Ethyl 4,5-dichlorothiazole-2-carboxylate CAS 79807-38-8
| CAS No. | 79807-38-8 |
| Molecular Formula | C6H5Cl2NO2S |
| Molecular Weight | 226.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4,5-dichlorothiazole-2-carboxylate (CAS 79807-38-8), a certified reference material (molecular formula C6H5Cl2NO2S, MW 226.08 g/mol) for analytical method development and quality control.
Based on its molecular formula C6H5Cl2NO2S, Ethyl 4,5-dichlorothiazole-2-carboxylate 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 226.08 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Ethyl 4,5-dichlorothiazole-2-carboxylate 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 | C6H5Cl2NO2S |
| Molecular Weight | 226.08 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.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 2,4-dichlorothiazole-5-carboxylate (CAS 125759-82-2)
- Ethyl 2,5-dichlorothiazole-4-carboxylate (CAS 135925-33-6)
- Methyl 2,5-dichlorothiazole-4-carboxylate (CAS 135925-32-5)
- Methyl 2,4-dichlorothiazole-5-carboxylate (CAS 861708-66-9)
- 2,5-Dichlorothiazole-4-carboxylic Acid (CAS 127426-30-6)
- 2,4-Dichlorothiazole-5-carboxylic acid (CAS 62019-56-1)
- 4,5-Dichlorothiazole-2-carboxylic acid (CAS 62019-55-0)
- 2,5-dichlorothiazole-4-carboxamide (CAS 127426-27-1)
Recommended Standards
- Ethyl 4,5-dichloroisothiazole-3-carboxylate (CAS 296243-98-6)
- N,N-Dichlorobenzenesulfonamide (CAS 473-29-0)
- Ethyl 3,4-dichloroisothiazole-5-carboxylate (CAS 69376-25-6)
- Hydrochlorothiazide Impurity 54 (CAS CATO-C4X-117754)
- Chlortalidone Sulfochloro Impurity (CAS 68592-12-1)
- (4-(Isopentylthio)phenyl)boronic acid (CAS 1217500-91-8)
- 4-(Acetylamino)benzenesulfonyl-d (CAS 1020718-84-6)
- 5α-ANDROSTAN-11α, 17β-DIOL-3-ONE (CAS 25788-56-1)
- 1-(5-Phenylthiophen-2-yl)ethanone (CAS 1665-41-4)
- 2-Phenylpropane-2-d1 (CAS 4019-54-9)
- N-Nitroso Ondansetron impurity 29 (CAS CATO-C4X-139429)
- (4-Chloro-3,5-dimethylthiophen-2-yl)(phenyl)methanol (CAS 1443326-84-8)
- 5,6-Dichloro-[2,3'-bipyridine]-3-carbonitrile (CAS 1774900-99-0)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com