Input the number of 13C NMR peaks in each chemical shift region:


206-220 (ppm):
195-205 (ppm):
190-194 (ppm):
160-189 (ppm):
125-159 (ppm):
100-124 (ppm):
70-99 (ppm):
55-69 (ppm):
30-54 (ppm):
25-29 (ppm):
0-24 (ppm):

Click one of the buttons to choose an algorythm and submit your data