Methyl 2-((2-nitrodibenzo[b,f][1,4]oxazepin-10(11H)-yl)sulfonyl)benzoate CAS 866157-21-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 866157-21-3 |
| Molecular Formula | C21H16N2O7S |
| Molecular Weight | 440.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Methyl 2-((2-nitrodibenzo[b,f][1,4]oxazepin-10(11H)-yl)sulfonyl)benzoate (CAS 866157-21-3) pharmaceutical standards reference standard. Molecular formula: C21H16N2O7S. Molecular weight: 440.43 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H16N2O7S |
| Molecular Weight | 440.43 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- (S)-2-(7-Nitrodibenzo[b,d]furan-2-sulfonamido)-3-phenylpropanoic acid (CAS 98044-79-2)
- 7-Nitrodibenzo[b,d]furan-2-sulfonyl chloride (CAS 98045-13-7)
- 7-Nitrodibenzo[b,d]furan-2-sulfonamide (CAS 632301-17-8)
- Methyl 3-nitrodibenzo[b,e][1,4]dioxine-1-carboxylate (CAS 924831-72-1)
- 1-(2-Nitrodibenzo[b,f][1,4]oxazepin-10(11H)-yl)ethan-1-one (CAS 103248-97-1)
- 3-Nitrodibenzo[b,f]oxepine-1-carboxylic acid (CAS 696620-16-3)
- N-(2-Nitrodibenzo[b,d]furan-3-yl)acetamide (CAS 105975-18-6)
- N-(3-nitrodibenzo[b,d]furan-2-yl)acetamide (CAS 857785-14-9)
Recommended Standards
- Tedizolid Impurity 16 (CAS 1700656-54-7)
- 2-(-2-((-(2-Hydroxy-5-sulfophenyl)diazenyl)-(phenyl)methylene)hydrazinyl)benzoic acid (CAS 135-52-4)
- Mal-PEG5-mal (CAS 113387-03-4)
- 5-Ethynyloctahydro-1h-4,7-methanoinden-5-ol (CAS 13380-92-2)
- 5-(2-Chlorophenyl)-N-(2,4-dichlorophenyl)furan-2-carboxamide (CAS 618400-28-5)
- Brivaracetam Impurity 33 (CAS CATO-C4X-200733)
- 1-(2-Chloro-9-methyl-6-morpholino-9H-purin-8-yl)-N-methylmethanamine (CAS 1929582-97-7)
- 1-Boc-D-prolinamide (CAS 70138-72-6)
- 5-Methyl-4-(piperidin-1-ylmethyl)furan-2-carboxylic acid (CAS 299920-95-9)
- D-Thr7-Tirzepatide (CAS CATO-CPTD788924)
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