luorescein Impurity 2 CAS CATO-C4X-29002
| CAS No. | CATO-C4X-29002 |
| Molecular Formula | C20H8O7 |
| Molecular Weight | 360.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including luorescein Impurity 2.
As a process- or degradation-related impurity, luorescein Impurity 2 (CAS CATO-C4X-29002, C20H8O7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
luorescein Impurity 2 (C20H8O7) contains a flavonoid core, 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. 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).
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 luorescein Impurity 2 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 | C20H8O7 |
| Molecular Weight | 360.27 g/mol |
| Appearance | Pale yellow to 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Recommended Standards
- N-(4-Bromophenyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4-amine (CAS 293766-33-3)
- 2-(1-(3,4-Dichlorobenzyl)piperidin-4-yl)-1H-benzo[d]imidazole (CAS 887217-17-6)
- Ethyl 2-(4-(3-oxobenzo[d][1,2]selenazol-2(3H)-yl)phenyl)acetate (CAS 81743-96-6)
- 4,4'-Diamino-[1,1'-biphenyl]-3,3',5,5'-tetracarboxylicacid (CAS 2794988-88-6)
- Anamorelin Impurity 14 (CAS CATO-C4X-285914)
- Prilocaine Impurity N3 (CAS 147372-41-6)
- Iopamidol Impurity 56 (CAS CATO-C4X-145056)
- 3-(Diethylamino)benzenesulfonic acid sodium salt (CAS 5123-63-7)
- Benzyl (2-ethynylpyridin-4-yl)carbamate (CAS 2680790-87-6)
- (4-Ethylthiazol-2-yl)methanamine (CAS 936940-69-1)
- Methyl 3,5-dichloro-4-fluorophenylacetate (CAS 1803854-76-3)
- 2-(Naphthalen-2-yl)quinoline (CAS 47077-29-2)
- 2-((5,6-Diphenyl-1,2,4-triazin-3-yl)thio)acetamide (CAS 335215-64-0)
- Peptide 74 (H-8545.0500) (CAS 132116-39-3)
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