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L1002

Sigma-Aldrich

L-Leucine methyl ester hydrochloride

98%, for peptide synthesis

Synonym(s):

(S)-2-Amino-4-methylpentanoic acid methyl ester hydrochloride, L-Leu-OMe·HCl

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About This Item

Linear Formula:
(CH3)2CHCH2CH(NH2)COOCH3 · HCl
CAS Number:
7517-19-3
Molecular Weight:
181.66
Beilstein:
3595133
EC Number:
231-375-0
MDL number:
MFCD00012494
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24896269
NACRES:
NA.22

product name

L-Leucine methyl ester hydrochloride, 98%

Assay

98%

form

powder or crystals

optical activity

[α]22/D +13°, c = 2 in H2O

reaction suitability

reaction type: solution phase peptide synthesis

color

white

mp

151-153 °C (lit.)

application(s)

peptide synthesis

SMILES string

Cl[H].COC(=O)[C@@H](N)CC(C)C

InChI

1S/C7H15NO2.ClH/c1-5(2)4-6(8)7(9)10-3;/h5-6H,4,8H2,1-3H3;1H/t6-;/m0./s1

InChI key

DODCBMODXGJOKD-RGMNGODLSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Gautam K Gandhi et al.
ASN neuro, 2(2), e00030-e00030 (2010-04-17)
Sensory and cognitive impairments have been documented in diabetic humans and animals, but the pathophysiology of diabetes in the central nervous system is poorly understood. Because a high glucose level disrupts gap junctional communication in various cell types and astrocytes
Kenneth W Kross et al.
Acta oto-laryngologica, 127(5), 532-539 (2007-04-25)
Conclusion. Tumour-associated macrophages (TAMs) in head and neck squamous cell carcinomas (HNSCCs) secrete interleukin 6 (IL-6) and monocyte chemotactic protein (MCP-1) that can be down-regulated by L-leucine-methylester (LLME); however, there is no qualitative difference between function of TAMs and tissue
Stephanie M Krasnow et al.
Journal of neuroinflammation, 14(1), 133-133 (2017-07-03)
During acute infections and chronic illnesses, the pro-inflammatory cytokine interleukin-1β (IL-1β) acts within the brain to elicit metabolic derangements and sickness behaviors. It is unknown which cells in the brain are the proximal targets for IL-1β with respect to the
T Kiyomasu et al.
Immunology letters, 69(2), 239-245 (1999-09-11)
Recently, long-term preculture with IL-4 or IL-7 has been reported to induce IFN-gamma-producing ability in naive CD4+ T cells without stimulation via TCR. The mechanism of IFN-gamma-transcription in naive CD4+ T cells precultured with IL-4 was analyzed and compared with
P Parenti et al.
Insect biochemistry and molecular biology, 32(7), 719-727 (2002-06-05)
We have identified three methyl esters that have a potent stimulatory effect on the cotransport system responsible for the absorption of most essential amino acids in the silkworm Bombyx mori. L-Leucine methyl ester, the most powerful activator, determined a large
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