Pemetrexed Impurity 22
Impurity reference standard · Pemetrexed
- CAS number
- 1075-59-8
- Molecular formula
- C5H7N3O3
- Molecular weight
- 157.13
- Purity
- 95%+
- Appearance
- White to Off-White Solid
- Storage
- 2℃ ~ 8℃
About Pemetrexed Impurity 22
Pemetrexed Impurity 22 is a specified impurity of Pemetrexed. It is registered under CAS number 1075-59-8.
The compound is characterised by its molecular formula C5H7N3O3 and a molecular weight of 157.13, with the two-dimensional structure shown above. Because it shares the Pemetrexed scaffold, it is typically used to track process-related and degradation impurities of Pemetrexed 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 Pemetrexed impurities
The same parent compound, neighbouring impurity numbers.
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