2-Amino-4-methylpentanoic acid

Modify Date: 2026-07-02 12:04:14

2-Amino-4-methylpentanoic acid Structure
2-Amino-4-methylpentanoic acid structure
Common Name 2-Amino-4-methylpentanoic acid
CAS Number 328-39-2 Molecular Weight 131.173
Density 1.0±0.1 g/cm3 Boiling Point 225.8±23.0 °C at 760 mmHg
Molecular Formula C6H13NO2 Melting Point 293-296ºC
MSDS Chinese USA Flash Point 90.3±22.6 °C

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name leucine
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.0±0.1 g/cm3
Boiling Point 225.8±23.0 °C at 760 mmHg
Melting Point 293-296ºC
Molecular Formula C6H13NO2
Molecular Weight 131.173
Flash Point 90.3±22.6 °C
Exact Mass 131.094635
PSA 63.32000
LogP 0.73
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.463
InChIKey ROHFNLRQFUQHCH-UHFFFAOYSA-N
SMILES CC(C)CC(N)C(=O)O
Storage condition Store at RT.
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility soluble

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 29224995

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2922499990
Summary HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

 Articles237

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Activation of Tomato Bushy Stunt Virus RNA-Dependent RNA Polymerase by Cellular Heat Shock Protein 70 Is Enhanced by Phospholipids In Vitro.

J. Virol. 89(10) , 5714-23, (2015)

Similar to other positive-strand RNA viruses, tombusviruses are replicated by the membrane-bound viral replicase complex (VRC). The VRC consists of the p92 virus-coded RNA-dependent RNA polymerase (Rd...

Comparison of Mannose, Ethylene Glycol, and Methoxy-Terminated Diluents on Specificity and Selectivity of Electrochemical Peptide-Based Sensors.

Anal. Chem. 87 , 6966-73, (2015)

We report the synthesis and application of three new antifouling diluents for the fabrication of an E-PB HIV sensor. Among the three thiolated antifouling diluents used in this study, the methoxy-term...

Improved characterization of EV preparations based on protein to lipid ratio and lipid properties.

PLoS ONE 10(3) , e0121184, (2015)

In recent years the study of extracellular vesicles has gathered much scientific and clinical interest. As the field is expanding, it is becoming clear that better methods for characterization and qua...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

α-Aminoisocaproic acid
(RS)-Leucine
(.+-.)-Leucine
DL-Leucin
α-Amino-γ-methylvaleric acid
MFCD00063087
Leucine
(±)-Leucine
2-Amino-4-methylpentanoic acid
Leucine,DL
H-DL-LEU-OH
DL-2-Amino-4-methylpentanoicacid
(±)-2-Amino-4-methylpentanoic acid
QVYZ1Y1&1 &&DL or (RS)- Form
DL-2-Amino-4-methylpentanoic acid
DL-LEU
DL-LEUCINE
ucine,dl
EINECS 206-328-2
2-Amino-4-methylvaleric acid
DL-2-Amino-4-methyl pentanoicacid

 2-Amino-4-methylpentanoic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the SMILES notation of leucine?
A: SMILES notation of leucine is CC(C)CC(N)C(=O)O.
Q: What is the InChIKey of leucine?
A: InChIKey of leucine is ROHFNLRQFUQHCH-UHFFFAOYSA-N.
Q: What is the English name of leucine?
A: The English name of leucine is leucine.
Q: What English synonyms does leucine have?
A: English synonyms of leucine: α-Aminoisocaproic acid, (RS)-Leucine, (.+-.)-Leucine, DL-Leucin, α-Amino-γ-methylvaleric acid, MFCD00063087, Leucine, (±)-Leucine, 2-Amino-4-methylpentanoic acid, Leucine,DL, H-DL-LEU-OH, DL-2-Amino-4-methylpentanoicacid, (±)-2-Amino-4-methylpentanoic acid, QVYZ1Y1&1 &&DL or (RS)- Form, DL-2-Amino-4-methylpentanoic acid, DL-LEU, DL-LEUCINE, ucine,dl, EINECS 206-328-2, 2-Amino-4-methylvaleric acid, DL-2-Amino-4-methyl pentanoicacid.
Q: What is the CAS number of leucine?
A: CAS number of leucine is 328-39-2.
Q: What is the molecular weight of leucine?
A: Molecular weight of leucine is 131.173.
Q: What is the LogP of leucine?
A: LogP of leucine is 0.73.
Q: What is the safety information for leucine?
A: Safety information for leucine: S24/25.
Q: What are the upstream materials of leucine?
A: Related upstream materials(CAS) of leucine: 816-66-0;13139-15-6;121-44-8;873963-42-9;151962-48-0;61-90-5;328-38-1;7801-71-0;37944-29-9.
Q: What is the melting point of leucine?
A: Melting point of leucine is 293-296ºC.

 2-Amino-4-methylpentanoic acidfactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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