| Appearance | White Powder |
| Purity / Analysis Method | 100.0 % (Titration by HClO4) |
| Free Naproxen | ≤ 1.0 % |
| Specific Rotation (c = 5, 1 N NaOH) | -15.3 to -17.0 ° |
| Melting Point | 259-262 °C |
| Loss On Drying | ≤ 1.0 % |
| Solubility | Soluble in Methanol, Chloroform; Slightly soluble in Ether |
Active Pharmaceutical Ingredients
Naproxen Sodium
(S)-6-Methoxy-α-methyl-2-naphthaleneacetic acid sodium salt
| Purity / Analysis Method | 98.0 – 102.0% (Titration by HClO4) |
| Molecular Formula / Molecular Weight | C14H13NaO3 = 252.24 |
| Physical State (20 deg.C) | Solid |
| CAS RN | 26159-34-2 |
| Unit | Price |
| 25 g | 2400 |
| 50 g | 3975 |
| 100 g | 5250 |
| Note | • Pharmaceutical Ingredients (for Research and Experimental Use) is provided as delivered and specified by the issuing Pharmacopoeia. |
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