5234-68-4 Carboxin 5,6-dihydro-2-methyl-1,4-oxathiin-3-carboxanilide
Chemical Name: Carboxin
CAS No.:5234-68-4
Molecular Formula:C12H13NO2S
Molecular weight: 235.3
Appearance: White powder
Density: | 1.45 |
Melting Point: | 91.1-91.7ºC |
Boiling Point: | 420.6ºC at 760 mmHg |
Flash Point: | 100ºC |
Refractive Index: | 1.636 |
Stability: | Stable at normal temperatures and pressures. |
Storage Condition: | 0-6ºC |
Item | Standard | Test Results | |
Identification |
A.H-NMR:Comply with the structure |
Complies |
|
B.LC-MS:Comply with the structure |
Complies |
||
C.The IR spectrum of sample should be identical with that of reference standard; |
Complies |
||
D.HPLC-ESI-MS The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. |
Complies |
||
Heavy metals |
≤10 ppm |
<10ppm |
|
Water |
≤1.0% |
0.1% |
|
Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.009% |
|
Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
Total Impurity |
≤0.5% |
0.18% |
|
Purity |
≥99.0% |
99.7% |
|
Assay |
99.0%~101.0% (anhydrous substance). |
99.8% |
|
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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