5-(2-Hydroxyethyl)-3,4-dimethylthiazol-3-ium iodide CAS 16311-69-6
| CAS No. | 16311-69-6 |
| Molecular Formula | C7H12NOS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(2-Hydroxyethyl)-3,4-dimethylthiazol-3-ium iodide 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.
5-(2-Hydroxyethyl)-3,4-dimethylthiazol-3-ium iodide (CAS 16311-69-6), molecular formula C7H12NOSI and molecular weight 285.14 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H12NOSI, 5-(2-Hydroxyethyl)-3,4-dimethylthiazol-3-ium iodide contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, iodine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 285.14 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.
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.
Physical & Chemical Properties
| Molecular Formula | C7H12NOS I |
| Molecular Weight | 285.14 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.) | 1961 |
| Halogen Content | I-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Hydroxyethyl Standards
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Recommended Standards
- 2-(Phenylthio)tetrahydrofuran (CAS 60623-60-1)
- 2-Fluorophenylacetylchloride (CAS 451-81-0)
- (R)-tert-Butyl (1-(2-aminoacetyl)pyrrolidin-3-yl)(methyl)carbamate (CAS 1353993-16-4)
- 2-[N-(9-Fluorenylmethoxycarbonyl)-N-decylamino]ethanal (CAS 239088-22-3)
- 4-Amino-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid (CAS 1257856-83-9)
- 6-Bromo-4-chloro-7-methoxyquinoline (CAS 476660-71-6)
- 3-Amino-4-(cyclopentylamino)benzoic acid (CAS 476634-96-5)
- 1-[(3-methylphenyl)methyl]-1h-pyrazol-5-amine hydrochloride (CAS 1170134-78-7)
- 2-(Difluoromethoxy)-4-hydroxybenzo[d]oxazole (CAS 1806281-79-7)
- (His32,Leu34)-Neuropeptide Y (32-36) (CAS 168916-68-5)
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