Mycophenolate Impurity 22 CAS CATO-C4X-151522
| CAS No. | CATO-C4X-151522 |
| Molecular Formula | C16H20O7 |
| Molecular Weight | 324.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 supplies Mycophenolate Impurity 22 (CAS CATO-C4X-151522), a pharmacopoeial impurity reference standard (molecular formula C16H20O7, MW 324.33 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Mycophenolate Impurity 22 (C16H20O7) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H20O7 |
| Molecular Weight | 324.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Mycophenolate Standards
- Mycophenolate Impurity 24 (CAS CATO-C4X-151524)
- Mycophenolate Mofetil Impurity 14 (CAS 33431-38-8)
- Mycophenolate Mofetil Impurity 15 (CAS 24243-38-7)
- Mycophenolate Mofetil EP Impurity H (CAS 79081-87-1)
- Mycophenolate Mofetil EP Impurity H (CAS 26675-76-3)
- Mycophenolate EP Impurity B (CAS 2767988-82-7)
- Mycophenolate Mofetil EP Impurity E (CAS 31858-66-9)
- Mycophenolate Mofetil Impurity 17 (CAS 26644-06-4)
Recommended Standards
- (S)-7-Hydroxy Warfarin (CAS 63740-81-8)
- N-Nitroso Ivabradine impurity 96 (CAS CATO-C4X-111996)
- Warfarin impurity 16 (CAS CATO-C4X-17816)
- Gefitinib Impurity 27 (CAS 861453-12-5)
- Metaraminol Impurity 30 (CAS 54-49-9)
- Deoxycholic acid Impurity 7 (CAS 13002-75-0)
- Dabigatran Impurity 104 (CAS CATO-C4X-1089104)
- Ethyl 5-cyano-2,4-diphenyl-6-thioxo-1,4,5,6-tetrahydro-3-pyridinecarboxylate (CAS 105199-50-6)
- 3,5-Difluoro-2-(trifluoromethoxy)aniline (CAS 1806372-29-1)
- (3S)-3-(tert-butoxycarbonylamino)-3-cyclopropyl-propanoic acid (CAS 1260604-09-8)
- 3-Methyl-4-oxo-3,4-dihydroquinazoline-7-carboxylic acid (CAS 1060817-67-5)
- 3-Methyl-N-(2-(4-methylcyclohexyl)ethyl)butan-1-amine (CAS 1339155-59-7)
- 3-(1,1-Difluoropropyl)pyrazin-2-amine (CAS 2088945-80-4)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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