| CAS No. | 339283-50-0 |
| Molecular Formula | C12H9NO3S2 |
| Molecular Weight | 279.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-{[(5Z)-4-oxo-2-sulfanyl-4,5-dihydro-1,3-thiazol-5-ylidene]methyl}phenyl acetate.
4-{[(5Z)-4-oxo-2-sulfanyl-4,5-dihydro-1,3-thiazol-5-ylidene]methyl}phenyl acetate (CAS 339283-50-0) is a high-purity analytical reference standard with the molecular formula C12H9NO3S2 and a molecular weight of 279.33 g/mol.
Structurally, 4-{[(5Z)-4-oxo-2-sulfanyl-4,5-dihydro-1,3-thiazol-5-ylidene]methyl}phenyl acetate (C12H9NO3S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 279.33 g/mol, it falls into the medium-molecular-weight range. 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.
CATO manufactures 4-{[(5Z)-4-oxo-2-sulfanyl-4,5-dihydro-1,3-thiazol-5-ylidene]methyl}phenyl acetate 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.
| Molecular Formula | C12H9NO3S2 |
| Molecular Weight | 279.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |