Naproxen EP Impurity D CAS 116883-62-6
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 116883-62-6 |
| Molecular Formula | C14H13IO3 |
| Molecular Weight | 356.16 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Naproxen EP Impurity D (CAS 116883-62-6) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C14H13IO3. Molecular weight: 356.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C14H13IO3 |
| Molecular Weight | 356.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | I-containing |
Related Naproxen Standards
- Naproxen EP Impurity D (CAS 116883-61-5)
- Naproxen Impurity N2 (CAS 80336-62-5)
- Naproxen Etemesil (CAS 385800-16-8)
- Naproxen Impurity 43 (CAS CATO-C4X-170843)
- Naproxen Impurity 44 (CAS 90494-58-9)
- Naproxen Impurity 49 (CAS CATO-C4X-170849)
- Naproxen Impurity 33 (CAS CATO-C4X-170833)
- Naproxen Impurity 17 (CAS CATO-C4X-170817)
Recommended Standards
- Methyl 2-(4,6-dichloro-2-(4-nitrobenzyl)pyrimidin-5-yl)acetate (CAS 780763-92-0)
- Resmetirom Impurity 39 (CAS CATO-C4X-291239)
- Ethyl 5-(2,4-dichlorophenyl)-4,6-dioxo-1,3a,4,5,6,6a-hexahydropyrrolo[3,4-c]pyrazole-3-carboxylate (CAS 321522-05-8)
- Ornidazole Impurity 38 (CAS CATO-C4X-133138)
- Selexipag Impurity 52 (CAS CATO-C4X-196152)
- Bunaftide (CAS 32421-46-8)
- n-(2-(Cyclohex-1-en-1-yl)ethyl)-2-(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (CAS 869354-03-0)
- (E)-N'-((5-bromopyridin-3-yl)methylene)-4-methylbenzenesulfonohydrazide (CAS 2415435-97-9)
- Custom Semivolatile Mix 4 (CAS CATO-LCEM500796-ME)
- Ac-(5-31)Semaglutide (CAS CATO-C4X-2226279)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com