18791-21-4 2-Pyridinecarboxamide, 3-hydroxy-N-[(2Z,5R,6S,9S,10S,11R)-10-hydroxy-5,11-dimethyl-2-(1-methylpropylidene)-3,7,12-trioxo-9-(3-pyridinylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]- 3-hydroxy-N-[(2Z,5R,6S,9S,10R,11R)-10-hydroxy-5,11-dimethyl-2-(1-methylpropylidene)-3,7,12-trioxo-9-(3-pyridylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]pyridine-2-carboxamide NSC246134 Pyridomycin CAS 18791-21-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18791-21-4 |
| Molecular Formula | C27H32N4O8 |
| Molecular Weight | 540.56 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 18791-21-4 2-Pyridinecarboxamide, 3-hydroxy-N-[(2Z,5R,6S,9S,10S,11R)-10-hydroxy-5,11-dimethyl-2-(1-methylpropylidene)-3,7,12-trioxo-9-(3-pyridinylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]- 3-hydroxy-N-[(2Z,5R,6S,9S,10R,11R)-10-hydroxy-5,11-dimethyl-2-(1-methylpropylidene)-3,7,12-trioxo-9-(3-pyridylmethyl)-1,4-dioxa-8-azacyclododec-6-yl]pyridine-2-carboxamide NSC246134 Pyridomycin (CAS 18791-21-4) pharmaceutical standards reference standard. Molecular formula: C27H32N4O8. Molecular weight: 540.56 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C27H32N4O8 |
| Molecular Weight | 540.56 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.) | 1962 |
| Nitrogen Atoms | 4 |
Related Pyridinecarboxamide Standards
Recommended Standards
- Pomalidomide-PEG4-Ph-NH2 (CAS 1818885-63-0)
- Empagliflozin impurity 232 (CAS CATO-C4X-1065232)
- O-Acetylschisantherin L (CAS 149998-51-6)
- 3-Bromo-2-hydroxyphenyl boronic acid (CAS 89488-24-4)
- 2-(2,4-Dichlorophenyl)tetrahydro-2h-pyran-3-carboxylic acid (CAS 1379284-13-5)
- 1H-Indazole-3,5-diol (CAS 787580-91-0)
- 2-(2-Nitrophenyl)thiophene (CAS 51207-30-8)
- N-(2-methoxyethyl)-1-methyl-1H-pyrazol-4-amine (CAS 1216194-76-1)
- 2-((2-Methoxyethyl)thio)-1-phenylethan-1-one (CAS 1157307-70-4)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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