Ethyl 5-(4-methoxyphenyl)-7-methyl-2-(4-nitrobenzylidene)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 300723-22-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 300723-22-2 |
| Molecular Formula | C24H21N3O6S |
| Molecular Weight | 479.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(4-methoxyphenyl)-7-methyl-2-(4-nitrobenzylidene)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 300723-22-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H21N3O6S. Molecular weight: 479.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H21N3O6S |
| Molecular Weight | 479.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Octanimidic Acid Methyl Ester HCl (CAS 52011-54-8)
- 2-(2-Chlorophenyl)-4,6-diphenyl-1,3,5-triazine (CAS 77989-14-1)
- 2-Chloro-n-[(3-methylthiophen-2-yl)methyl]acetamide (CAS 1306603-04-2)
- Ethyl 2-{[(2-methylphenyl)carbamoyl]amino}benzoate (CAS 446854-49-5)
- Des[(3-chloro-2-propenyl)oxy]-2-iminoallyl Clethodim (CAS 1346600-51-8)
- Tris(2,2,3,3-tetrafluoropropyl)phosphate (CAS 563-10-0)
- Semaglutide Impurity 123 (CAS 71997-93-8)
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