(5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one 94451-86-2 CAS 94451-86-2
| CAS No. | 94451-86-2 |
| Molecular Formula | C19H18N2O4S |
| Molecular Weight | 370.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one 94451-86-2.
(5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one 94451-86-2 (CAS 94451-86-2), molecular formula C19H18N2O4S and molecular weight 370.42 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one 94451-86-2 (C19H18N2O4S) is characterized by a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
As a certified reference material (CRM), (5E)-2-Mercapto-3-phenyl-5-(2,3,4-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one 94451-86-2 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 | C19H18N2O4S |
| Molecular Weight | 370.42 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
- 94451-93-1 (5E)-2-Mercapto-3-phenyl-5-(2,4,5-trimethoxybenzylidene)-3,5-dihydro-4H-imidazol-4-one MFCD12028019 (CAS 94451-93-1)
- (5E)-2-Mercapto-3-phenyl-5-(3,4,5-trimethoxy-benzylidene)-3,5-dihydro-4H-imidazol-4-one 94452-09-2 (CAS 94452-09-2)
- Butyl 4-(2-(2-mercapto-4-oxo-4,5-dihydrothiazol-5-yl)acetamido)benzoate (CAS 1142207-19-9)
- 2-Mercapto-5-(4-methoxyphenyl)-3-phenylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 296899-20-2)
- 2-mercapto-3-octyl-6,7,8,9-tetrahydro-3H-cyclohepta[4,5]thieno[2,3-d]pyrimidin-4(5H)-one (CAS 380437-06-9)
- 2-Mercapto-7-methyl-3-octyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3h)-one (CAS 519151-95-2)
- 2-Mercapto-3-phenethyl-5-phenylthieno[2,3-d]pyrimidin-4(3h)-one (CAS 730976-55-3)
- N-(4-(5-Mercapto-4-(4-methoxyphenyl)-4H-1,2,4-triazol-3-yl)phenyl)methanesulfonamide (CAS 917561-92-3)
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- 6-(Benzylthio)-4-(p-tolyl)-1,3,5-triazin-2(1H)-one (CAS 62460-54-2)
- Methyl 3-chloroimidazo[1,2-a]pyridine-6-carboxylate (CAS 900019-34-3)
- 1-(3-Chloropropyl)-4-methyl-1H-pyrazole (CAS 1183348-53-9)
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- 4-Methyl-2,3-dihydro-1H-inden-1-ol (CAS 67864-03-3)
- H-Phe(2,4-DiMe)-OH (CAS 259726-56-2)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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