L(+)-Leucine 98.5-100.5% (dry basis), Ultrapure

Supplier: Thermo Fisher Scientific

Synonyms: L-Leucine(S)-(+)-LeucineLeucineLeuH-Leu-OH

J18280-A7 J18280-22 J18280-A1
101171-704EA 345.18 USD
101171-704 101171-706 101172-666
L(+)-Leucine 98.5-100.5% (dry basis), Ultrapure
L(+)-Leucine
Formula: C₆H₁₃NO₂
MW: 131.17 g/mol
Melting Pt: >300 °C
Density: 1.293
Storage Temperature: Ambient
MDL Number: MFCD00002617
CAS Number: 61-90-5
EINECS: 200-522-0
Merck Index: 14,5451

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Specification Test Results

Assay (Dry Basis) 98.5 - 101.5%
Identification (FTIR) Conforms
Residue on Ignition ≤0.4%
Loss on Drying ≤0.2%
Optical Rotation +14.9 - 17.3° (c=4 in 6 N HCl Dry Basis)
Individual Impurities (Thin Layer Chromatography) ≤0.5%
Total Impurities (Thin Layer Chromatography) ≤2.0%
Trace Metal, Heavy Metals (Pb) ≤15 ppm

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