Bilirubin CAS 635-65-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 635-65-4 |
| Molecular Formula | C33H36N4O6 |
| Molecular Weight | 584.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Bilirubin (CAS 635-65-4) pharmaceutical standards reference standard. Molecular formula: C33H36N4O6. Molecular weight: 584.66 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C33H36N4O6 |
| Molecular Weight | 584.66 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Bilirubin Standards
- Bilirubin dimethyl ester (CAS 19792-68-8)
- Bilirubin Monoglycoside (CAS CATO-C4X-15612)
- Bilirubin Acyl-β-D-Glucuronides (CAS 874448-90-5)
- Bilirubin Monoglucuronide (CAS 27071-67-6)
- Bilirubin impurity B1 (CAS CATO-C4X-15618)
- Bilirubin impurity 5 (CAS CATO-C4X-15615)
- Bilirubin Diglycoside (CAS CATO-C4X-15613)
- Bilirubin Diglucuronide (CAS 17459-92-6)
Recommended Standards
- Disodium Bilirubinate (CAS 93891-87-3)
- Tetrakis(4-(1H-imidazol-1-yl)phenyl)methane (CAS 1258859-29-8)
- 5'-O-DMT-N-(dimethylamino)methylidene-2'-deoxypseudoisocytidine (CAS 307314-30-3)
- 5-chloro-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1245643-75-7)
- 8-Methyl-2H-pyrazolo[3,4-b]quinolin-3-amine (CAS 351357-40-9)
- 1-Bromo-3-fluoro-2-isopropoxy-4-methylbenzene (CAS 2379322-36-6)
- Methyl 3-O-benzyl-4-6-O-benzylidene-2-deoxy-2-phthalimido-β-D-glucopyranose (CAS 97276-96-5)
- N-(5-Methoxyquinolin-8-yl)pyrazine-2-carboxamide (CAS 606096-79-1)
- 3-Bromo-5-(trifluoromethyl)benzyl Bromide (CAS 954123-46-7)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
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