China (Mainland) 
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product name: claritromicina expiry date: 5years cas no.: |
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items |
requirements |
results |
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appearance |
a white or almost white crystalline powder |
white crystalline powder |
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solubility |
practically insoluble in water,freely soluble in methylene chloride,soluble in acetone,slightly soluble in methanol,dehydrted alcohol and in acetonitrile.slightly soluble in phosphate buffer at ph values of 2 to 5. |
complies |
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identification ir |
conforms to clarithromycin rs |
complies |
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appearance of solution solution s |
not more opalescent than rs ii and not more intensely colored than rs y7 |
complies complies
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crystallinity
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meets the requirements |
complies |
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specific optical rotation |
between -94°and -102° |
-98° |
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ph
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between 8.0 and 10.0 |
8.7 |
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water
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not more than 2.0% |
0.37% |
function:
mainly used for caused by sensitive bacteria upper and lower respiratory tract, including tonsil inflammation, sore throat, deputy sinusitis, bronchitis, pneumonia, etc, skin, soft tissue infection, pus furuncle, erysipelas, folliculitis, wound infection and so on, curative effect and other large ring lactone class similar. the goods can also be used to chlamydia trachomatis or dissolved ureaplasma urealyticum reproduction caused by urinary tract infection, aids patients with atypical mycobacteria infection
broad-spectrum tetracycline group of antibiotics.have effect in gram-positive bacterium and negative bacteria, chlamydia and mycobacteria effective, almost can effectively suppress all respiratory pathogen. to stomach acid stability, oral absorption good, high blood drug concentration blood half-life long. its use were similar to erythromyc,effective in the urinary tract, respiratory tract, skin, ent.