Tadalafil Impurity 75 CAS 1093940-68-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1093940-68-1 |
| Molecular Formula | C21H18N4O4 |
| Molecular Weight | 390.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Tadalafil Impurity 75 (CAS 1093940-68-1) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C21H18N4O4. Molecular weight: 390.39 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C21H18N4O4 |
| Molecular Weight | 390.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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.) | 1989 |
| Nitrogen Atoms | 4 |
Related Tadalafil Standards
- Tadalafil Impurity 76 (CAS 1093940-70-5)
- Tadalafil Impurity 72 (CAS 20696-60-0)
- Tadalafil (CAS 171596-29-5)
- Tadalafil EP Impurity A (CAS 171596-27-3)
- Tadalafil impurity 165 (CAS 385769-80-2)
- Tadalafil EP Impurity B (CAS 629652-72-8)
- Tadalafil Impurity 25 (CAS CATO-C4X-108725)
- Tadalafil EP Impurity C (CAS 171596-28-4)
Recommended Standards
- Vonoprazan Impurity 263 (CAS CATO-C4X-1020263)
- Methyl 7-(acetyloxy)-2,2-diphenyl-1,3-benzodioxole-5-carboxylate (CAS 886362-24-9)
- Nimodipine impurity 42 (CAS CATO-C4X-138542)
- Dabigatran Impurity 141 (CAS CATO-C4X-1089141)
- Vortioxetine impurity 158 (CAS CATO-C4X-1056158)
- 5-((4-Methoxybenzyl)oxy)-4-oxo-1,4-dihydropyridine-2-carboxylic acid (CAS 116903-86-7)
- 1-(3-Hydroxy-4-iodophenyl)ethanone (CAS 73898-23-4)
- 2-((3-Cyano-4,5-dimethyl-1H-pyrrol-2-yl)amino)propanamide (CAS 793619-30-4)
- (2E)-3-(4-Methoxyphenyl)-1-(4-methyl-2-phenyl-1,3-thiazol-5-yl)prop-2-en-1-one (CAS 1164541-18-7)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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