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Table 3 Production and QC results of the pilot batches

From: Synthesis of an Al18F radiofluorinated GLU-UREA-LYS(AHX)-HBED-CC PSMA ligand in an automated synthesis platform

 

\( {1}^{\underline{0}} \)

\( {2}^{\underline{0}} \)

\( {3}^{\underline{0}} \)

\( {4}^{\underline{0}} \)

\( {5}^{\underline{0}} \)

\( {6}^{\underline{0}} \)

\( {7}^{\underline{0}} \)

Production parameters

 Activity produce by cylotron(MBq)

17,700

34,400

57,500

50,600

50,600

59,200

80,000

 Final Activity(MBq)

2,660

5,760

7,800

10,270

9,580

13,140

17,350

 Final volume(mL)

5.80

6.16

6.09

5.13

4.20

5.71

5.75

 Yield(EOS)(%)

15.0

16.8

13.6

20.3

18.9

22.2

21.7

QC parameters

 pH

7.0

7.0

7.0

7.0

7,0

7.0

7.0

 Radiochemical purity(%)

92.8

100

96.8

94.0

95.1

96.2

91.7

 Residual solvent

OK

OK

OK

OK

OK

OK

OK

 Ethanol(%)

6.0

5.6

5.9

5.0

5.2

4.1

4.8

 t1/2(min)

107

108

110

115

109

109

107

 Pyrogen (EU/mL)

< 10

< 10

< 13.3

< 10

< 10

< 10

< 10

 Sterility

sterile

sterile

sterile

sterile

sterile

sterile

sterile

 Specific activity (GBq/umol)

58

180

210

357

329

412

544