2-Methyl-4-(triphenylphosphoranylidene)oxazole-5(4H)-thione CAS 76621-59-5
| CAS No. | 76621-59-5 |
| Molecular Formula | C22H18NOPS |
| Molecular Weight | 375.42 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 2-Methyl-4-(triphenylphosphoranylidene)oxazole-5(4H)-thione.
CATO supplies 2-Methyl-4-(triphenylphosphoranylidene)oxazole-5(4H)-thione (CAS 76621-59-5), a certified reference material (molecular formula C22H18NOPS, MW 375.42 g/mol) for analytical method development and quality control.
2-Methyl-4-(triphenylphosphoranylidene)oxazole-5(4H)-thione (C22H18NOPS) contains a steroid core, an amide group, sulfur-containing functionality, organophosphorus functionality, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 2-Methyl-4-(triphenylphosphoranylidene)oxazole-5(4H)-thione 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.
Physical & Chemical Properties
| Molecular Formula | C22H18NOPS |
| Molecular Weight | 375.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 2-Methyl-1-(triphenylphosphoranylidene)propyl acetate (CAS 90035-21-5)
- 6-(Triphenylphosphoranylidene)hexanoic acid (CAS 53036-80-9)
- N-((Triphenylphosphoranylidene)vinylidene)aniline (CAS 21385-80-8)
- 1-Phenyl-2-(triphenylphosphoranylidene)ethanone (CAS 859-65-4)
- N-(Triphenylphosphoranylidene)benzimidamide (CAS 95804-09-4)
- 2-((Triphenylphosphoranylidene)amino)benzaldehyde (CAS 53170-68-6)
- 3-Oxo-2-(triphenylphosphoranylidene)butanoic acid (CAS 184000-45-1)
- 7-(Triphenylphosphoranylidene)heptanoic acid (CAS 52956-94-2)
Recommended Standards
- 2'-Amino-5'-isopropyl-[1,1':3',1''-terphenyl]-4,4''-dicarboxylic acid (CAS 2480282-84-4)
- 2-Phenyl-2-[(phenylcarbamoyl)amino]ethyl N-phenylcarbamate (CAS 338963-03-4)
- 2-(6-(2-Methoxy-2-oxoethyl)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazin-2-yl)ethyl cyclohexanecarboxylate (CAS 860648-61-9)
- 3-(2-(Phenylsulfonamido)phenoxy)thiophene-2-carboxylic acid (CAS 900019-13-8)
- 5-((4,5-Dihydro-1H-imidazol-2-yl)methyl)-2-ethoxypyridine (CAS 371122-64-4)
- (1R,4R,5S)-5-fluoro-2-azabicyclo[2.1.1]Hexane (CAS 1932419-78-7)
- 5-[(4-methylpiperazin-1-yl)sulfonyl]pyridine-2-thiol (CAS 853574-40-0)
- (5-(4-Chlorophenyl)oxazol-4-yl)methanamine (CAS 1540152-45-1)
- N-Boc-(R)-2-amino-3-hydroxy-3-methylbutanoic acid (CAS 288159-40-0)
- 2-Cyclopropoxy-3-isopropoxy-N,N-dimethylaniline (CAS 1243458-77-6)
- 4-(1H-1,2,3-benzotriazol-1-yl)benzoic acid (CAS 314248-56-1)
- 1-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)cyclopentane-1-carboxylic acid (CAS 51971-46-1)
- Ampkinone (CAS 1233082-79-5)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
Why CATO?
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