(E)-2-(2,4-Dioxothiazolidin-5-ylidene)acetic acid CAS 1639050-53-5
| CAS No. | 1639050-53-5 |
| Molecular Formula | C5H3NO4S |
| Molecular Weight | 173.15 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.
CATO supplies (E)-2-(2,4-Dioxothiazolidin-5-ylidene)acetic acid (CAS 1639050-53-5), a certified reference material (molecular formula C5H3NO4S, MW 173.15 g/mol) for analytical method development and quality control.
Based on its molecular formula C5H3NO4S, (E)-2-(2,4-Dioxothiazolidin-5-ylidene)acetic acid contains a carbohydrate-derived structure, an amide group, a sulfone group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 173.15 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.
CATO manufactures (E)-2-(2,4-Dioxothiazolidin-5-ylidene)acetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H3NO4S |
| Molecular Weight | 173.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related E Standards
- (Z)-2-(2,4-Dioxothiazolidin-5-ylidene)acetic acid (CAS 1171128-34-9)
- 3-(2,4-Dioxothiazolidin-3-yl)propanenitrile (CAS 49545-02-0)
- Methyl 2-(2,4-dioxothiazolidin-3-yl)acetate (CAS 18345-22-7)
- 2-(2,4-Dioxothiazolidin-3-yl)propanoic acid (CAS 497076-92-3)
- 2-(3-Methyl-2,4-dioxothiazolidin-5-yl)acetic acid (CAS 613656-83-0)
- 3-(2,4-Dioxothiazolidin-3-yl)propanoic acid (CAS 49629-36-9)
- 2-(2,4-Dioxothiazolidin-3-yl)acetonitrile (CAS 1351566-23-8)
- Methyl 3-(2,4-dioxothiazolidin-3-yl)propanoate (CAS 1033700-43-4)
Recommended Standards
- 1-(3-Fluoropropyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1526742-53-9)
- 2-[(2-Fluoropyridin-3-yl)methylidene]malononitrile (CAS 1820674-40-5)
- 1-(2-Fluoroethyl)-4-methyl-3-nitro-1H-pyrazole (CAS 1458593-67-3)
- (1s,3s,5s)-1,3,5-Triaza-7-phosphaadamantane 7-oxide (CAS 53597-70-9)
- 2-((4,8-Dimethylquinolin-2-yl)thio)acetic acid (CAS 370843-65-5)
- 1-Isopropyl-N-(2-methoxyethyl)piperidin-4-amine (CAS 1019598-30-1)
- 4-(Chloromethyl)-1-(tetrahydro-2H-thiopyran-4-yl)-1H-1,2,3-triazole (CAS 1881291-24-2)
- (S)-2-(3,4-Dichlorophenyl)piperazine (CAS 188788-24-1)
- 2,2'-Di(hydroxymethyl)biphenyl (CAS 3594-90-9)
- 1-(2-Bromo-4-methylphenyl)propan-1-one (CAS 1261643-06-4)
- 1-(Pyrimidin-4-yl)cyclobutane-1-carboxylic acid (CAS 1427023-36-6)
- Eltrombopag Impurity 103 (CAS CATO-C4X-1198103)
- 3,5-Bis(propargyloxy)benzoic acid, 97% (CAS 664334-21-8)
- Palmitoyl Hexapeptide-12 TFA salt (CAS 171263-26-6(Free Base))
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