≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C Ships Wet ice Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 9 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
2-Acetyl-2-thiazoline is one of the key sulfur-containing flavor compounds of cooked rice, jasmice rice, cooked and roasted beef.
| Pubchem Sid | 488188425 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188425 |
| Canonical Smiles | CC(=O)C1=NCCS1 |
| IUPAC Name | 1-(4,5-dihydro-1,3-thiazol-2-yl)ethanone |
| InChIKey | FZOZFDAMVVEZSJ-UHFFFAOYSA-N |
| INCHI | 1S/C5H7NOS/c1-4(7)5-6-2-3-8-5/h2-3H2,1H3 |
| Isomeric SMILES | CC(=O)C1=NCCS1 |
| WGK Germany | 3 |
| UN Number | 2811 |
| Molecular Weight | 129.18 |
| Reaxy-Rn | 1209707 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1209707&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Azolines |
| Subclass | Thiazolines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Thiazolines |
| Alternative Parents | Ketones Propargyl-type 1,3-dipolar organic compounds Azacyclic compounds Organopnictogen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aliphatic heteromonocyclic compounds |
| Substituents | Meta-thiazoline - Ketone - Azacycle - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Carbonyl group - Aliphatic heteromonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as thiazolines. These are heterocyclic compounds containing a five-member unsaturated aliphatic ring with one nitrogen atom, one sulfur atom, three carbon atoms. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 L2219116 | Certificate of Analysis | Sep 21, 2026 | A118372 |
| B2219349 | Certificate of Analysis | Dec 10, 2025 | A118372 |
| B2219363 | Certificate of Analysis | Dec 10, 2025 | A118372 |
| C2017038 | Certificate of Analysis | Jan 15, 2024 | A118372 |
| C2301602 | Certificate of Analysis | Mar 30, 2023 | A118372 |
| C2301603 | Certificate of Analysis | Mar 15, 2023 | A118372 |
| C2301601 | Certificate of Analysis | Jan 07, 2022 | A118372 |
| E2424018 | Certificate of Analysis | Jan 07, 2022 | A118372 |
| J2523027 | Certificate of Analysis | Jan 07, 2022 | A118372 |
| Solubility | Soluble in methanol |
|---|---|
| Sensitivity | heat sensitive |
| Refractive Index | 1.5305 |
| Flash Point(°F) | 92 °C |
| Flash Point(°C) | 92°C |
| Boil Point(°C) | 94°C/11mmHg |
| Melt Point(°C) | 26-30°C |
| Molecular Weight | 129.180 g/mol |
| XLogP3 | 0.200 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 129.025 Da |
| Monoisotopic Mass | 129.025 Da |
| Topological Polar Surface Area | 54.700 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 141.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
