3-(Chloromethyl)-5-(thiophen-2-yl)-1,2-oxazole CAS 863669-57-2
| CAS No. | 863669-57-2 |
| Molecular Formula | C8H6ClNOS |
| Molecular Weight | 199.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(Chloromethyl)-5-(thiophen-2-yl)-1,2-oxazole (C8H6ClNOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 199.66 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(Chloromethyl)-5-(thiophen-2-yl)-1,2-oxazole (CAS 863669-57-2), molecular formula C8H6ClNOS and molecular weight 199.66 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C8H6ClNOS |
| Molecular Weight | 199.66 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloromethyl Standards
- 4-(chloromethyl)-2-(furan-3-yl)-1,3-thiazole (CAS 1269151-74-7)
- 13386-49-7 4-(chloromethyl)-2-(2-furyl)-1,3-thiazole DTXSID70415440 (CAS 13386-49-7)
- 5-(chloromethyl)-3-(thiophen-2-yl)-1H-1,2,4-triazole (CAS 1394041-97-4)
- 4-(chloromethyl)-5-(thiophen-2-yl)-1,2-oxazole (CAS 1423031-02-0)
- 2-(Chloromethyl)-5-mercaptobenzo[d]oxazole (CAS 1804198-67-1)
- 2-(Chloromethyl)-7-mercaptobenzo[d]oxazole (CAS 1804411-96-8)
- 2-(Chloromethyl)-6-mercaptobenzo[d]oxazole (CAS 1806280-81-8)
- 2-(Chloromethyl)-4-mercaptobenzo[d]oxazole (CAS 1806486-43-0)
Recommended Standards
- 2-Methylmorpholine-4-sulfonyl chloride (CAS 627887-48-3)
- 3-Chloro-5-methoxybenzo[d]isothiazole (CAS 23889-41-0)
- 2-Chloro-N-methylthieno[3,2-d]pyrimidin-4-amine (CAS 35265-86-2)
- 4-((Chloromethyl)sulfonyl)morpholine (CAS 39542-27-3)
- 4-Pentylphenylacetic Acid (CAS 14377-21-0)
- Octadecanoic acid, hydroxy-, homopolymer, ester with 2,3-dihydroxypropyl 2-methyl-2-propenoate (CAS 69226-90-0)
- N-Cyclopropyl-N-(piperidin-4-yl)-6-(trifluoromethyl)pyrimidin-4-amine (CAS 2097937-39-6)
- 3-(butan-2-yl)-1,2-oxazole-5-carboxylic acid (CAS 910321-99-2)
- 8-fluoro-7-methyl-1,2,3,4-tetrahydroquinoline (CAS 1701931-03-4)
- (S)-2,2,2-Trifluoro-1-(1H-pyrrol-2-yl)ethan-1-amine (CAS 1213850-31-7)
- (+/-)-cis-2-Amino-2-methylcyclohexane-1-carboxylic acid hydrochloride (1R,2S/1S,2R)-2-amino-2-methylcyclohexanecarboxylic acid hydrochloride (1:1) 202921-88-8 (CAS 202921-88-8)
- methyl 5-fluoropyrazine-2-carboxylate (CAS 169335-35-7)
- 8-methylquinolin-5-ol hydrobromide (CAS 1803585-87-6)
- Fragment-[9-31]-Semaglutide (CAS CATO-C4X-2226181)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com