Phloroglucinol impurity 48 CAS CATO-C4X-221748
| CAS No. | CATO-C4X-221748 |
| Molecular Formula | C11H10O5 |
| Molecular Weight | 222.19 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 Phloroglucinol impurity 48.
Phloroglucinol impurity 48 (CAS CATO-C4X-221748) is a certified pharmaceutical impurity reference standard with the molecular formula C11H10O5 and a molecular weight of 222.19 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, Phloroglucinol impurity 48 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 222.19 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
CATO manufactures Phloroglucinol impurity 48 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 | C11H10O5 |
| Molecular Weight | 222.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
Related Phloroglucinol Standards
- Phloroglucinol impurity 49 (CAS CATO-C4X-221749)
- Phloroglucinol impurity 50 (CAS CATO-C4X-221750)
- Phloroglucinol Impurity 68 (CAS CATO-C4X-221768)
- Phloroglucinol Impurity 7 (CAS 203645-99-2)
- Phloroglucinol Impurity 57 (CAS 738614-23-8)
- Phloroglucinol impurity 44 (CAS 23957-21-3)
- Phloroglucinol Impurity 58 (CAS 221652-95-5)
- Phloroglucinol impurity 59 (CAS 1521-62-6)
Recommended Standards
- Aspirin Impurity 8 (CAS 18698-59-4)
- Tomentin (CAS 28449-62-9)
- Reticulol (CAS 26246-41-3)
- Methyl 5-hydroxy-1-oxoisochromane-7-carboxylate (CAS 2864326-32-7)
- Rivaroxaban Impurity 35 (CAS CATO-C4X-109035)
- Losartan Impurity 27 (CAS CATO-C4X-168327)
- Cefotaxime Impurity 82 (CAS CATO-C4X-120182)
- N-(4-Fluorophenyl)-3-((4-methoxyphenyl)thio)propanamide (CAS 941908-93-6)
- Homomenthyl salicylate(Mixture of isomers) (CAS 118-56-9)
- 5-(4-Iodophenyl)oxazol-2-amine (CAS 2091368-87-3)
- Phe-Lys(Fmoc)-PAB (CAS 2149584-03-0)
- (S)-2-amino-3-(o-tolyl)propan-1-ol (CAS 938462-33-0)
- 7-Bromo-5-fluoroisoquinoline (CAS 2059937-78-7)
- endo-Gly31-Semaglutide (CAS CATO-C4X-2226282)
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