3-(3-Oxo-2,3-dihydro-1H-pyrazol-4-yl)-2-thioxothiazolidin-4-one CAS 630403-88-2
| CAS No. | 630403-88-2 |
| Molecular Formula | C6H5N3O2S2 |
| Molecular Weight | 215.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-(3-Oxo-2,3-dihydro-1H-pyrazol-4-yl)-2-thioxothiazolidin-4-one (C6H5N3O2S2) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 215.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3-(3-Oxo-2,3-dihydro-1H-pyrazol-4-yl)-2-thioxothiazolidin-4-one (CAS 630403-88-2), a certified reference material (molecular formula C6H5N3O2S2, MW 215.25 g/mol) for analytical method development and quality control.
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 | C6H5N3O2S2 |
| Molecular Weight | 215.25 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Oxo Standards
- Methyl 5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-1-carboxylate (CAS 106202-39-5)
- [3-(5,6-Dihydro-8h-imidazo[2,1-c][1,4]oxazin-3-yl)phenyl]amine (CAS 1428233-54-8)
- 4-(5,6-Dihydro-8H-imidazo[2,1-c][1,4]oxazin-3-yl)aniline (CAS 1428233-69-5)
- N3-(2,3-Dihydro-1H-inden-1-yl)-4H-1,2,4-triazole-3,5-diamine (CAS 1855174-82-1)
- 2-Methyl-9,10-dihydro-4H-benzo[5,6]cyclohepta[1,2-d]oxazol-4-ol (CAS 28237-14-1)
- 3-(3-Oxo-2,3-dihydro-1H-pyrazol-4-yl)-4-thioxothiazolidin-2-one (CAS 630403-90-6)
- 3,4-Dihydro-4,4-dimethyl-1,3,5-triazino[1,2-a]benzimidazol-2-amine (CAS 325738-83-8)
- 5-Methyl-6,7-dihydro-5H-thiazolo[4,5-f]indole-2-carbonitrile (CAS 1247879-15-7)
Recommended Standards
- 3-(2H-Benzo[d][1,2,3]triazol-2-yl)cyclohexan-1-one (CAS 681442-96-6)
- 3-(2,5-Dimethyl-1h-pyrrol-1-yl)benzoic acid (CAS 26180-28-9)
- 3-(5-Methyl-2-phenyloxazol-4-yl)propanal (CAS 784149-79-7)
- 3-(2,4-Dimethyl-1H-pyrrol-3-yl)benzoic acid (CAS 775322-46-8)
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo-[4,3-a]pyridine-8-carbonitrile (CAS 1020039-16-0)
- 4-(Oxetan-3-yl)phenol (CAS 1402565-90-5)
- 7-(Benzyloxy)-3,4-dihydronaphthalen-1(2H)-one (CAS 32263-64-2)
- 2-(Furan-2-yl)-5-(1-(methylsulfonyl)piperidin-4-yl)-1,3,4-thiadiazole (CAS 1105246-50-1)
- Irsogladine Impurity 1 (CAS 104766-03-2)
- 2,2,4,4-Tetramethyloctane (CAS 62183-79-3)
- 2-(5-Methyl-7-oxo-1,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl)ethyl furan-2-carboxylate (CAS 866144-69-6)
- 5,8-Difluoro-1,4-Benzodioxan (CAS 72912-50-6)
- 5-Chloro-2-(difluoromethoxy)benzoic acid (CAS 773869-44-6)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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