Adenosine Impurity 20 CAS 42776-78-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 42776-78-3 |
| Molecular Formula | C17H19N5O6S |
| Molecular Weight | 421.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Adenosine Impurity 20 (CAS 42776-78-3) pharmaceutical standards reference standard. Molecular formula: C17H19N5O6S. Molecular weight: 421.43 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C17H19N5O6S |
| Molecular Weight | 421.43 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Adenosine Standards
- Adenosine 5’-Tosylate (CAS 5135-30-8)
- Adenosine 3,5-bisphosphate triethylammonium salt - 10mM aqueous solution (CAS 1053-73-2)
- Adenosine Impurity 3 (CAS 3805-37-6)
- Adenosine 5＇-diphosphate (CAS 58-64-0)
- Adenosine Impurity 8 (CAS 10596-22-2)
- Adenosine Impurity 10 (CAS 5987-73-5)
- Adenosine Cyclic 2’,3’-Phosphate 5’-Phosphate (CAS 4527-92-8)
- Adenosine 5'-(α,β-methylene)diphosphate sodium salt (CAS 89016-30-8)
Recommended Standards
- Riociguat Impurity 11 (CAS CATO-C4X-174911)
- 4,6-Dimethyl-3-(4-methylbenzenesulfonyl)-2-[3-(trifluoromethyl)phenoxy]pyridine (CAS 478245-36-2)
- Riociguat Impurity 12 (CAS CATO-C4X-174912)
- (S)-Methyl 2-amino-3-(5-hydroxy-1H-indol-3-yl)propanoate (CAS 79812-02-5)
- Donepezil-d5 (CAS 1128086-25-8)
- (1S,3S)-3-methyl-8-azaspiro[4.5]Decan-1-amine (CAS 2306247-36-7)
- 5-Amino-6-bromo-N-((1-((tetrahydro-2H-pyran-4-yl)methyl)piperidin-4-yl)methyl)chromane-8-carboxamide (CAS 947373-34-4)
- (S)-3-Amino-2-(4-fluoro-phenyl)-propionic acid (CAS 293731-69-8)
- 6-(Dimethylamino)pyrimidine-4-carbonitrile (CAS 65735-63-9)
- Semaglutide Impurity 125 xTFA Salt (CAS CATO-C4X-2226125)
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