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Home/Compounds/Food Additive/L-leucine zwitterion
C6H13NO2
131.17 g/mol
Food Additive

L-leucine

CAS61-90-5EC200-522-0
Category
Food Additive
Compound Class
Natural Product
Primary Use
nutritional supplement and flavoring agent

L-leucine is an essential amino acid required for protein biosynthesis. It cannot be synthesized by the human body and must be obtained from the diet, where it also serves as a nutritional supplement and flavoring agent.

nutritional supplementflavoring agent

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

Phenylalanine

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nutritional supplement and flavoring agent

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L-isoleucine

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nutritional supplement and flavoring agent

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L-serine zwitterion

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nutritional supplement and flavoring agent

ApplicationSame Use

L-tyrosine

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nutritional supplement and flavoring agent

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Sequestrant, emulsifier, and stabilizer

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Dipotassium succinate trihydrate

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food additive and buffering agent

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L(+)-Monosodium glutamate monohydrate

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flavor enhancer

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Sodium acetate trihydrate

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buffering agent and food acidulant

Identifiers
IUPAC Name

(2S)-2-amino-4-methylpentanoic acid

InChIKey

ROHFNLRQFUQHCH-YFKPBYRVSA-N

SMILES

CC(C)C[C@@H](C(=O)O)N

Synonyms (93)
  • E641
  • L-2700
  • H-Leu-OH USP grade
  • L-Leucine, USP
  • L-Leucine, United States Pharmacopeia (USP)
  • L-Leucine, from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture, 98.5-101.0%
  • Leucina [INN-Spanish]
  • Leucine (USP)
  • Leucine, European Pharmacopoeia (EP)
  • Leucinum [INN-Latin]
  • (2S)-alpha-leucine
  • (3H)Leucine
  • (S)-2-Amino-4-methylvalerate
  • (S)-Leucine
  • 1f2o
  • 1lan
  • 1usk
  • 2-Aminoisobutylacetic acid
  • 2-amino-4-methylvaleric acid
  • 3h-l-leucine
  • 4-methyl-L-Norvaline
  • 4-methyl-l-norvalin
  • H-Leu
  • H-Leu-2-Chlorotrityl Resin
  • H-Leu-OH
  • L-Isomer Leucine
  • L-Leu
  • L-Leu-OH
  • L-Leucine (JP18)
  • L-Leucine (Standard)
  • L-Leucine 7413
  • L-Leucine High
  • L-Leucine High 7414
  • L-Leucine, AJI92 grade
  • L-Leucine, Non-animal origin
  • L-Leucine, SAJ special grade
  • L-Leucine, Vetec(TM)
  • L-Leucine-13C6?
  • L-Leuzin
  • L-Norvaline, 4-methyl-
  • L-a-Aminoisocaproate
  • L-a-Aminoisocaproic acid
  • L-alpha-Aminoisocaproate
  • L-alpha-Aminoisocaproic acid
  • L-leucin
  • L-leucine
  • LEUCINE [MART.]
  • LEUCINE, L-
  • LeuOH
  • Leucin
  • Leucin [German]
  • Leucina
  • Leucina [Latin,Spanish]
  • Leucine (H-3)
  • Leucine (L-Leucine)
  • Leucine (VAN)
  • Leucine CRS
  • Leucinum
  • Lysine Impurity 14
  • Norvaline, 4-methyl-, (L)-
  • VALINE IMPURITY C
  • alpha-Aminoisocaproic acid
  • iso-C4H9CH(NH2)COOH
  • leu
  • leucine