34580-14-8 Ketotifen fumarate Alaway
Name | Ketotifen fumarate | |
Synonyms | 4-(1-Methyl-4-piperidylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-10(9H)-one hydrogen fumarate | |
Molecular Formula | C19H19NOS.C4H4O4;C23H23NO5S | |
Molecular Weight | 425.50 | |
CAS Registry Number | 34580-14-8 | |
EINECS | 252-100-0 |
ITEM | SPECIFICATION | ||||
Characters: | White to brownish-yellow,fine,crystalline powder. | ||||
Identification: | TLC | ||||
IR spectrum | |||||
Solubility: | Sparingly soluble in water,slightly soluble in methanol,very slightly soluble in acetonifrile | ||||
Clarity and colour of solution: | Clear and not more than Y4,BY4,B4 | ||||
Loss on drying: | Not more than 0.5% | ||||
Sulphated ash: | Not more than 0.1% | ||||
Related substances(HPLC) | |||||
Impurity A: | Not more than 0.2% | ||||
Impurity G: | Not more than 0.2% | ||||
Single unknown impurity: | Not more than 0.10% | ||||
Total impurities: | Not more than 0.5% | ||||
Residual solvents: |
Acetone ≤5000PPM Methanol ≤500PPM |
||||
Assay (potentiometic titration) Calculated on the dried basis | Between 98.5% and 101.0% |
CAS NO:4337-33-1
CAS NO:17084-13-8
CAS NO:17084-13-8
CAS NO:99-94-5
CAS NO:354-38-1
CAS NO:1493-13-6
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View