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DL-Leucine

DL-Leucine Structure
CAS No.
328-39-2
Chemical Name:
DL-Leucine
Synonyms
DL-LEU;H-DL-LEU-OH;NSC 9252;DL-Leucin;ucine, dl;DL-Leu-OH;leucine,dl;DL-LEUCINE;Leucine, DL-;(RS)-Leucine
CBNumber:
CB4365169
Molecular Formula:
C6H13NO2
Molecular Weight:
131.17
MOL File:
328-39-2.mol
MSDS File:
SDS
Modify Date:
2024/5/27 15:57:40

DL-Leucine Properties

Melting point 293-296 °C (subl.) (lit.)
Boiling point 225.8±23.0 °C(Predicted)
alpha [α]D20 -3.0~+3.0゜ (c=4, HCl)
Density 1,293 g/cm3
refractive index 1.4630 (estimate)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility 1 M HCl: soluble
pka pKa: 9.744(25°C)
form Fine Crystalline Powder
color White
Odor wh. sm. cryst. or cryst. powd., odorless, sl. bitter taste
Water Solubility soluble
Merck 14,5451
BRN 636005
Stability Stable. Incompatible with strong oxidizing agents.
LogP 0.799 (est)
CAS DataBase Reference 328-39-2(CAS DataBase Reference)
NIST Chemistry Reference DL-Leucine(328-39-2)
EPA Substance Registry System Leucine (328-39-2)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P305+P351+P338
Hazard Codes  Xn
Safety Statements  22-24/25-36
WGK Germany  3
TSCA  Yes
HS Code  29224995
NFPA 704
1
0 0

DL-Leucine price More Price(3)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) L7875 DL-Leucine ≥99% (HPLC) 328-39-2 25G ₹5315.08 2022-06-14 Buy
Sigma-Aldrich(India) 8.14986 DL-Leucine for synthesis 328-39-2 50G ₹11210 2022-06-14 Buy
TCI Chemicals (India) L0028 DL-Leucine 328-39-2 25G ₹3100 2022-05-26 Buy
Product number Packaging Price Buy
L7875 25G ₹5315.08 Buy
8.14986 50G ₹11210 Buy
L0028 25G ₹3100 Buy

DL-Leucine Chemical Properties,Uses,Production

Chemical Properties

White crystalline powder

Uses

DL-Leucine is a racemic mixture of the D- and L- enantiomers of Leucine. DL-Leucine is used to form benzimidazole and pyrimidine hydroxy azo dyes with various transition metals. DL-Leucine may be used for the evaluation of chiral amino acid separation techniques.

DL-Leucine is used for the following applications:

  • Used as a standard for the measurement of free amino acids
  • Used in the process of tritiated leucine uptake
  • Used in solution preparation (various organics were used in different combinations and concentrations to model complex surface tension effects, DL-Leucine is one of them). It is chosen due to its presence in atmospheric aerosols and ice nucleation activity as well as for its surfactant character

Definition

ChEBI: A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group.

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(R,S)-2-Amino-4-methyl-pentanoicacid 2-Amino-4-methylvalericacid Leucine, DL- A-AMINO-ISO-CAPROIC ACID leucine,dl (+/-)-2-Amino-4-methylpentanoic acid~H-DL-Leu-OH DL-LEUCINE, 99+% DL-LEUCINE BIOSYNTH DL-LEUCINE FOR BIOCHEMISTRY (n)-2-amino-4-methylpentanoic acid ACETYL-DL-LEUCINE, N-(P) (RS)-Leucine Leucine (9CI) Leucine, DL- (8CI) NSC 9252 DL-Leucin Amino-4-methylvaleric acid ucine, dl DL-α-Aminoisocaproic acid rac-(2R*)-4-Methyl-2-aminovaleric acid DL-A-AMINO-G-METHYLVALERIC ACID DL-A-AMINOISOCAPROIC ACID DL-2-AMINO-4-METHYLPENTANOIC ACID DL-2-AMINO-4-METHYLVALERIANIC ACID DL-2-AMINO-4-METHYLVALERIC ACID DL-LEUCINE rac-(R*)-2-Amino-4-methylpentanoic acid DL-Leucine, Crystal ALPHA-AMINO-ISO-CAPROIC ACID (+/-)-AMINO-4-METHYLPENTANOIC ACID DL-Leucine, 99+% 25GR Leucin-Radikal DL-LEUCINE FOR SYNTHESIS 250 G DL-LEUCINE FOR SYNTHESIS 50 G DL-Leucine 0.1 DL-Leucine Vetec(TM) reagent grade, 99% DL-Leucine≥ 98.5% (Assay) DL-Leu-OH DL-LEUCINE, VETEC (2R)-2-ammonio-4-methylpentanoate DL-Leucine, 98%, for bio DL-Leucine> DL-2-Aminmo-4-methylvalerianic acid DL-Leucine USP/EP/BP dextro,laevo-leucine CAS328-39-2 DL-2-Amino-4-methylpentanoic acid H-DL-LEU-OH DL-LEU Glycerol Impurity 104 (±)-Leucine (DL-Leucine) 328-39-2 Amino Acid Derivatives Specialty Synthesis Leucine Peptide Synthesis Leucine [Leu, L] alpha-Amino Acids Amino Acids