Erdosteine ({2-oxo-2-[(2-oxotetrahydrothiophen-3-yl)amino]ethyl}sulfanyl)acetic acid CAS:84611-23-4
Product Name: | Erdosteine |
Synonyms: | [[2-oxo-2-[(tetrahydro-2-oxo-3-thienyl)amino]ethyl]thio]acetic acid; ((2-Oxo-2-((tetrahydro-2-oxo-3-thienyl)amino)ethyl)thio)acetic acid; (+/-)-((((Tetrahydro-2-oxo-3-thienyl)carbamoyl)methyl)thio)acetic acid; Acide ((2-oxo-3-tetrahydrothienylcarbamoyl)-methylthio)acetique; Acide ((2-oxo-3-tetrahydrothienylcarbamoyl)-methylthio)acetique [French]; DL-S-(2-(N-3-(2-Oxotetrahydrotheinyl)acetamido))thioglycolic acid; Erdosteinum; Acetic acid, ((2-oxo-2-((tetrahydro-2-oxo-3-thienyl)amino)ethyl)thio)-; ({2-oxo-2-[(2-oxotetrahydrothiophen-3-yl)amino]ethyl}sulfanyl)acetic acid |
CAS RN.: | 84611-23-4;105426-14-0 |
Molecular Weight: | 249.3072 |
Molecular Formula: | C8H11NO4S2 |
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 |
Complies |
||
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. |
|||
Heavy metals |
≤10 ppm |
<10ppm |
|
Water |
≤1.0% |
0.10% |
|
Sulphated ash |
≤0.5%, determined on 1.0 g. |
0.01% |
|
Related substances |
Unspecified impurities: for each impurity |
≤0.10% |
<0.10% |
Total Impurity |
≤0.5% |
0.18% |
|
Purity |
≥99.0% |
99.70% |
|
Assay |
99.0%~101.0% (anhydrous substance). |
99.80% |
|
Storage |
Preserve in well-closed, light-resistant and airtight containers. |
Complies |
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