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Table 4 Elemental analysis and metal estimation of pipemidic acid and its metal complexes

From: Synthesis, characterization, and antibacterial studies of pipemidic acid metal complexes

Empirical formula (formula weight)

%C

%H

%N

%Metal

C28H34N10O6 (606.64)

55.54

5.65

23.09

0.00

C28H34N10O6Mg

53.34

5.40

22.26

3.85

(630.95)

(53.31)

(5.44)

(22.22)

(3.81)

C28H34N10O6Ca

52.05

5.26

21.73

6.21

(646.72)

(51.99)

(5.30)

(21.67)

(6.18)

C28H34N10O6Cr

51.11

5.23

21.35

7.88

(658.64)

(51.06)

(5.20)

(21.27)

(7.89)

C28H34N10O6Mn

50.79

5.22

21.21

8.31

(661.58)

(50.83)

(5.18)

(21.17)

(8.30)

C28H34N10O6Fe

50.80

5.23

21.20

8.43

(662.49)

(50.76)

(5.17)

(21.14)

(8.43)

C28H34N10O6Co

50.50

5.20

21.06

8.88

(665.57)

(50.53)

(5.15)

(21.04)

(8.85)

C28H34N10O6Ni

50.65

5.19

21.01

8.83

(665.33)

(50.55)

(5.15)

(21.05)

(8.82)

C28H34N10O6Cu

50.11

5.15

20.83

9.50

(670.19)

(50.18)

(5.11)

(20.90)

(9.48)

C28H34N10O6Zn

50.10

5.12

20.90

9.72

(672.02)

(50.04)

(5.10)

(20.84)

(9.73)

C28H34N10O6Cd

46.71

4.74

19.53

15.62

(719.05)

(46.77)

(4.77)

(19.48)

(15.63)

(Expected)