Xanthinol Niacinate/437-74-1 CAS NO.437-74-1

product name: xanthinol nicotinate

expiry date: 3 years

items

standard specifications

results

characteristics

white crystalline or crystalline powder;

odourless; tasteless; freely soluble in water

and glacial acetic acid,very slightly soluble in dehydrated alcohol and trichloromethane.

complies

melting point

180~184°c

180.2~181.3°c

identification

(1) reaction appearances positive

(2) reaction appearances positive

(3) maximum absorbance at the

wavelength of 267nm

(4) the infrared absorption spectrum

corresponds with the spectrum of

standard preparation

positive

positive

complies

complies

check

acidity:

clear and colour:

related substances:

loss on drying:

residue on ignition:

heavy metals:

microbial limit:

ph 5.5~6.5

should up to specification

the spots of impurity light then the main spots of standard preparation

≤0.5%

≤0.1%

≤10ppm

should up to specification

6.3

complies

complies

0.3%

0.02%

complies

complies

assay(on dry basis)

content c13h21n5o4·c6h5no2≥98.0%

99.2%

conclusion

the product complies with 2010 publication chinese pharmacopoola