Methylphenidate EP Impurity B CAS 20748-12-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20748-12-3 |
| Molecular Formula | C14H19NO2 |
| Molecular Weight | 233.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methylphenidate EP Impurity B (CAS 20748-12-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H19NO2. Molecular weight: 233.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H19NO2 |
| Molecular Weight | 233.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 1 |
Related Methylphenidate Standards
- Methylphenidate (CAS 20748-11-2)
- Methylphenidate D10 (CAS 1246912-03-7)
- Methylphenidate-d9 (CAS 1219908-85-6)
- Methylphenidate EP Impurity E (CAS 99088-55-8)
- Methylphenidate EP Impurity C (CAS 50288-62-5)
- Methylphenidate Hydrochloride - Impurity D (CAS 50288-63-6)
- Methylphenidate Impurity 2 (CAS 5562-61-8)
- Methylphenidate EP Impurity F (CAS 7251-52-7)
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