2-Chloro-5-methyloxazole hydrochloride CAS 2109286-03-3
| CAS No. | 2109286-03-3 |
| Molecular Formula | C4H4ClNO |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-Chloro-5-methyloxazole hydrochloride (C4H4ClNOHCl) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 153.99 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.
CATO supplies 2-Chloro-5-methyloxazole hydrochloride (CAS 2109286-03-3), a certified reference material (molecular formula C4H4ClNOHCl, MW 153.99 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Chloro-5-methyloxazole hydrochloride 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 | C4H4ClNO HCl |
| Molecular Weight | 153.99 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 | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 2-(4,5-Dihydro-1H-imidazol-2-yl)pyridine (CAS 7471-05-8)
- 4-chloro-N-(pyridin-3-ylmethylidene)benzene-1-sulfonamide (CAS 137505-14-7)
- 2-(((Tetrahydro-2H-pyran-4-yl)methyl)amino)butan-1-ol (CAS 1281361-33-8)
- tert-Butyl 3-(aminomethyl)-2-oxa-7-azaspiro[4.4]nonane-7-carboxylate (CAS 1268520-24-6)
- 4-(Dimethylamino)-2-(2-methoxyphenyl)pyrimidine-5-carbaldehyde (CAS 823796-61-8)
- Dotinurad Impurity 247 (CAS CATO-C4X-2494247)
- 1-Benzyl-1,2-dihydropyridazine-3,6-dione (CAS 1708-46-9)
- N-isobutyl-N-isonicotinoylglycine (CAS 1405032-35-0)
- 5-Ethyl-3-(thiophen-3-yl)-1H-pyrazol-4-amine (CAS 1257877-25-0)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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