Description
Technical Parameters
Product Brief Introduction
Product name:D-Valine
CAS:640-68-6
MF:C5H11NO2
MW:117.146
Product Specification
|
Item |
Specification |
|
Appearance |
White or white crystalline powder |
|
Idetification |
IR/HPLC |
|
Specific rotation |
-26.6°- -29.0° |
|
Loss on drying |
≤0.2% |
|
Residue on ignition |
≤0.3% |
|
Related substances (HPLC) |
Iso-leucine ≤0.1% |
|
Alanine ≤0.1% |
|
|
Transmittance |
≥98.0% |
|
Assay (by tiration) |
≥98.5% |
|
Assay(HPLC) |
≥99.5% |
