Items

Standards

Results

Appearance

White or almost white powder

Almost white powder

Solubility

slightly soluble in methanol

Corresponds

Melting point

163~168°C

164.0~165.5°C

Specific rotation

+45~48°

+46.7°

Identification

1) The IR absorption spectrum of the sample is concordant with that of Voglibose reference standard

2) HPLC

Corresponds
just watches
cheap watches sale

Acidity

9.4 ~10.4

9.8

Related Substances(HPLC)

Max. single impurity￡0.5%;

Total impurity:￡1.0%

Max. Single impurity: 0.15%

Total impurities: 0.18%

Water

≤0.5%

0.06%

Residue on ignition

≤0.2%

0.19%

Heavy metals

≤10ppm

Corresponds

Assay

(on dried basis)

≥99.0%

99.5%