Lamivudine Impurity B((2R,5R)-Isomer)
Impurity reference standard · Lamivudine
- CAS number
- 139757-68-9
- Molecular formula
- C8H11N3O3S
- Molecular weight
- 229.26
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Lamivudine Impurity B((2R,5R)-Isomer)
Lamivudine Impurity B((2R,5R)-Isomer) is a specified impurity of Lamivudine. It is registered under CAS number 139757-68-9.
The compound is characterised by its molecular formula C8H11N3O3S and a molecular weight of 229.26, with the two-dimensional structure shown above. Because it shares the Lamivudine scaffold, it is typically used to track process-related and degradation impurities of Lamivudine 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 Lamivudine impurities
The same parent compound, neighbouring impurity numbers.
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