Posted on : 3/12/2007 Category | Medical, Pharma, Surgical & Healthcare Products | Subject | Rhein 98% 30% 50% 90% | Description | test method:hplc.
herb source: rheum palmatum l,rhe root .
molecular formula: c15h8o6;
molecular weight: 284.21 .
physics properties:yellow needle cystal,melting point 321-322 oc,decompose on 330 oc.hardly soluble in the water,soluble in the alkali etc,slightly soluble in the ethanol,benzene,chloroform,aether etc.
| Company | NANJING QINGZE MEDICAL TECHNOLOGY DEVELOPMENT CO.,,
ANDEMEN STREET 48#,NANJING,JIANGSU,CHINA,
OTHER - 210012, CHINA
Phone 008602566967602
Fax 008602585328433
Website http://http://www.njqzmed.com | |
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