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(S)-(+)-2-Methylbutyric acid

CAS 1730-91-2C2H5CH(CH3)CO2HChemical Synthesis

(S)-(+)-2-Methylbutyric acid (CAS: 1730-91-2), a chiral carboxylic acid with the formula C2H5CH(CH3)CO2H and a molecular weight of 102.13 g/mol, is a valuable intermediate in asymmetric synthesis. Its defined stereochemistry makes it a crucial chiral building block for the development of complex organic molecules. This optically active compound is supplied by Tech Serve Solutions for various chemical synthesis applications.

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(S)-(+)-2-Methylbutyric acid (C2H5CH(CH3)CO2H) — chemical structure, CAS 1730-91-2; Chemistry, fine chemical supplied by Tech Serve Solutions
Asymmetric SynthesisCarboxylic AcidsChemical SynthesisChiral Building BlocksOrganic Building Blocks
01 /Applications

Chiral Building Block

Utilised as a fundamental chiral synthon in organic synthesis to introduce specific stereochemistry into target molecules. Its defined (S)-configuration is critical for enantioselective synthesis.

Asymmetric Synthesis

Serves as a key starting material in asymmetric synthesis, enabling the construction of enantiomerically pure compounds. This is vital in the pharmaceutical and fine chemical industries.

Organic Synthesis Intermediate

Acts as a versatile intermediate in the multi-step synthesis of complex organic structures. Its carboxylic acid functionality allows for a range of derivatizations.

02 /Properties
Molecular weight102.13
Linear formulaC2H5CH(CH3)CO2H
Assay98%
Boiling point78 °C/15 mmHg(lit.)
Density0.938 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.406(lit.)
Optical activity[α]20/D +19°, neat
Optical purityee: 98% (GLC)
Storage temperature2-8°C
ApplicationChiral starting material
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 point73 °C / 163.4 °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
1730-91-2
MDL number
MFCD00063166
PubChem substance
24854738
Beilstein registry
1720485
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 (S)-(+)-2-Methylbutyric acid used for?

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(S)-(+)-2-Methylbutyric acid is primarily used as a chiral building block and starting material in asymmetric synthesis for the creation of complex organic molecules.

What are the CAS number and chemical formula for (S)-(+)-2-Methylbutyric acid?

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The CAS number is 1730-91-2 and the chemical formula is C2H5CH(CH3)CO2H.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies (S)-(+)-2-Methylbutyric acid with an assay of 98%. This is a technical/research grade and is not represented as USP, BP, EP, or other pharmacopoeia grades.

What are the primary safety concerns when handling (S)-(+)-2-Methylbutyric acid?

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(S)-(+)-2-Methylbutyric acid is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, must be used. Handle in a well-ventilated area.

How is (S)-(+)-2-Methylbutyric acid typically packaged and shipped?

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Tech Serve Solutions packages and exports (S)-(+)-2-Methylbutyric acid in compliance with all relevant transport regulations, considering its hazardous nature (UN 3265, Class 8, PG II). Storage is recommended at 2-8°C.

How can I request a quote or sample for (S)-(+)-2-Methylbutyric acid?

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To request a quote or sample, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.

Need (S)-(+)-2-Methylbutyric acid in a specific grade or volume?