2-[2-(2-methylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one CAS 749920-39-6
| CAS No. | 749920-39-6 |
| Molecular Formula | C12H11NO2S |
| Molecular Weight | 233.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-[2-(2-methylphenyl)-2-oxoethylidene]-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.
2-[2-(2-methylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one (CAS 749920-39-6) is a high-purity analytical reference standard with the molecular formula C12H11NO2S and a molecular weight of 233.29 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-[2-(2-methylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 233.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H11NO2S |
| Molecular Weight | 233.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related methylphenyl Standards
- 2-Methyl-4-(4-methylphenyl)-1,3-thiazole-5-carboxylic acid (CAS 1007873-56-4)
- 2-[(4-methylphenyl)methyl]-1,3-thiazole-4-carboxylic acid (CAS 1216181-04-2)
- 2-[2-(3-methylphenyl)-1,3-thiazol-4-yl]acetic acid (CAS 16441-29-5)
- 2-[2-(4-methylphenyl)-1,3-thiazol-4-yl]acetic acid (CAS 16441-30-8)
- [2-(2-Methylphenyl)-1,3-thiazol-4-yl]acetic acid (CAS 23353-16-4)
- 4-Methyl-2-(2-methylphenyl)-1,3-thiazole-5-carboxylic acid (CAS 54001-15-9)
- 4-Methyl-2-(4-methylphenyl)-1,3-thiazole-5-carboxylic acid (CAS 54001-13-7)
- 1-(3-Methylphenyl)-5-oxopyrrolidine-3-carbohydrazide (CAS 956593-14-9)
Recommended Standards
- 2-(Quinolin-4-ylthio)acetohydrazide (CAS 885278-19-3)
- 2-[4-(2-methyl-1,3-thiazol-4-yl)phenyl]acetic acid (CAS 77015-22-6)
- 2-(Quinazolin-4-ylthio)propanamide (CAS 876566-36-8)
- 2-Amino-4-(m-tolyl)thiophene-3-carboxylic acid (CAS 899691-86-2)
- N-Acetyl-S-(2-cyanoethyl)-L-cysteine-d3 Ammonium Salt (CAS CATO-CCAD302161)
- 4-(4-Bromophenyl)-2-(cyclohexylamino)-4-oxobutanoic acid (CAS 1031263-33-8)
- 3-Cyclopropoxy-5-iodopyridin-4-amine (CAS 1243357-57-4)
- Baxdrostat Impurity 7 (CAS 3059713-66-2)
- 2-Isobutyl-1-oxo-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carboxylic acid (CAS 436855-63-9)
- 5-Methoxy-2-(methylamino)phenol (CAS 1243361-56-9)
- Fumaric acid-d4 (CAS 194160-45-7)
- 2-Chloro-4-(naphthalen-2-yl)pyrimidine (CAS 488816-96-2)
- 2-Nitro-4-(thiazolidin-3-yl)benzaldehyde (CAS 1707365-37-4)
- Liraglutide Impurity 14 TFA Salt (CAS CATO-C4X-199214)
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