Product Name: Streptozotocin
Price: 1 US$
Detail: CERTIFICATE OF QUALITY
Product: Streptozotocin
Zanosar
Grade: Biochemika Grade
Lot: OG1809A
Code: 177295
CAS-No: [18883-66-4]
Mol. Formula: C8H15N3O7
Mol. Weight: 265.22
Packing: 500mg/ Bottle

Item Specifications Results
Identification
--UV Absorption

-Ir Spectrum


HPLC


Element Analysis
The UV absorption of 0.001% solution in water exhibits a maxima at about 228nm
Ir spectron in potassium bromide dispersion of sample should be concordant with that of working standard spectrum
Retention time of the sample should be concordant to the retention time of working standard
Carbon, Nitrogen, Hydrogen
Complies

Complies


Complies


Complies
Assay(by HPLC) ≥98.5% 99.7%
Solubility Soluble in water Complies
Melting Point 121.0℃(DEC) 121.0℃(DEC)
[α]D(c=1,H2O) +39.0?+39.0? αIsomer% ≥75.0% 85.0%
Residue On Ignition ≤0.1% 0.02%
Moisture Content ≤1.0% 0.3%
Heavy Metals ≤20ppm <20ppm
Realated substance
Single impurity ≤0.5% 0.2%
Total impurity ≤1.0% 0.3%
Appearance Pale yellow crystalline powder Pale yellow crystalline powder