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Substance Name: Leucine [USAN:INN]
RN: 61-90-5
UNII: GMW67QNF9C
InChIKey: ROHFNLRQFUQHCH-YFKPBYRVSA-N
Note
- An essential branched-chain amino acid important for hemoglobin formation.
Molecular Formula
- C6-H13-N-O2
Molecular Weight
- 131.174
- All
- Classifications
- Links to Resources
- Names & Synonyms
- Registry Numbers
- Structure Descriptors
- Toxicity
- Physical Properties
Classification Codes
- Amino Acid
- Mutation Data
- Reproductive Effect
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Names and Synonyms
Name of Substance
- 2-Amino-4-methylpentanoic acid (L)
- 2-Amino-4-methylvaleric acid (L)
- L-Leucine
- Leucine
- Leucine [USAN:INN]
MeSH Heading
- Leucine
Synonyms
- (S)-2-Amino-4-methylpentanoic acid
- (S)-2-Amino-4-methylvaleric acid
- (S)-Leucine
- 2-Amino-4-methylpentanoic acid, (S)-
- AI3-08899
- EC 200-522-0
- EINECS 200-522-0
- FEMA No. 3297
- HSDB 7799
- L-(-)-2-Amino-4-methylpentanoic acid
- L-alpha-Aminoisocaproic acid
- L-Leucine
- L-Norvaline, 4-methyl-
- Leu
- Leucin
- Leucin [German]
- Leucina
- Leucina [INN-Spanish]
- Leucina [Latin,Spanish]
- Leucine
- Leucine (VAN)
- Leucinum
- Leucinum [INN-Latin]
- NSC 46709
- Pentanoic acid, 2-amino-4-methyl-, (S)-
- UNII-GMW67QNF9C
- Valeric acid, 2-amino-4-methyl-, (S)-
Systematic Names
- L-Leucine
- Leucine
- Leucine (VAN)
Superlist Name
- Leucine, L-
Registry Numbers
CAS Registry Number
- 61-90-5
FDA UNII
- GMW67QNF9C
Other Registry Number
- 7005-03-0
System Generated Number
- 0000061905
Structure Descriptors
InChI
1S/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t5-/m0/s1InChIKey
ROHFNLRQFUQHCH-YFKPBYRVSA-NSmiles
C([C@@H](C(O)Toxicity
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| rabbit | LDLo | subcutaneous | 2620mg/kg (2620mg/kg) | Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 40, Pg. 313, 1898. | |
| rat | LD50 | intraperitoneal | 5379mg/kg (5379mg/kg) | LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Archives of Biochemistry and Biophysics. Vol. 58, Pg. 253, 1955. |
Physical Properties
| Physical Property | Value | Units | Temp (deg C) | Source |
|---|---|---|---|---|
| Melting Point | 293 | deg C | EXP | |
| pKa Dissociation Constant | 2.348 | (none) | 13 | EXP |
| log P (octanol-water) | -1.52E+00 | (none) | EXP | |
| Water Solubility | 2.15E+04 | mg/L | 25 | EXP |
| Vapor Pressure | 1.34E-08 | mm Hg | 25 | EST |
| Henry's Law Constant | 3.49E-09 | atm-m3/mole | 25 | EST |
| Atmospheric OH Rate Constant | 4.23E-11 | cm3/molecule-sec | 25 | EST |
Physical property data is provided to ChemIDplus by SRC, Inc.