Papaverine Impurity 39 CAS 75608-42-3
| 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
Compared with other compounds in its class, the molecular weight of 345.39 g/mol gives Papaverine Impurity 39 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Papaverine Impurity 39 (CAS 75608-42-3, C19H23NO5) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C19H23NO5, Papaverine Impurity 39 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 345.39 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Papaverine Impurity 39 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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)
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- Formoterol impurity 124 (CAS CATO-C4X-1525124)
- Phenylephrine Impurity 57 (CAS 1477-63-0)
- Ozefloxacin Impurity 23 (CAS 2767548-40-1)
- Bevantolol Impurity 20 (CAS CATO-C4X-241120)
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- (S)-N-Fmoc-N-Methyl-3-cyclopentyl-Ala (CAS 2407830-01-5)
- 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 18665070610 / Nicole.chen@cato-chem.com