5-Ethyl-1,3-thiazole-2-carbaldehyde CAS 339989-68-3
| CAS No. | 339989-68-3 |
| Molecular Formula | C6H7NOS |
| Molecular Weight | 141.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethyl-1,3-thiazole-2-carbaldehyde (CAS 339989-68-3) is a high-purity analytical reference standard with the molecular formula C6H7NOS and a molecular weight of 141.19 g/mol.
Based on its molecular formula C6H7NOS, 5-Ethyl-1,3-thiazole-2-carbaldehyde contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 141.19 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Ethyl-1,3-thiazole-2-carbaldehyde 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 | C6H7NOS |
| Molecular Weight | 141.19 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.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- 2-ethyl-1,3-thiazole-4-carbaldehyde (CAS 433214-90-5)
- Thiazole-4,5-dicarbaldehyde (CAS 13669-78-8)
- 1,3-Thiazole-4,5-dicarbaldehyde 2465AE 39669-78-8 C5H3NO2S (CAS 39669-78-8)
- 4-Methyl-1,3-thiazole-2-carboxamide (CAS 760201-86-3)
- 2-methyl-1,3-thiazole-4-carboxylic acid (CAS 35272-15-2)
- Thiazole-4-carbohydrazide (CAS 101257-38-9)
- 1,3-Thiazole-2-carbothioamide (CAS 60758-41-0)
- 1,3-Thiazole-4-carbothioamide (CAS 80653-66-3)
Recommended Standards
- 5-Cyclopropyl-1H-1,2,4-triazole-3-thiol (CAS 75570-09-1)
- 5-formylthiophene-3-carbonitrile (CAS 51770-04-8)
- 5-Amino-2-(methylthio)pyrimidine (CAS 42382-46-7)
- 5-Methoxypyridine-3-thiol (CAS 912545-79-0)
- N-Fmoc-N-methyl-O-(phenylmethyl)-L-serine (CAS 84000-14-6)
- 1-(4H-1,2,4-Triazol-3-yl)ethanamine (CAS 317830-80-1)
- 1-(2-(1H-Benzo[d]imidazol-2-yl)phenyl)-4-(4-methoxybenzylidene)-2-methyl-1H-imidazol-5(4H)-one (CAS 90660-80-3)
- Pent-1-en-3-yl isobutyrate (CAS 945529-33-9)
- 2-(Hydrazinylmethyl)pyrimidine (CAS 1234616-45-5)
- 3-methyl-4-phenylbut-3-en-2-amine hydrochloride (CAS 1807940-20-0)
- 4-(Benzyloxy)-2-nitronaphthalen-1-amine (CAS 685142-83-0)
- 4-(Pyrimidin-5-yl)phenol (CAS 69491-51-6)
- 4-(Methylamino)-2-(4-pyridinyl)-6-[3-(trifluoromethyl)phenyl]-5-pyrimidinecarbonitrile (CAS 477872-97-2)
- Tau Peptide (304-318) trifluoroacetate salt (CAS 330456-49-0)
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