Paracetamol EP Impurity B
Impurity reference standard · Paracetamol
- CAS number
- 1693-37-4
- Molecular formula
- C9H11NO2
- Molecular weight
- 165.19
- Purity
- 95%+
- Appearance
- Black Solid
- Storage
- 2℃ ~ 8℃
About Paracetamol EP Impurity B
Paracetamol EP Impurity B is a specified impurity of Paracetamol. It is registered under CAS number 1693-37-4.
The compound is characterised by its molecular formula C9H11NO2 and a molecular weight of 165.19, with the two-dimensional structure shown above. Because it shares the Paracetamol scaffold, it is typically used to track process-related and degradation impurities of Paracetamol during method development, forced degradation and stability studies.
Each pack ships with a certificate of analysis reporting purity of 95%+ together with the supporting analytical data — HNMR, MS and HPLC or GC traces — so the material can be released straight into your own QC workflow. Recommended storage: 2℃ ~ 8℃.
Available from stock in milligram to gram quantities; larger or custom synthesis requirements are quoted on request.
Other Paracetamol impurities
The same parent compound, neighbouring impurity numbers.
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