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Product Description


Name         L-Isoleucine
Synonyms         (2S,3S)-2-Amino-3-methylpentanoic acid; Ile
Molecular Structure         L-Isoleucine, (2S,3S)-2-Amino-3-methylpentanoic acid, Ile, CAS #: 73-32-5
Molecular Formula         C6H13NO2
Molecular Weight         131.17
CAS Registry Number         73-32-5
EINECS         200-798-2

Valine (abbreviated as Val or V)[1] is an -amino acid with the chemical formula HO2CCH(NH2)CH(CH3)2. L-Valine is one of 20 proteogenic amino acids. Its codons are GUU, GUC, GUA, and GUG. This essential amino acid is classified as nonpolar. Along with leucine and isoleucine, valine is a branched-chain amino acid. It is named after the plant valerian. In sickle-cell disease, valine substitutes for the hydrophilic amino acid glutamic acid in hemoglobin. Because valine is hydrophobic, the hemoglobin does not fold correctly.

Product name


Test item

Speficication (FCCIV)

Melting point

168-170 C


168-170 C


41 (c=4, 6N HCl)

Water solubility

41.2 g/L (50 C)

pH of a 1 in 100 Solution.


Chromatographic Purity

To pass test

Loss on Drying


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