N-Nitroso Aceclofenac EP Impurity A CAS 66505-80-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 66505-80-4 |
| Molecular Formula | C14H10Cl2N2O3 |
| Molecular Weight | 325.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
N-Nitroso Aceclofenac EP Impurity A (CAS 66505-80-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H10Cl2N2O3. Molecular weight: 325.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H10Cl2N2O3 |
| Molecular Weight | 325.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related N Standards
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Recommended Standards
- N1-(3,4-dichlorophenyl)-N3-(pyrazin-2-yl)malonamide (CAS 338392-32-8)
- N-(4-Ethylphenyl)-5-iodopyrimidin-4-amine (CAS 500228-16-0)
- 3-(4-Bromophenyl)indeno[1,2-c]pyrazol-4(1H)-one (CAS 100007-87-2)
- Phenoxymethylpenicillin EP Impurity F (2R,4S) (CAS 196701-54-9)
- Norethisterone Acetate EP Impurity C (CAS 1175129-26-6)
- Methyl 2-(4-(piperidin-4-yloxy)phenyl)acetate hydrochloride (CAS 811813-40-8)
- Methylene(2,4,6-tri-tert-butylphenyl)phosphane (CAS 84114-18-1)
- benzyl (3S,4S)-3-azido-4-methyl-pyrrolidine-1-carboxylate (CAS 1400580-23-5)
- 6-Chloro-2-(3,4-dimethoxyphenyl)quinoline-4-carboxylic acid (CAS 19021-16-0)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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