2-(Chloromethyl)-5-methyl-1,3-thiazole CAS 921145-23-5
| CAS No. | 921145-23-5 |
| Molecular Formula | C5H6ClNS |
| Molecular Weight | 147.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 147.63 g/mol gives 2-(Chloromethyl)-5-methyl-1,3-thiazole distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(Chloromethyl)-5-methyl-1,3-thiazole (CAS 921145-23-5), molecular formula C5H6ClNS and molecular weight 147.63 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrile group, sulfur-containing functionality, chlorine substitution, 2-(Chloromethyl)-5-methyl-1,3-thiazole is typically white to pale yellow liquid. Its solid-state physicochemical attributes — including a molecular weight of 147.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 2-(Chloromethyl)-5-methyl-1,3-thiazole 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 | C5H6ClNS |
| Molecular Weight | 147.63 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 5-Chloromethyl-4-methyl-1,3-thiazole (CAS 10014-52-5)
- 3-(Chloromethyl)-5-methylisothiazole (CAS 1314914-56-1)
- 4-(Chloromethyl)-5-methylthiazole (CAS 141305-54-6)
- 50398-72-6 2-(chloromethyl)-4-methyl-1,3-thiazole DTXSID80460784 (CAS 50398-72-6)
- 4-(chloromethyl)-3-methylpyridine (CAS 112739-36-3)
- 3-(chloromethyl)-4-methylpyridine (CAS 45658-41-1)
- 3-Chloromethyl-1-methylpiperidine (CAS 52694-50-5)
- 4-(Chloromethyl)-1-methylpiperidine (CAS 52694-51-6)
Recommended Standards
- 2-(Aminomethyl)-5-chlorothiophene (CAS 214759-22-5)
- 2-Chloro-4,5-dimethylthiazole (CAS 56355-41-0)
- 2-(1-chloroethyl)thiazole (CAS 40982-31-8)
- 2-Chloro-4-ethylthiazole (CAS 98025-12-8)
- Methyl 2-(5,6-dihydro-1,4-dioxine-2-carboxamido)-5,5,7,7-tetramethyl-4,5,6,7-tetrahydrothieno[2,3-c]pyridine-3-carboxylate (CAS 864860-29-7)
- (3-(Aminomethyl)-1-methyl-1H-pyrazol-4-yl)methanol (CAS 1502233-81-9)
- Dutasteride Impurity 20 (CAS 3822-20-6)
- Alogliptin Related Compound 87 (CAS 1246610-71-8)
- Glycyroside (CAS 125310-04-5)
- 1,3,5-Tris(5-chloropyridin-3-yl)benzene (CAS 2095298-29-4)
- Ethyl 7-methyl-2-((4-methylbenzyl)thio)-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1306738-68-0)
- 4-Ethoxy-3-methoxyphenol (CAS 65383-58-6)
- 5(6)-ROX NHS Ester (CAS 114646-32-9)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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