Ketoprofen Impurity 89 CAS CATO-C4X-147189
| CAS No. | CATO-C4X-147189 |
| Molecular Formula | C29H31NO4 |
| Molecular Weight | 457.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ketoprofen Impurity 89 (C29H31NO4) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Ketoprofen Impurity 89 (CAS CATO-C4X-147189) is a certified pharmaceutical impurity reference standard with the molecular formula C29H31NO4 and a molecular weight of 457.56 g/mol.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Ketoprofen Impurity 89 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.
Physical & Chemical Properties
| Molecular Formula | C29H31NO4 |
| Molecular Weight | 457.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Ketoprofen Standards
- Ketoprofen Impurity 90 (CAS CATO-C4X-147190)
- Ketoprofen Impurity 95 (CAS CATO-C4X-147195)
- Ketoprofen Impurity 97 (CAS CATO-C4X-147197)
- Ketoprofen Impurity 92 (CAS CATO-C4X-147192)
- Ketoprofen Impurity 83 (CAS CATO-C4X-147183)
- Ketoprofen Impurity 84 (CAS CATO-C4X-147184)
- (R)-Ketoprofen β-D-glucuronide (CAS 140148-25-0)
- (S)-Ketoprofen β-D-glucuronide (CAS 140148-26-1)
Recommended Standards
- NH-bis-PEG5 (CAS 63721-06-2)
- Fmoc-S-3-amino-4-(4-tert-butylphenyl)-butyric acid (CAS 403661-86-9)
- Fmoc-R-3-amino-4-(4-tert-butylphenyl)-butyric acid (CAS 401916-49-2)
- 1-Hydroxy-4-((4-(nonyloxy)phenyl)amino)anthracene-9,10-dione (CAS 71334-46-8)
- Sitagliptin Impurity 95 (CAS 2309520-11-2)
- Tobramycin Impurity 2 (CAS 1488363-39-8)
- Daclatasvir impurity 38 (CAS CATO-C4X-184838)
- 2-((1-Methyl-1H-indazol-4-yl)oxy)ethyl acetate (CAS 144528-17-6)
- 2-Amino-2-(3,5-dimethoxyphenyl)ethanol (CAS 696598-77-3)
- 4-(4-(Trifluoromethyl)phenyl)cyclohexan-1-one (CAS 40503-94-4)
- 3,3-bis(methoxymethyl)cyclobutan-1-amine (CAS 2168693-38-5)
- 3-Bromo-2-(4,4-difluoropiperidin-1-yl)nitrobenzene (CAS 1707581-00-7)
- 7-bromo-4-methoxy-2-methyl-benzofuran (CAS 2640070-68-2)
- Des-Pro36-37-Tirzepatide (CAS CATO-CPTD788938)
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