Sell USP35 Probenecid CAS NO.57-66-9

molecular formula: c₁₃h₁₉no₄s
molecular weight: 285.36

standard: usp35
[appearance] white crystalline powder.
[packing]：25kg/drum

[valid period]24 months

[storage]preserved in an airtight container and avoid exposure to high temperature.

physical property: white crystalline power, odourless, slightly bitter in taste.

chemical property: soluble in acetone,slightly soluble in alcohol or chloroform,hardly soluble in water,soluble in dilute sodium hydroxide solution,dardly soluble in dilute acid.

application: mainly used for sensitive bacteria infection, for antigout drug.

key control item:

melting point :198℃-200℃

ph (acidity) : nmt 0.5 ml is required to produce a pink color confirmed

selenium : ≤0.003%

loss on drying :≤0.5%

residue on ignition :≤0.1%

heavy metals(pb) : ≤0.002%

any individual impurity:≤0.5%

total impurity:≤2.0%