(Z)-4-((5-Methylthiophen-2-yl)methylene)-2-phenyloxazol-5(4H)-one CAS 88991-49-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 88991-49-5 |
| Molecular Formula | C15H11NO2S |
| Molecular Weight | 269.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(Z)-4-((5-Methylthiophen-2-yl)methylene)-2-phenyloxazol-5(4H)-one (CAS 88991-49-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C15H11NO2S. Molecular weight: 269.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C15H11NO2S |
| Molecular Weight | 269.32 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- (S)-2-(4-Isopropyl-4,5-dihydrooxazol-2-yl)benzenesulfonic acid (CAS 832104-33-3)
- [(5,6,7,8-tetrahydronaphthalen-2-ylsulfonyl)amino]acetic acid (CAS 790681-76-4)
- (S)-2-(3-(Furan-2-yl)acrylamido)-4-(methylthio)butanoic acid (CAS 261179-09-3)
- 6-Chloro-5-methylthieno[2,3-d]pyrimidin-4(3H)-one (CAS 56844-42-9)
- 4-(Isopropoxycarbonylamino)phenylboronic acid (CAS 1033726-21-4)
- 2-(3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl)acetonitrile (CAS 937626-36-3)
- Quetiapine Impurity 89 (CAS CATO-C4X-124489)
- N-(4,5,6,7-Tetrahydro[1,3]thiazolo[5,4-c]pyridin-2-yl)acetamide hydrochloride (CAS 1209492-78-3)
- 4-Bromo-8-methoxy-2-methylquinoline
927800-62-2
C11H10BrNO
Z5353 (CAS 927800-62-2)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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 13829788188 / jacky.chen@cato-chem.com