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  <xs:element id="cpix_IncentiveStockOptionsMember" abstract="true" name="IncentiveStockOptionsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cpix_KristaloseMember" abstract="true" name="KristaloseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cpix_TheCoronavirusAidReliefAndEconomicSecurityActLoanProceedsReceived" abstract="false" name="TheCoronavirusAidReliefAndEconomicSecurityActLoanProceedsReceived" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cpix_DenominatorAbstract" abstract="true" name="DenominatorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cpix_IncreaseDecreaseInCurrentOperatingLiabilities" abstract="false" name="IncreaseDecreaseInCurrentOperatingLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cpix_ScheduleofRentExpenseandSubleaseIncomeTableTextBlock" abstract="false" name="ScheduleofRentExpenseandSubleaseIncomeTableTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType"/>
  <xs:element id="cpix_CaldolorMember" abstract="true" name="CaldolorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
  <xs:element id="cpix_LineOfCreditFacilityMaximumBorrowingCapacityIncreaseAmount" abstract="false" name="LineOfCreditFacilityMaximumBorrowingCapacityIncreaseAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cpix_NumeratorAbstract" abstract="true" name="NumeratorAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="cpix_LesseeOperatingLeaseLiabilityToBePaidAfterYearThree" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="cpix_PinnacleBankMember" abstract="true" name="PinnacleBankMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="nonnum:domainItemType"/>
</xs:schema>
