Metazachlor Impurity 3 CAS 2345-61-1
| CAS No. | 2345-61-1 |
| Molecular Formula | C3H3ClO2 |
| Molecular Weight | 106.51 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Metazachlor Impurity 3 (CAS 2345-61-1, C3H3ClO2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Metazachlor Impurity 3 (C3H3ClO2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Metazachlor Impurity 3 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C3H3ClO2 |
| Molecular Weight | 106.51 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Metazachlor Standards
- Metazachlor Impurity 2 (CAS 75972-11-1)
- Metazachlor-2-Hydroxy (CAS 125709-81-1)
- Metazachlor-oxalamic acid (OA) (CAS 1231244-60-2)
- Metazachlor (CAS 67129-08-2)
- Metazachlor-d6 (CAS 1246816-51-2)
- Metazachlor Impurity 1 (CAS 1242182-77-9)
- Metazachlor Metabolite BH 479-12 (CAS 1367578-41-3)
- Metazachlor-ethane sulfonic acid (ESA) (CAS 172960-62-2)
Recommended Standards
- Etoricoxib Impurity 49 Sodium Salt (CAS 59273-79-9)
- Etoricoxib Impurity 48 (CAS 50704-42-2)
- 3-Chloroacrylic acid (CAS 625-40-1)
- Vinyl Chloroformate (CAS 5130-24-5)
- Olanzapine Impurity 28 (CAS CATO-C4X-117828)
- Mirogabalin Impurity 74 (CAS 1644251-28-4)
- Oseltamivir EP Impurity A (CAS 1364932-19-3)
- (R)-1-(3,4-Diethoxyphenyl)ethan-1-amine (CAS 1212291-93-4)
- 5-Chloro-2,3-dimethyl-3H-imidazo[4,5-b]pyridine-6-carbaldehyde (CAS 920494-52-6)
- 2-(Methylsulfonyl)-1-(4-(trifluoromethyl)phenyl)ethan-1-one (CAS 386715-52-2)
- 5-(3-Fluoro-4-methoxyphenyl)isoxazole-3-carboxylic acid (CAS 912763-96-3)
- N-(2-(1,1-dioxidothietan-3-yl)ethyl)acetimidamide (CAS 1883089-76-6)
- 6-Isopropyl-2-(methylamino)nicotinaldehyde (CAS 1289000-39-0)
- Hexapeptide-10 (CAS 146439-94-3)
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