Customization: | Available |
---|---|
CAS No.: | 59-30-3 |
Formula: | C19h19n7o6 |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Test items
|
Specifications
|
Results
|
Test methods
|
Characters
|
The total combined yeasts/mould count
|
Complies
|
Visual method
|
Identification1
|
UV: The absorption spectrum exhibits maxima at 264nm,285nm,305nm and 460nm.
|
Complies
|
ChP 2015
|
Identification2
|
HPLC:The retention time of the major peak of the sample solution corresponds to that of the reference solution.
|
Complies
|
ChP 2015 monograph
|
Identification3
|
The IR spectra of the sample is similar with the reference spectra
|
Complies
|
ChP 2015 monograph
|
Loss on drying
|
W10.0%
|
9.4%
|
ChP 2015
|
Assay
|
98.5% -102.0%
|
100.0%
|
ChP 2015
|
Hydroxocobalamine
|
UV: A460nm/A352nmN0.90
|
0.957
|
ChP 2015
|
Related substances
|
The sum of each impurity peak area is not larger than 1.0% of the main area of the reference solution
|
1.0%
|
ChP 2015 monograph
|
Acetone
|
W0.5%
|
0.004%
|
In house/(GC)
|
The total aerobic microbial count
|
W1000 cfu/g
|
2.9x102cfu/g
|
ChP 2015
|
The total combined yeasts/mould count
|
W1000 cfu/g
|
10cfu/g
|