Methyl 3-nitro-4-{4-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbamoyl]piperazin-1-yl}benzoate CAS 866137-44-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866137-44-2 |
| Molecular Formula | C21H21N5O7 |
| Molecular Weight | 455.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 3-nitro-4-{4-[(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)carbamoyl]piperazin-1-yl}benzoate (CAS 866137-44-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H21N5O7. Molecular weight: 455.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H21N5O7 |
| Molecular Weight | 455.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
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Recommended Standards
- Mal-amido-PEG3-C1-NHS ester (CAS 2101206-45-3)
- Ninopterin (CAS 2179-16-0)
- Isohomofolic Acid (CAS 24960-28-9)
- 3,5-Di-tert-butylbenzoyl chloride (CAS 14377-33-4)
- 3-amino-5-chloro-pyridine-2-carboxylic acid (CAS 53636-68-3)
- n-(2-Methylpropyl)cyclohexanamine hydrochloride (CAS 99863-04-4)
- Methyl 5-((2,4-dimethylphenyl)carbamoyl)-4-methyl-2-(2-(o-tolyloxy)acetamido)thiophene-3-carboxylate (CAS 335407-88-0)
- 3-(3,5-Dichlorophenyl)-5,5-dimethyloxazolidine-2,4-dione (CAS 24201-58-9)
- 3-(4-Allyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazol-3-yl)-1-(4-chlorobenzyl)pyridin-2(1H)-one (CAS 400074-99-9)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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