Boc-L-Isoleucine CASNO:13139-16-7

Boc-L-Isoleucine (CAS Number: 13139-16-7) is a protected amino acid derivative commonly used in peptide synthesis. It consists of L-isoleucine with a tert-butyloxycarbonyl (Boc) group protecting the alpha-amino group.

Chemical Properties

  • CAS Number: 13139-16-7
  • Molecular Formula: C₁₁H₂₁NO₄
  • Molecular Weight: 231.29 g/mol
  • Appearance: White to off-white crystalline powder
  • Melting Point: 66-73 °C
  • Solubility: Soluble in organic solvents (like methanol); sparingly soluble in water
  • Optical Rotation: [α]D20 = +4 ± 2 º (C=2 in Me OH)
  • Stability: Stable under normal temperatures and pressure

 

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Synonyms

  • N-(tert-Butoxycarbonyl)-L-isoleucine
  • Boc-L-Ile-OH
  • N-Boc-L-isoleucine
  • (2S,3S)-2-[(tert-butoxy) carbonyl amino]-3-methylpentanoic acid
  • Boc-Ile-OH Hemihydrate

Uses and Applications

Peptide Synthesis: Primary use as a building block in Boc solid-phase peptide synthesis (SPPS) and liquid-phase synthesis. The Boc group is easily removed under mild acidic conditions to reveal the free amino group for chain extension.

Pharmaceutical Research: CASNO: 13139-16-7, Used in the development of new drugs and protease inhibitors, particularly for creating complex active pharmaceutical ingredients (APIs).

Chiral Building Block: Employed as a chiral auxiliary or reagent in asymmetric synthesis to produce enantiomerically pure molecules.

Biotechnology: Used to modify proteins to improve their stability and activity.

Analytical Chemistry: Utilized as a standard or derivative in chromatographic methods to study amino acid metabolism.

Storage

  • It is generally recommended to store Boc-L-Isoleucine at 0-8°C (keep cold), although it is stable at room temperature in closed containers.

 

 

What is Boc-L-Isoleucine?

Boc-L-Isoleucine is a protected amino acid used in peptide synthesis, where the Boc group protects the amine group during reactions.

What is the CAS number of Boc-L-Isoleucine?

The CAS number is 13139-16-7, which uniquely identifies this compound.

What are the applications of Boc-L-Isoleucine?

It is widely used in peptide synthesis, pharmaceutical research, and the development of active pharmaceutical ingredients (APIs).

How should Boc-L-Isoleucine be stored?

It should be stored in a cool, dry place in tightly sealed containers away from moisture and direct sunlight.

Is Boc-L-Isoleucine suitable for research purposes?

Yes, it is commonly used in laboratory research and industrial R&D processes.

FAQs

What is Boc-L-Isoleucine?

Boc-L-Isoleucine is a protected amino acid used in peptide synthesis, where the Boc group protects the amine group during reactions.

What is the CAS number of Boc-L-Isoleucine?

The CAS number is 13139-16-7, which uniquely identifies this compound.

What are the applications of Boc-L-Isoleucine?

It is widely used in peptide synthesis, pharmaceutical research, and the development of active pharmaceutical ingredients (APIs).

How should Boc-L-Isoleucine be stored?

It should be stored in a cool, dry place in tightly sealed containers away from moisture and direct sunlight.

Is Boc-L-Isoleucine suitable for research purposes?

Yes, it is commonly used in laboratory research and industrial R&D processes.