[(3Z)-1-[(4-Methylphenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino acetate CAS 303149-42-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303149-42-0 |
| Molecular Formula | C18H16N2O3 |
| Molecular Weight | 308.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[(3Z)-1-[(4-Methylphenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino acetate (CAS 303149-42-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H16N2O3. Molecular weight: 308.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H16N2O3 |
| Molecular Weight | 308.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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.) | 2025 |
| Nitrogen Atoms | 2 |
Related Z Standards
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Recommended Standards
- (S)-TERT-BUTYL 3-(4-NITROPHENOXY)PYRROLIDINE-1-CARBOXYLATE (CAS 218944-23-1)
- [(3Z)-2-Oxo-1-phenyl-2,3-dihydro-1H-indol-3-ylidene]amino 2-methylpropanoate (CAS 478261-20-0)
- (S)-8-(2,3-Dihydroxy-3-methylbutyl)-5,7-dimethoxy-2H-chromen-2-one (CAS 88585-86-8)
- Diethyl 2-cyanosuccinate (CAS 10359-15-6)
- 5-Methylbenzofuroxan (CAS 19164-41-1)
- 3-Bromo-4,6-dichloroquinoline (CAS 1204810-05-8)
- 2-(Cyclopentylamino)ethan-1-ol (CAS 2842-39-9)
- (3R,4S,5S)-Tert-butyl 4-(((benzyloxy)carbonyl)(methyl)amino)-3-methoxy-5-methylheptanoate (CAS 120205-58-5)
- 2-((S)-1-((S)-2-Amino-5-guanidinopentanoyl)pyrrolidine-2-carboxamido)acetic acid (CAS 96817-14-0)
- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
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