Papaverine Impurity 27 CAS 855737-36-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 855737-36-9 |
| Molecular Formula | C19H21NO4 |
| Molecular Weight | 327.37 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Papaverine Impurity 27 (CAS 855737-36-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H21NO4. Molecular weight: 327.37 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H21NO4 |
| Molecular Weight | 327.37 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- Pimavanserin Impurity 40 (CAS CATO-C4X-193840)
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- 2-hydroxymethyl-4-bromophenol 2316-64-5 4-bromo-2-hydroxymethylphenol 5-Bromo-2-hydroxybenzyl alcohol 5-Bromosalicyl alcohol 5-bromo-2-hydroxybenzyl alcohol, 98+% 5-bromosaligenin Bromosaligenin rarechem al bd 0040 (CAS 2316-64-5)
- 2-Amino-4-chloro-5-methylbenzenesulfonamide (CAS 55825-29-1)
- 3,4,5-Trifluoro-4'-[(trans,trans)-4'-pentyl[1,1'-bicyclohexyl]-4-yl]-1,1'-biphenyl (CAS 137529-43-2)
- Semaglutide impurity 57 (CAS 2773558-06-6)
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