missing translation for 'onlineSavingsMsg'
Learn More

Thermo Scientific Chemicals L-Leucine, 99%

Catalog Number 11975331
Click to view available options
2.5 kg
Plastic Drum
This item is not returnable. View return policy
This item is not returnable. View return policy


This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Melting Point 286.0°C to 288.0°C
Ammonium 200ppm max.
CAS 61-90-5
pH 5.5 to 7.0 (1% aq. soln.)
Color White
Chloride 500ppm max.
Heavy Metals (as Pb) 20ppm max.
Assay Percent Range 99%
Molecular Formula C6H13NO2
Infrared Spectrum Authentic
Iron (Fe) 30ppm max.
MDL Number MFCD00002617
Loss on Drying 0.2 % max. (105°C, 3 hrs)
Other Amino Acids 0.5 % max. (TLC)
Packaging Plastic Drum
Synonym l-leucine, leucine, s-leucine, s-2-amino-4-methylpentanoic acid, h-leu-oh, 2s-2-amino-4-methylpentanoic acid, s-+-leucine, leucin, l-norvaline, 4-methyl, s-2-amino-4-methylvaleric acid
Solubility Information Solubility in water: 22.4g/L (20°C). Other solubilities: 10.9g/L acetic acid, slightly soluble in alcohol, insoluble in ether
IUPAC Name (2S)-2-amino-4-methylpentanoic acid
Specific Rotation + 15.40
Molecular Weight (g/mol) 131.18
PubChem CID 6106
Sulfate 300ppm max.
Formula Weight 131.17
Transmittance 95 % min. (c=10, 2 N HCl, 430nm) 1 cm cell
Percent Purity 99%
Sulfated Ash 0.4 % max.
Sublimation Point 145.0 °C
Specific Rotation Condition + 15.40 (20.00°C c=4,6N HCl)
Quantity 2.5 kg
Physical Form Crystalline Powder or Crystals
Chemical Name or Material L-Leucine
Show More Show Less

RUO – Research Use Only

missing translation for 'provideContentCorrection'

missing translation for 'productTitle'