China High Quality N-Acetyl-D-Glucosamine, Find details about China N-Acetyl-D-Glucosamine, N-Acetyl-D-Glucosamine Price from High Quality N-Acetyl-D-Glucosamine
Items | Standards | Results |
Appearance | White crystalline power | Positive |
Solubility | Readily soluble in water and insoluble in petrolum | Positive |
NMR and MS | Should comply | Complies |
Identification | IR and TLC | Positive |
Loss Weight On Dryness | Max. 1% | Complies |
M.P. | 201 ºC -204ºC | 201 ºC -202 ºC |
Specific rotation (c=2, in H2O) | +39° to +43° | +42.5° |
Assay (HPLC) | Min. 99% | 99.6% |