Norketotifen hydrogen fumarate CAS 930765-16-5
| CAS No. | 930765-16-5 |
| Molecular Formula | C18H17NOS |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Norketotifen hydrogen fumarate 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 Norketotifen hydrogen fumarate (CAS 930765-16-5), a certified reference material (molecular formula C18H17NOSC4H4O4, MW 411.47 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H17NOSC4H4O4, Norketotifen hydrogen fumarate 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 411.47 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H17NOS C4H4O4 |
| Molecular Weight | 411.47 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
- 3-methyl-1H-indazole-7-carbonitrile (CAS 1554584-26-7)
- (2-Fluoro-4-(pentafluoro-λ6-sulfanyl)phenyl)methanamine (CAS 1240257-86-6)
- (1-(3-Chloroquinoxalin-2-yl)piperidin-2-yl)methanol (CAS 1261229-77-9)
- n,n-Dimethyl-2-((5-methylheptan-3-yl)amino)acetamide (CAS 1096870-99-3)
- 6-(4-piperidyl)quinoline;hydrochloride (CAS 2140866-90-4)
- Morpholin-3-ylmethanamine (CAS 933735-50-3)
- (E)-4-(3-(2,3,4-trimethoxyphenyl)acryloyl)phenyl 4-methylbenzoate (CAS 306730-05-2)
- 8-Hydroxy Debrisoquin-13C,15N2 (CAS 1189975-64-1)
- N,N-Diallyl-4-bromoaniline (CAS 30438-95-0)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
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