Etoricoxib Impurity 73 CAS 1937252-96-4
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1937252-96-4 |
| Molecular Formula | C6H5Cl2NO2 |
| Molecular Weight | 194.02 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Etoricoxib Impurity 73 (CAS 1937252-96-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C6H5Cl2NO2. Molecular weight: 194.02 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C6H5Cl2NO2 |
| Molecular Weight | 194.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Etoricoxib Standards
- Etoricoxib Impurity 37 (CAS 118362-28-0)
- Etoricoxib Impurity 3 (CAS 10297-73-1)
- Etoricoxib Impurity 4 (CAS 4052-30-6)
- Etoricoxib Impurity 31 (CAS 93629-02-8)
- Etoricoxib Impurity 36 (CAS 33963-58-5)
- Etoricoxib Impurity 87 (CAS 26524-93-6)
- Etoricoxib Impurity 78 (CAS 99055-63-7)
- EtoricoxiB impurity 16 (CAS 90536-66-6)
Recommended Standards
- Boronic acid, B-(5-hydroxybenzo[b]thien-2-yl)- (CAS 959636-67-0)
- 3-Bromo-1-methoxypyrrolidin-2-one (CAS 110027-11-7)
- 6-Amino-4,5-dichloro-2-methylpyridazin-3(2H)-one (CAS 25717-64-0)
- Plerixafor Impurity 13 (CAS 170161-27-0)
- Risperidone EP Impurity K (CAS 106266-09-5)
- Valaciclovir EP Impurity P(Valaciclovir Related Compound K) (CAS 1356019-51-6)
- Naratriptan USP Related Compound B (Oxalate salt) (CAS 121679-21-8)
- (2-(Isobutylthio)-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1256345-54-6)
- Tert-butyl 4-hydroxy-3-isopropylpiperidine-1-carboxylate (CAS 1698483-10-1)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
Why CATO?
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