1,2,3,5-Tetra-O-acetyl-b-D-ribofuranose

Standard

In House Standard

Item

Standard

Inspecition Data

Result

Assay

98.0%-102.0%

99.9%

Conforms

Description

White or white like crystilline powder

White crystilline powder

Conforms

Melting point

80-84℃

81.1-82.1℃

Conforms

Specific rotation

-15.5°to -13.5°

-15.2°

Conforms

Infra-red peak value

The infrared absorption spectra of this product are consistent with those of the control product

Conforms

Conforms

ultraviolet absorption

≤0.1

＜0.1

Conforms

Loss on Drying

≤0.5%

0.1

Conforms

Residue on Ignition

≤0.3%

＜0.1%

Conforms

Heavy Metal(Pb)

≤0.002%

＜0.002%

Conforms

Conclusion

According to in house standard, Result: Pass