USD $8.80-8.80 / Gram
USD $6.00-9.00 / Gram
USD $8.80-8.80 / Gram
USD $6.00-9.00 / Gram
USD $2.00-10.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $10.00-100.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
tests |
specifications |
results |
|
identification |
corresponds |
corresponds |
|
crystallinity |
meets the requirements |
meets the requirements |
|
ph |
9.0~11.0 |
10.02 |
|
specific optical rotation |
-45.0°~ -49.0° |
-46.0° |
|
limit of related substances |
azithromycin-n-oxide |
≤0.4% |
undetected |
3'-(n,n-didemethyl)-3'-n-formylazithromycin |
≤0.3% |
0.01% |
|
3'-(n,n-didemethyl)-3'-n-formylazithromycin(rotamer1) |
≤0.15% |
0.03% |
|
3'-(n,n-didemethyl)-3'-n-formylazithromycin(rotamer2) |
≤0.15% |
0.05% |
|
azaerythromycin a |
≤0.50% |
0.09% |
|
3'-de)dimethylamono)-3'-oxoazithromycin |
≤0.25% |
0.03% |
|
2-desethyl-2-propylazithromycin |
≤0.50% |
0.17% |
|
azithromycin b |
≤0.50% |
0.23% |
|
3'-n-demethyl-3'-n-[(4-metylphenyl)sulfonyl] azithromycin |
≤0.50% |
undetected |
|
individual unknown impurity |
≤0.20% |
0.08% |
|
total impurities |
≤2.0% |
0.92% |
|
heavy metals |
≤25ppm |
<25ppm |
|
water |
4.0~5.0% |
4.51% |
|
residue on ignition |
≤0.3% |
0.03% |
|
assay |
945~1030 ug/mg |
980 ug/mg |