Demethylpiperazinyl N-2-hydroxyethyl sildenafil, 98% CAS 372172-91-3
| CAS No. | 372172-91-3 |
| Molecular Formula | C19H25N5O5S |
| Molecular Weight | 435.50 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Demethylpiperazinyl N-2-hydroxyethyl sildenafil, 98% 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.
CATO supplies Demethylpiperazinyl N-2-hydroxyethyl sildenafil, 98% (CAS 372172-91-3), a certified reference material (molecular formula C19H25N5O5S, MW 435.50 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H25N5O5S, Demethylpiperazinyl N-2-hydroxyethyl sildenafil, 98% contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 435.50 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
Physical & Chemical Properties
| Molecular Formula | C19H25N5O5S |
| Molecular Weight | 435.50 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Demethylpiperazinyl Standards
Recommended Standards
- 4-Nitro-N-(2-(2-phenyl-1H-indol-3-yl)propyl)benzenesulfonamide (CAS 648894-23-9)
- N-(2-(1-Benzoyl-5-(2-hydroxyphenyl)-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide (CAS 921082-11-3)
- 4,5-Dibromo-2-[(2Z)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]-2,3-dihydropyridazin-3-one (CAS 477855-39-3)
- N-(5-((4-Nitrophenyl)sulfonyl)thiazol-2-yl)-2-(phenylthio)acetamide (CAS 797019-58-0)
- 5,6-Dimethyl-2,5-dihydropyrazine-2-carboxylic acid (CAS 160532-38-7)
- (2-methyl-5-nitrophenyl)hydrazine dihydrochloride (CAS 1221725-20-7)
- 2-(Prop-2-yn-1-yloxy)acetic acid (CAS 98021-61-5)
- 4,6-Diphenyl-2H-pyran-2-one (CAS 17372-52-0)
- tert-Butyl 5-amino-1-methyl-1H-pyrrole-2-carboxylate (CAS 1309686-53-0)
- 2,7-Dibromo-9-(tridecan-7-ylidene)-9H-fluorene (CAS 738580-15-9)
- 5-Phenethyl-1,3,4-oxadiazol-2(3H)-one (CAS 34544-64-4)
- 6-Amino-7-fluoroisoindolin-1-one (CAS 1036389-20-4)
- 1-[4-(cyclopentanesulfonyl)phenyl]ethan-1-one (CAS 1049873-22-4)
- Semaglutide impurity 272 (CAS CATO-C4X-2226272)
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