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3-Methylpentanoic acid

CAS 105-43-1CH3CH2CH(CH3)CH2CO2HChemical Synthesis

3-Methylpentanoic acid (CAS: 105-43-1), with the chemical formula CH3CH2CH(CH3)CH2CO2H and a molecular weight of 116.16 g/mol, is a carboxylic acid used as a versatile building block in organic synthesis. This compound serves as a valuable intermediate in the creation of more complex molecules within the pharmaceutical and chemical industries. Its branched structure offers unique reactivity for various chemical transformations.

IUPAC
(±)-3-Methylvaleric acid
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3-Methylpentanoic acid (CH3CH2CH(CH3)CH2CO2H) — chemical structure, CAS 105-43-1; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksCarbonyl CompoundsCarboxylic AcidsChemical Synthesis
01 /Applications

Organic Synthesis Intermediate

3-Methylpentanoic acid is a key component in the synthesis of various organic compounds. Its carboxylic acid functionality allows for esterification, amidation, and reduction reactions, while the alkyl chain can be further modified.

Pharmaceutical Building Block

This compound serves as a starting material or intermediate in the development of active pharmaceutical ingredients (APIs). Its structure can be incorporated into drug candidates to influence pharmacokinetic or pharmacodynamic properties.

Research and Development

Used in academic and industrial research labs for exploring novel chemical pathways and developing new materials or molecules. Its availability as a fine chemical supports R&D efforts requiring specific branched carboxylic acids.

02 /Properties
Molecular weight116.16
Linear formulaCH3CH2CH(CH3)CH2CO2H
Assay≥97.0% (T)
Gradepurum
Boiling point196-198 °C(lit.)
Density0.93 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.416(lit.)n20/D 1.416
03 /Safety & handling
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point85 °C / 185 °F
Transport (UN / ADR)UN 3265 8 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)34
Safety statements (S)26-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
105-43-1
MDL number
MFCD00002729
PubChem substance
24885959
Beilstein registry
1720696
05 /Quality & supply

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.

06 /Frequently asked questions

What is 3-Methylpentanoic acid used for?

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3-Methylpentanoic acid is primarily used as a building block and intermediate in organic synthesis, particularly within the pharmaceutical and chemical industries for the development of complex molecules.

What are the CAS number and chemical formula for 3-Methylpentanoic acid?

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The CAS number for 3-Methylpentanoic acid is 105-43-1, and its chemical formula is CH3CH2CH(CH3)CH2CO2H.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 3-Methylpentanoic acid with a purity of ≥97.0% (T), designated as 'purum' grade. We do not represent this product as USP, BP, or EP grade.

How should 3-Methylpentanoic acid be handled safely?

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3-Methylpentanoic acid is classified as Dangerous (GHS05, Signal Word: Danger, Hazard Statement: H314), causing severe skin burns and eye damage. Appropriate personal protective equipment, including gloves, goggles, and full-face respirators, must be used. Handle in a well-ventilated area, and ensure immediate medical attention in case of exposure.

How is 3-Methylpentanoic acid shipped and exported?

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3-Methylpentanoic acid is shipped internationally as UN 3265, Class 8, Packing Group II. Tech Serve Solutions is an experienced exporter of fine chemicals, ensuring compliance with all shipping regulations.

How can I request a sample or quote for 3-Methylpentanoic acid?

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To request a sample or a quotation for 3-Methylpentanoic acid, please contact our sales department through the website or by direct enquiry, providing your specific requirements.

Need 3-Methylpentanoic acid in a specific grade or volume?