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. Author manuscript; available in PMC: 2015 Jan 1.
Published in final edited form as: Am J Obstet Gynecol. 2013 Nov 4;210(1):47.e1–47.e7. doi: 10.1016/j.ajog.2013.09.039

Table 4. Unspecified impurity analysis of compounded 17-OHPC*.

Sample Impurity 1 % 17-OHPC Impurity 2 % 17-OHPC Impurity 3 % 17-OHPC Total unspecified impurities % 17-OHPC
1 0.03 0.16 0.05 0.24
2 0.11 0.14 0.04 0.29
3 0.08 0.01 0.06 0.15
4 0 0.04 0 0.04
5 0.01 0.30 0.04 0.35
6 0 0.20 0.02 0.22
7 0 0.07 0 0.07
8 0.04 0.03 0.01 0.08
9 0 0.05 0.02 0.07
10 0 0.06 0.02 0.08
11 0.02 0.20 0.01 0.23
12 0.04 0.03 0 0.07
13 0.07 0.10 0 0.17
14 0.07 0.08 0 0.15
15 0.20 0.05 0.03 0.28
16 0.02 0.16 0 0.18
17 0 0.07 0 0.07
18 0 0.07 0 0.07
Mean ± SD 0.04 ± 0.05 0.10 ± 0.08 0.02 ± 0.02 0.16 ± 0.09
Median 0.02 0.01 0.15
*

Quantification at wavelength of 242 nm

Impurity 1 – retention time 2.9 minutes Impurity

Impurity 2 – retention time 3.8 minutes Impurity

Impurity 3 – retention time 6.7 minutes