1-(2-Ethyl-4-methyl-1,3-thiazol-5-yl)ethan-1-one CAS 1249043-91-1
| CAS No. | 1249043-91-1 |
| Molecular Formula | C8H11NOS |
| Molecular Weight | 169.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(2-Ethyl-4-methyl-1,3-thiazol-5-yl)ethan-1-one (CAS 1249043-91-1), molecular formula C8H11NOS and molecular weight 169.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(2-Ethyl-4-methyl-1,3-thiazol-5-yl)ethan-1-one (C8H11NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 169.24 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 1-(2-Ethyl-4-methyl-1,3-thiazol-5-yl)ethan-1-one 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 | C8H11NOS |
| Molecular Weight | 169.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(2-Methylpropyl)-1,3-thiazole-5-carbaldehyde (CAS 1248167-68-1)
- 1-(2-Cyclopropyl-1,3-thiazol-5-yl)ethan-1-ol (CAS 1249164-69-9)
- 2-(thiophen-3-yl)morpholine (CAS 1247392-06-8)
- 3-(Methanesulfinylmethyl)aniline (CAS 1249638-14-9)
- 5-cyclopropyl-1-methyl-1H-pyrazol-4-amine dihydrochloride (CAS 2059975-52-7)
- (2-(Cyclopropylmethyl)-2,4,5,7-tetrahydropyrano[3,4-c]pyrazol-7-yl)methanamine (CAS 1422067-64-8)
- 3-(3-(4-Methylpiperazin-1-yl)propyl)-3,4,7,12-tetrahydro-1H-[1,2,5]triazepino[1,2-b]phthalazine-1,5(2H)-dione (CAS 81215-81-8)
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