Riociguat Impurity 23 CAS 4090-37-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4090-37-3 |
| Molecular Formula | C16H18N2O2 HCl |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Riociguat Impurity 23 (CAS 4090-37-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H18N2O2 HCl. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H18N2O2 HCl |
| Molecular Weight | 306.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Riociguat Standards
- Riociguat-13C-d3 (CAS 1304478-43-0)
- Riociguat Impurity 2 (CAS 1361569-10-9)
- Riociguat Impurity 16 (CAS 1361569-18-7)
- Riociguat Impurity 18 (CAS 1361569-23-4)
- Riociguat Impurity 1 (CAS 1702271-98-4)
- Riociguat Impurity N10 (CAS 2101651-50-5)
- Riociguat Impurity N3 (CAS 2512205-25-1)
- Riociguat Impurity 30 (CAS 2518331-19-4)
Recommended Standards
- 6-Bromo-2-chloro-3-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 1010101-10-6)
- (S)-Methyl 2,6-diaminohexanoate xhydrochloride (CAS 15445-34-8)
- (Z)-N-(3-Chlorophenyl)-N'-hydroxy-3-nitrobenzene-1-carboximidamide (CAS 866049-30-1)
- (3-(3-((2,4-Dichlorobenzyl)oxy)phenyl)-1H-pyrazol-1-yl)(3,4-dichlorophenyl)methanone (CAS 477712-59-7)
- 6-propoxy-1,2,3,4-tetrahydroisoquinoline (CAS 1340557-66-5)
- Pyrrolo[1,2-a]pyrazine-3-carboxylic acid (CAS 588720-53-0)
- 30003-72-6 insulin chain b oxidized (CAS 30003-72-6)
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