【禁售不询】Tadalafil Impurity 43 CAS 120-57-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 120-57-0 |
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
【禁售不询】Tadalafil Impurity 43 (CAS 120-57-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H6O3. Molecular weight: 150.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H6O3 |
| Molecular Weight | 150.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Tadalafil Standards
- Tadalafil Impurity 52 (CAS 5345-73-3)
- Tadalafil Impurity 100 (CAS 18156-74-6)
- Tadalafil Impurity 79 (CAS 38082-70-1)
- Tadalafil Impurity 108 (CAS 771-39-1)
- Tadalafil Impurity 106 (CAS 23126-68-3)
- Tadalafil Impurity 101 (CAS 20850-43-5)
- Tadalafil Impurity 53 (CAS 23170-77-6)
- Tadalafil Impurity 136 (CAS 52302-45-1)
Recommended Standards
- Roflumilast Impurity 30 (CAS 34809-82-0)
- Olaparib Impurity 31 (CAS 16859-59-9)
- 2,3-(Methylenedioxy)benzaldehyde (CAS 7797-83-3)
- Hydroxychloroquine Impurity 22 (CAS CATO-C4X-183522)
- Phenylephrine Impurity 59 (CAS 50700-49-7)
- 2,5,7-Triazaspiro[3.4]octan-6-one (CAS 1392210-92-2)
- N-(3-Chloro-2-quinoxalinyl)-2-(trifluoromethyl)benzenesulfonamide (CAS 877964-71-1)
- 1-Cyclobutyl-2,2,2-trifluoroethan-1-amine (CAS 1270470-77-3)
- 2-(4-(2,4-Difluorophenoxy)-2-oxopyridin-1(2H)-yl)-4-methyl-N-(1-methyl-1H-pyrazol-3-yl)pentanamide (CAS 1262239-23-5)
- Liraglutide Impurity 6 TFA Salt (CAS CATO-C4X-19926)
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