2,5-Dichloro-N-methoxy-N-methylthiophene-3-carboxamide CAS 210097-99-7
| CAS No. | 210097-99-7 |
| Molecular Formula | C7H7Cl2NO2S |
| Molecular Weight | 240.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2,5-Dichloro-N-methoxy-N-methylthiophene-3-carboxamide 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.
2,5-Dichloro-N-methoxy-N-methylthiophene-3-carboxamide (CAS 210097-99-7) is a high-purity analytical reference standard with the molecular formula C7H7Cl2NO2S and a molecular weight of 240.11 g/mol.
Based on its molecular formula C7H7Cl2NO2S, 2,5-Dichloro-N-methoxy-N-methylthiophene-3-carboxamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.11 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C7H7Cl2NO2S |
| Molecular Weight | 240.11 g/mol |
| 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.) | 2017 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2,4-Dichloro-N-methylbenzenesulfonamide (CAS 565181-75-1)
- 2,5-Dichloro-n-methylbenzene-1-sulfonamide (CAS 6326-15-4)
- 2,6-Dichloro-3-methylbenzene-1-sulfonamide (CAS 872277-65-1)
- 2,6-Dichloro-4-(methylsulfonyl)aniline (CAS 80866-96-2)
- N-(1-phenylethyl)-1H-indole-3-carboxamide (CAS 18211-34-2)
- 2-(Thiophen-2-yl)quinoline (CAS 34243-33-9)
- 2-[(Ethylamino)methyl]-4-nitrophenol-d5 (CAS 1185157-36-1)
- TAT-cyclo-CLLFVY (CAS 1446322-66-2)
- 2-Chloro-4-(difluoromethyl)nicotinonitrile (CAS 1805032-46-5)
- 5-Fluoro-2-(pyrrolidin-3-yl)-1h-benzo[d]imidazole (CAS 1343613-90-0)
- N-(4-aminophenyl)-4-chloro-N-methylbenzamide (CAS 99642-27-0)
- tert-butyl N-(4-bromo-2-cyano-pyrrol-1-yl)carbamate (CAS 937047-04-6)
- (E)-2-(2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)vinyl)aniline (CAS 2661398-11-2)
- Peptide YY (13-36) (canine, mouse, porcine, rat) (CAS 86895-09-2)
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