2-Chloro-N-(2-(4-oxo-2-thioxothiazolidin-3-yl)ethyl)acetamide CAS 749920-18-1
| CAS No. | 749920-18-1 |
| Molecular Formula | C7H9ClN2O2S2 |
| Molecular Weight | 252.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 252.74 g/mol gives 2-Chloro-N-(2-(4-oxo-2-thioxothiazolidin-3-yl)ethyl)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-N-(2-(4-oxo-2-thioxothiazolidin-3-yl)ethyl)acetamide (CAS 749920-18-1), molecular formula C7H9ClN2O2S2 and molecular weight 252.74 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C7H9ClN2O2S2, 2-Chloro-N-(2-(4-oxo-2-thioxothiazolidin-3-yl)ethyl)acetamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 252.74 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.
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 | C7H9ClN2O2S2 |
| Molecular Weight | 252.74 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chloro Standards
- 2-Chloro-N-cyclohexyl-N-methylnicotinamide (CAS 1016516-93-0)
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- 3-((3-Chloro-4-methylphenyl)amino)azepan-2-one (CAS 1104918-37-7)
- 4-Chloro-2,6-di(pyrrolidin-1-yl)pyrimidine (CAS 111669-15-9)
- 2-Chloro-N-(2-(3,4-dihydroquinolin-1(2h)-yl)ethyl)acetamide (CAS 1258640-65-1)
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- 2-Chloro-3-(3-(Tetrahydro-pyran-2-yloxy)phenyl)-1-propene (CAS 1263365-81-6)
Recommended Standards
- 2-Chloro-4-(thiophen-2-yl)thieno[3,2-d]pyrimidine (CAS 443147-52-2)
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- 2-Chloro-4-(4-ethylpiperazino)benzaldehyde (CAS 57981-52-9)
- 2-Chloro-N-(4-(pyrrolidin-1-ylmethyl)phenyl)acetamide (CAS 842965-59-7)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)(methyl)amino)-2-(2,3-dichlorophenyl)acetic acid (CAS 1692781-66-0)
- 2-Amino-5-(aminomethyl)-4-(difluoromethyl)pyridin-3-ol (CAS 1806792-02-8)
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- (Z)-Kresoxim-methy (CAS 248582-68-5)
- 7-(aminomethyl)-4-methyl-1,5-naphthyridin-2-amine (CAS 2891456-50-9)
- N,N-Dimethyl-5-nitro-1-benzothiophene-2-carboxamide (CAS 20532-45-0)
- (S,Z)-2-(2-(2-((tert-Butoxycarbonyl)amino)propanamido)thiazol-4-yl)-2-(methoxyimino)acetic acid (CAS 88970-81-4)
- 2-fluoro-4-methylbenzene-1-sulfonyl chloride (CAS 518070-29-6)
- (E)-3-(dimethylamino)-1-(3-(trifluoromethoxy)phenyl)prop-2-en-1-one (CAS 154258-46-5)
- (Tyr?)-C-Peptide (human) (CAS 57327-90-9)
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