Methyl 3-acetamido-4,5-dichlorothiophene-2-carboxylate CAS 632356-39-9
| CAS No. | 632356-39-9 |
| Molecular Formula | C8H7Cl2NO3S |
| Molecular Weight | 268.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies Methyl 3-acetamido-4,5-dichlorothiophene-2-carboxylate (CAS 632356-39-9), a certified reference material (molecular formula C8H7Cl2NO3S, MW 268.12 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H7Cl2NO3S, Methyl 3-acetamido-4,5-dichlorothiophene-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
CATO manufactures Methyl 3-acetamido-4,5-dichlorothiophene-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H7Cl2NO3S |
| Molecular Weight | 268.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-Acetamido-5-chlorobenzenesulfonyl chloride (CAS 1310550-35-6)
- 4-Acetamido-3-chlorobenzenesulfonyl chloride (CAS 16761-18-5)
- 4-acetamido-2-chlorobenzenesulfonyl chloride (CAS 1954-95-6)
- 4-Acetamido-6-nitroisophthalic acid (CAS 342045-62-9)
- Methyl 4-Acetamido-2-methoxy-5-nitrobenzoate (CAS 4093-41-8)
- Methyl 5-acetamido-2-methoxy-4-nitrobenzoate (CAS 79893-20-2)
- Ethyl 2-acetamido-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate (CAS 5919-29-9)
- 2-Acetamido-4-(thiophen-2-yl)thiophene-3-carboxylic acid (CAS 380640-18-6)
Recommended Standards
- 6-Phenyl-2-(pyridin-2-yl)-1,3,6,2-dioxazaborocane (CAS 882521-96-2)
- Ticagrelor Impurity 42 (CAS 145783-14-8)
- 6-Phenyl-2-(pyridin-2-yl)-1,3,6,2-dioxazaborocane (CAS 662138-96-7)
- 2-(2-Bromophenyl)thiazole-5-carbaldehyde (CAS 1206983-08-5)
- 1-(2-Bromoethyl)-1H-pyrrolo[2,3-b]pyridine (CAS 183208-58-4)
- 4-Amino-N-(2,6-dimethylphenyl)pentanamide hydrochloride (CAS 77470-96-3)
- 5-Iodo-N,N-dimethyl-1H-pyrazole-1-sulfonamide (CAS 917899-39-9)
- 2-Methoxy-6-methylpyridine (CAS 63071-03-4)
- (S)-2-Phenoxypropan-1-ol (CAS 87860-35-3)
- 2,5-Bis(4-fluorophenyl)-4-methylpyridine (CAS 1214370-54-3)
- 2-(3-Piperidinyl)ethyl 2-methoxyacetate hydrochloride (CAS 1220020-33-6)
- 2,6-Diethylbenzene-1-sulfonyl chloride (CAS 91920-30-8)
- 5-Ethyl-11-oxo-5H,5aH,6H,7H,8H,9H,11H-pyrido[2,1-b]quinazoline-3-carboxamide (CAS 1574545-84-8)
- Peptide Impurity 05 (CAS 2322924-83-2)
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