Loratadine EP Impurity B CAS 31251-41-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 31251-41-9 |
| Molecular Formula | C14H10ClNO |
| Molecular Weight | 243.69 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Loratadine EP Impurity B (CAS 31251-41-9), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C14H10ClNO. Molecular weight: 243.69 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C14H10ClNO |
| Molecular Weight | 243.69 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Loratadine Standards
- Loratadine impurity 85 (CAS 3964-84-9)
- Loratadine impurity 86 (CAS 31251-43-1)
- Loratadine Impurity 18 (CAS 31255-57-9)
- Loratadine Impurity 74 (CAS 31255-58-0)
- Loratadine Impurity 90 (CAS 133330-72-0)
- Loratadine Impurity 31 (CAS 31255-47-7)
- Loratadine Impurity B (CAS 38093-12-8)
- Loratadine Impurity 68 (CAS 133345-21-8)
Recommended Standards
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- Picosulfate Impurity 33 (CAS CATO-C4X-123733)
- Halometasone impurity 16 (CAS CATO-C4X-144616)
- Fluorescent Brightener 264 (Technical Grade) (CAS 68971-49-3)
- 4-[2-(2-Methoxy-phenyl)-ethyl]-piperidine 654662-91-6 7491AE C14H21NO (CAS 654662-91-6)
- 1-(4-methoxyphenyl)-3-methyl-6-phenyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid (CAS 1011397-71-9)
- 2-{[(Butan-2-yl)amino]methyl}phenol hydrochloride (CAS 855350-91-3)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
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 13829788188 / jacky.chen@cato-chem.com