Product Brief Introduction
Product name: Doxofylline; doxophylline
CAS: 69975-86-6
MF: C24H38O4
MW: 390.556
Product Specification
|
Item |
Specification |
|
Appearance |
This product is white needle-shaped crystals or crystalline powder |
|
Odor |
Odorless |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
Absorption Coefficient |
335~356 |
|
Appearance of Solution |
The solution should be clear and colorless; if turbid, it should not be more concentrated than the No. 1 turbidity standard solution; if colored, it should not be darker than the yellow Y1 standard colorimetric solution. |
|
Melting Point |
odorless |
|
PH |
5.0-7.0 |
|
Loss on Drying |
≤ 1.0% |
|
Residue on Ignition |
≤ 0.1% |
|
Bromide |
≤ 0.055% |
|
Related Substances |
DSCJ-Z2≤ 0.125% |
|
DSCJ-Z2≤ 0.125% |
|
|
Other Single impurity ≤ 0.1% |
|
|
Total impurities ≤ 0.4% |
|
|
Heavy Metals |
≤ 10ppm |
|
Residual Solvents
|
N,N-Dimethylformamide≤ 880ppm |
|
Ethylene glycol≤ 620ppm |
|
|
Methanol≤ 3000ppm |
|
|
Ethanol≤ 5000ppm |
|
|
Vinyl acetate≤ 200ppm |
|
|
Toluene ≤ 890ppm |
|
|
2-Chloroacetaldehyde Dimethyl Acetal |
≤ 1.8ppm |
|
Bacterial Endotoxins |
< 0.25EU/mg |
|
Total Plate Count |
≤ 1000cfu/g |
|
Yeasts&Molds |
≤ 100cfu/g |
|
E.Coli |
Negative/g |
|
Assay |
98.5%~102.0% |
