Loratadine Impurity 28 CAS 3964-81-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3964-81-6 |
| Molecular Formula | C20H22N2 |
| Molecular Weight | 290.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Loratadine Impurity 28 (CAS 3964-81-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C20H22N2. Molecular weight: 290.40 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C20H22N2 |
| Molecular Weight | 290.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Loratadine Standards
- Loratadine impurity 87 (CAS 130642-54-5)
- Loratadine Impurity 7 (CAS 133330-61-7)
- Loratadine Impurity 15 (CAS 133330-60-6)
- Loratadine Impurity 96 (CAS CATO-C4X-142696)
- Loratadine EP Impurity D (CAS 100643-71-8)
- Loratadine Impurity 76 (CAS CATO-C4X-142676)
- Loratadine Impurity 53 (CAS 107285-30-3)
- Loratadine Impurity 68 (CAS 133345-21-8)
Recommended Standards
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- Insulin Degludec Impurity 25 (CAS CATO-C4X-215725)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com