4-Chloro-5-sulphamoylbenzoic acid
Product Name 4-Chloro-5-sulphamoylbenzoic acid
CAS1205-30-7
MFC7H6ClNO4S
MW235.64
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MassMS-IW-3630 3-sulfamoyl-4-chlorobenzoic acid C7H6ClNO4S (Mass of molecular ion: 235)
Source Temperature: 150 °C Sample Temperature: 130 °C Direct, 75 eV
16.0 1.3 17.0 1.9 18.0 7.7 28.0 3.9 32.0 1.3 36.0 2.5 37.0 2.6 38.0 3.2 39.0 4.7 44.0 3.4 45.0 6.3 46.0 1.6 47.0 1.0 48.0 4.3 49.0 2.7 50.0 13.6 51.0 7.3 52.0 1.5 53.0 4.4 55.0 2.1 61.0 3.2 62.0 4.8 63.0 18.4 64.0 25.2 65.0 3.2 66.0 1.7 68.0 1.1 69.0 3.7 72.0 1.2 73.0 21.0 74.0 33.4 75.0 47.6 76.0 4.6 77.0 1.4 79.0 1.2 80.0 4.6 81.0 1.2 84.0 7.3 85.0 3.4 86.0 2.8 87.0 2.6 89.0 1.1 90.0 4.5 91.0 3.9 92.0 4.4 93.0 1.1 95.0 2.4 97.0 1.2 98.0 1.7 99.0 91.8 100.0 6.7 101.0 30.6 102.0 3.1 103.0 2.1 107.0 1.3 108.0 2.7 109.0 12.1 110.0 15.4 111.0 7.7 112.0 5.4 113.0 1.6 115.0 3.2 117.0 1.3 118.0 1.1 119.0 2.5 120.0 1.3 124.0 1.3 125.0 2.0 126.0 6.6 127.0 15.3 128.0 3.7 129.0 5.5 135.0 1.4 136.0 11.4 137.0 4.4 138.0 2.7 139.0 4.3 140.0 1.3 141.0 1.9 142.0 1.7 143.0 3.6 144.0 1.6 145.0 1.3 152.0 4.8 153.0 6.1 154.0 5.7 155.0 73.2 156.0 8.7 157.0 24.3 158.0 2.6 171.0 39.2 172.0 67.2 173.0 18.7 174.0 22.4 175.0 2.5 190.0 1.0 200.0 15.9 201.0 1.8 218.0 8.3 219.0 24.3 220.0 5.2 221.0 9.2 234.0 1.0 235.0 100.0 236.0 9.5 237.0 37.8 238.0 3.5 239.0 1.8
400 MHz in DMSO-d6
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1H NMR 399.65 MHz C7 H6 Cl N O4 S 0.042 g : 0.5 ml DMSO-d6 3-sulfamoyl-4-chlorobenzoic acid 
Assign. Shift(ppm)
A 13.6 B 8.541 C 8.124 D 7.82 E 7.801 J(B,C)=2.1HZ J(C,E)=8.3HZ
Hz ppm Int.3414.67 8.545 765 3412.53 8.539 774 3252.49 8.139 478 3250.35 8.133 467 3246.93 8.125 32 3244.15 8.118 491 3242.01 8.113 501 3124.27 7.818 987 3121.50 7.811 1000 3113.16 7.790 731
in DMSO-d6
KBr disc
nujol mull
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