Customization: | Available |
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Powder: | Yes |
Customized: | Customized |
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Description of Diclofenac Sodium
Diclofenac Sodium is the salt form of diclofenac, an active metabolite of the NSAID aceclofenac (sc-217557). Hydrolysis of aceclofenac, an inhibitor of interleukin-1B-induced prostaglandin E2 production with no inhibitory activity against Cox (cyclooxygenase), generates diclofenac, an inhibitor of both Cox-1 and Cox-2. Oxidation of diclofenac produces the metabolite 4'-hydroxy diclofenac (sc-202423) which demonstrates specific inhibition of Cox-2. Inhibition of Cox by diclofenac and 4'-hydroxy diclofenac suppresses prostaglandin E2 synthesis, producing antiinflammatory and analgesic effects. Diclofenac is also shown to stabilize the native tetrameric conformation of transthyretin (TTR) fibrils, preventing the formation of insoluble
amyloidogenic TTR deposits. Diclofenac Sodium is a substrate of CYP2C9.
Item |
Standard |
Test Result |
Characteristic |
Pure white crystalline powder, slightly hygroscopic |
Conforms |
Solubility |
Sparingly soluble in water, freely soluble in |
Comforms |
metl, ethanol (96%); slightly soluble in e; |
||
practically insoluble in ether |
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Identify |
(A) IR-Spectrum |
(A)conforms |
(B) Reaction of sodium salt |
(B)Positive |
|
PH |
6.5~7.5 |
7.13 |
Appearance of solution |
Clear |
Conforms |
Absorption of sodium salt≤0.05 |
0.015 |
|
Related substances |
Single impurity ≤0.2% |
Conforms |
Total impurity ≤0.5% |
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Heavy metal |
≤10ppm |
Conforms |