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Merck
CN

58880

L-Isoleucine

≥99.0% (NT)

Synonym(s):

(2S,3S)-2-Amino-3-methylpentanoic acid

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About This Item

Linear Formula:
C2H5CH(CH3)CH(NH2)CO2H
CAS Number:
Molecular Weight:
131.17
EC Number:
200-798-2
UNSPSC Code:
12352209
MDL number:
Beilstein/REAXYS Number:
1721792
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Quality Level

assay

≥99.0% (NT)

optical activity

[α]20/D +41.0±1°, c = 5% in 6 M HCl

impurities

≤0.5% foreign amino acids

ign. residue

≤0.1% (as SO4)

loss

≤0.1% loss on drying, 110 °C

mp

288 °C (dec.) (lit.)

anion traces

chloride (Cl-): ≤100 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, NH4+: ≤100 mg/kg, Na: ≤50 mg/kg, Ni: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

SMILES string

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

InChI

1S/C6H13NO2/c1-3-4(2)5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9)/t4-,5-/m0/s1

InChI key

AGPKZVBTJJNPAG-WHFBIAKZSA-N



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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Regulatory Information

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