(5E)-5-{[3-nitro-4-(pyrrolidin-1-yl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one CAS 554427-06-4
| CAS No. | 554427-06-4 |
| Molecular Formula | C14H13N3O3S2 |
| Molecular Weight | 335.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5E)-5-{[3-nitro-4-(pyrrolidin-1-yl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 554427-06-4), molecular formula C14H13N3O3S2 and molecular weight 335.40 g/mol, is a CATO reference standard with documented purity and traceability.
(5E)-5-{[3-nitro-4-(pyrrolidin-1-yl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one (C14H13N3O3S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), (5E)-5-{[3-nitro-4-(pyrrolidin-1-yl)phenyl]methylidene}-2-sulfanylidene-1,3-thiazolidin-4-one 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 | C14H13N3O3S2 |
| Molecular Weight | 335.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related E Standards
- 3-(5-Nitro-2-(pyrrolidin-1-yl)benzylidene)indolin-2-one (CAS 892637-20-6)
- Methyl 3-nitro-2-[(phenylsulfonyl)methyl]benzenecarboxylate (CAS 860786-93-2)
- 1-Nitro-2-(tetradecyloxy)benzene (CAS 122329-02-6)
- 127074-39-9 2-Nitro-N-(2-nitrophenyl)-N-phenyl-benzenamine Bis-(2-nitrophenyl)phenylamine (CAS 127074-39-9)
- 2-Nitro-N-(4-nitrophenyl)-N-phenylaniline (CAS 887407-14-9)
- Ethyl 2-(2-nitro-5-(pentafluoro-lambda6-sulfanyl)phenyl)acetate (CAS 1309569-23-0)
- Ethyl 2-(2-nitro-4-(pentafluoro-l6-sulfaneyl)phenyl)acetate (CAS 1394319-50-6)
- 3-Nitro-4,4'-bis(trifluoromethyl)-1,1'-biphenyl (CAS 1261804-43-6)
Recommended Standards
- (4-Ethylpiperazin-1-yl)(2-(furan-2-yl)quinolin-4-yl)methanone (CAS 546073-40-9)
- (6E)-1-Benzyl-6-{[4-(dimethylamino)phenyl]methylidene}piperazine-2,5-dione (CAS 338750-23-5)
- Benzyl ((S)-1-(((S)-1-amino-1-oxohexan-2-yl)amino)-1-oxopropan-2-yl)carbamate (CAS 197237-14-2)
- (9H-fluoren-9-yl)methyl 4-oxoazepane-1-carboxylate (CAS 885954-56-3)
- 5-Cyclopropoxy-2-fluoro-4-isopropoxypyridine (CAS 1243446-62-9)
- 6-chlorospiro[2.5]oct-5-ene-5-carbaldehyde (CAS 1513853-76-3)
- 2-Bromo-N-[2-(tetrahydro-2-furanylmethoxy)phenyl]-acetamide (CAS 1138442-58-6)
- 5-(Chloromethyl)-3-((4-nitrophenoxy)methyl)-1,2,4-oxadiazole (CAS 306936-72-1)
- 1-(2-methoxyethyl)piperidin-4-ol (CAS 512778-95-9)
- 1,2-Diethynyl-4-fluorobenzene (CAS 336106-79-7)
- Monoethyl Maleate (CAS 3990-03-2)
- N-(4-Chloro-phenyl)-4-(6-dimethylamino-4-trifluoromethyl-pyridin-2-yl)-benzamide (CAS 1311278-88-2)
- Tert-butyl 4-sulfamoylpiperazine-1-carboxylate (CAS 610799-03-6)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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