3-Demethyl Papaverine CAS 18694-10-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 18694-10-5 |
| Molecular Formula | C19H19NO4 |
| Molecular Weight | 325.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Demethyl Papaverine (CAS 18694-10-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H19NO4. Molecular weight: 325.36 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H19NO4 |
| Molecular Weight | 325.36 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
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Recommended Standards
- (13S,17R)-N-[(1E)-(Dimethylamino)methylidene]-11,15-dioxa-16-azatetracyclo[8.7.0.0^{2,7}.0^{13,17}]heptadeca-1,3,5,7,9-pentaene-16-carboxamide (CAS 1864003-43-9)
- Papaverine Impurity 2 (CAS 18813-60-0)
- 186320-19-4 3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-methylpropanoic acid 9731AA C19H19NO4 (CAS 186320-19-4)
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- N1-(2-Aminoethyl)benzene-1,2-diamine (CAS 128995-76-6)
- Trifluoro-methanesulfonic acid diethylmethylsilyl ester (CAS 116507-88-1)
- Cis-3a-methylhexahydroisoxazolo[2,3-b][1,2]oxazine-2-carbonitrile (CAS 53823-83-9)
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- Tirzepatide Impurity 43 (CAS CATO-C4X-324043)
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