Papaverine Impurity 39 CAS 75608-42-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 75608-42-3 |
| Molecular Formula | C19H23NO5 |
| Molecular Weight | 345.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Papaverine Impurity 39 (CAS 75608-42-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H23NO5. Molecular weight: 345.39 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H23NO5 |
| Molecular Weight | 345.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
Related Papaverine Standards
- Papaverine Impurity 26 (CAS CATO-C4X-206726)
- Papaverine Impurity 40 (CAS 361389-65-3)
- Papaverine Impurity 42 (CAS CATO-C4X-206742)
- Papaverine impurity 24 (CAS 33490-73-2)
- Papaverine Hydrochloride - Impurity E (CAS 13074-31-2)
- Papaverine-d3 Hydrochloride (CAS 113718-66-4)
- Papaverine Impurity 28 (CAS 20122-48-9)
- Papaverine (CAS 58-74-2)
Recommended Standards
- Trimebutine Impurity 16 (CAS CATO-C4X-185816)
- Formoterol Impurity 137 (CAS CATO-C4X-1525137)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
- Phenylephrine Impurity 57 (CAS 1477-63-0)
- Ozefloxacin Impurity 23 (CAS 2767548-40-1)
- 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thieno[2,3-b]pyridine (CAS 2818961-99-6)
- 4-Bromo-2-iodo-6-nitropyridine (CAS 1805506-99-3)
- 4-Chloro-3-(2-chloro-1,1,2-trifluoroethoxyaniline (CAS 887268-34-0)
- 1-(4-Methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 19532-39-9)
- Allo-D-Ile12-Tirzepatide (CAS CATO-CPTD788963)
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