Ethyl 2-chloro-5-methylthiazole-4-carboxylate CAS 907545-27-1
| CAS No. | 907545-27-1 |
| Molecular Formula | C7H8ClNO2S |
| Molecular Weight | 205.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 2-chloro-5-methylthiazole-4-carboxylate (CAS 907545-27-1), molecular formula C7H8ClNO2S and molecular weight 205.66 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H8ClNO2S, Ethyl 2-chloro-5-methylthiazole-4-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 205.66 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 2-chloro-5-methylthiazole-4-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 | C7H8ClNO2S |
| Molecular Weight | 205.66 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Ethyl 2-chloro-4-methylthiazole-5-carboxylate (CAS 7238-62-2)
- Methyl 5-amino-3-chloro-4-methylthiophene-2-carboxylate (CAS 778611-10-2)
- Ethyl 2-amino-4-chlorothiophene-3-carboxylate (CAS 90312-14-4)
- N-(2-Chlorophenyl)methanesulfonamide (CAS 7022-20-0)
- Benzyl 3-(((S)-2-amino-N-ethylpropanamido)methyl)pyrrolidine-1-carboxylate (CAS 1354027-40-9)
- 2,7-Dihydroxynaphthalene-3,6-disulfonic acid disodium salt (CAS 7153-21-1)
- ethyl 2-chloropentanoate (CAS 118688-48-5)
- N-(3-(1H-Imidazol-1-yl)propyl)-N-(6-ethoxybenzo[d]thiazol-2-yl)thiophene-2-carboxamide hydrochloride (CAS 1215752-71-8)
- 4-acetamidonaphthalene-1-sulfonyl chloride (CAS 5690-20-0)
- 6-(cyclopropylmethylamino)nicotinaldehyde (CAS 1346808-07-8)
- (E)-N-[2-(3-Indolyl)ethyl]-3-(4-hydroxyphenyl)acrylamide (CAS 212707-60-3)
- 1-((4-Amino-2-methylpyrimidin-5-yl)methyl)-3-(2-chloroethyl)urea (CAS 42471-43-2)
- N4,N4,N4',N4'-Tetrakis(4-iodophenyl)-[1,1'-biphenyl]-4,4'-diamine (CAS 1322605-30-0)
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