N-Acetyl-L-leucine china manufacture CAS NO.1188-21-2

Product Name: Ac-Leu-OH                              
Synonyms: N-Acetyl-L-leucine;(S)-N-Acetylleucine;(S)-2-Acetamido-4-methylpentanoic aci

CAS No:1188-21-2               

Molecular Formula: C8H15NO3
Molecular Weight: 173.21

Appearance:White powder

Specific Rotation [20/D]: -22.0 to -26.0° (C=4 in methanol)

State of Solution (Transmittance):Not less than 98.0%

Heavy Metals (Pb):Not more than 20ppm

Iron (Fe):Not more than 10ppm

Arsenic (As2O3):Not more than 2ppm

Chloride (Cl):Not more than 0.020%

Loss on Drying:Not more than 0.35%

Residue on Ignition:Not more than 0.2%

Assay:98.0% to 102.0%

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