Isobutyric Acid?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Isobutyric Acid?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Isobutyric Acid to my country?

Yes. Because Isobutyric Acid is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

Other grades with CAS 79-31-2

Iso-butyric acid, 99%

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

ZX-018276

Iso-butyric acid, GR 99%+

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

ZX-018277

More Gabapentin standards

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Formula: C₁₉H₃₂N₂O₅
MW: 368.5 g/mol

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Gabapentin Impurity 50

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Formula: C₂₃H₃₃NO₆
MW: 419.5 g/mol

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Gabapentin Impurity 49 (Hydrochloride)

CAS: 649747-95-5
Formula: C₁₆H₂₄ClNO₂
MW: 297.82 g/mol

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