1-(1,2,3-Thiadiazol-5-yl)ethan-1-one CAS 136918-88-2
| CAS No. | 136918-88-2 |
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 128.15 g/mol gives 1-(1,2,3-Thiadiazol-5-yl)ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 1-(1,2,3-Thiadiazol-5-yl)ethan-1-one (CAS 136918-88-2), a certified reference material (molecular formula C4H4N2OS, MW 128.15 g/mol) for analytical method development and quality control.
1-(1,2,3-Thiadiazol-5-yl)ethan-1-one (C4H4N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C4H4N2OS |
| Molecular Weight | 128.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thiadiazol Standards
- 1-(1,2,3-thiadiazol-4-yl)ethan-1-one (CAS 27643-14-7)
- n-(1,2,3-Thiadiazol-4-ylmethylidene)hydroxylamine (CAS 162640-72-4)
- N-(1,3,4-Thiadiazol-2-yl)formamide (CAS 26861-89-2)
- 2-(1,3,4-Thiadiazol-2-yl)ethan-1-amine (CAS 1097305-12-8)
- (3-Methyl-1,2,4-thiadiazol-5-yl)methanamine (CAS 1480863-50-0)
- 1-(1,2,3-thiadiazol-4-yl)ethan-1-amine (CAS 1521127-08-1)
- 3-Ethyl-1,2,4-thiadiazol-5-amine (CAS 17467-41-3)
- (5-methyl-1,3,4-thiadiazol-2-yl)methanamine (CAS 784131-72-2)
Recommended Standards
- 3-Fluoropiperidine-4-carbonitrile (CAS 1366915-10-7)
- 1,3-Thiazole-2-carbaldehyde oxime (CAS 13838-77-2)
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- 2-Thioxo-2,3-dihydro-1H-imidazole-4-carbaldehyde (CAS 13953-95-2)
- tert-Butyl ((S)-1-((2-(((S)-1-amino-5-guanidino-1-oxopentan-2-yl)(2-oxo-4-(trifluoromethyl)-2H-chromen-7-yl)amino)-2-oxoethyl)amino)-4-methyl-1-oxopentan-2-yl)carbamate (CAS 117141-39-6)
- 3-(2,4-Dimethylphenoxy)propanoic acid (CAS 15904-03-7)
- 1-[4-(Trifluoromethyl)phenyl]cyclopentanecarboxylic Acid (CAS 1260823-68-4)
- Sodium orthophosphate dodecahydrate (CAS 10101-89-0)
- 6-Acetylbenzo[d]thiazol-2(3H)-one, 97% (CAS 133044-44-7)
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