| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 98-37-3 | 3-氨基-4-羟基苯磺酸 | 3-Amino-4-hydroxybenzenesulfonic acid | C6H7NO4S·0.5H2O | 198.20 | 300℃ | |
| 98-40-8 | | 2-(ethylamino)toluene-4-sulphonic acid | | | | |
| 98-42-0 | 3-氨基-4-甲氧基苯磺酸 | 3-amino-4-methoxy-Benzenesulfonic acid | C7H9NO4S | 203.22 | 305℃ | |
| 98-43-1 | 2-氨基-4-磺基苯甲酸 | 2-amino-4-sulfo-Benzoic acid | C7H7NO5S | | | |
| 98-44-2 | 2-氨基-1,4-苯二磺酸 | 2-Amino-1,4-benzenedisulfonic acid | C6H7NO6S2 | 253.26 | | |
| 98-46-4 | 间硝基三氟甲苯 | 3-nitro-alpha,alpha,alpha-trifluoro-toluen | C7H4F3NO2 | 191.11 | | 200-205℃ |
| 98-47-5 | 防染盐S | 3-Nitrobenzene sulfonic acid | C6H5NO5S | | | |
| 98-48-6 | 1,3-苯二磺酸 | 1,3-Benzenedisulfonic acid | C6H6O6S2 | 238.23 | | |
| 98-49-7 | 对过氧化氢二异丙苯 | p-Diisopropylbenzene hydroperoxide | C6H8N2SO3 | 188 | | |
| 98-50-0 | 4-氨基苯胂酸 | (4-aminophenyl)-Arsonic acid | C6H8AsNO3 | 217.05 | 230-233℃ | |
| 98-51-1 | 4-叔丁基甲苯 | 1-(1,1-dimethylethyl)-4-methyl-Benzene | C11H16 | 148.24 | -54-193℃ | 189-192℃ |
| 98-52-2 | 4-(1,1-二甲基乙基)环己醇 | 4-(1,1-dimethylethyl)-Cyclohexanol | C10H20O | 156.26 | 60-69℃ | 110-115℃ |
| 98-53-3 | 4-叔丁基-环己酮 | 4-(1,1-dimethylethyl)-Cyclohexanone | C10H18O | 154.25 | 48-51℃ | 113-116℃ |
| 98-54-4 | 对叔丁基苯酚 | 4-tert-Butyl phenol | C10H14O | 150.22 | 96-100℃ | 236-238℃ |
| 98-55-5 | α,α-4-三甲基-3-环己烯-1-甲醇 | .alpha.,.alpha.-4-trimethyl-3-Cyclohexene-1-methanol | C10H18O | 154.25 | 31℃ | 214-224℃ |
| 98-56-6 | 对氯三氟甲苯 | p-Trifluoromethyl chlorobenzene | C7H4ClF3 | 180.56 | -36-138℃ | 136-138℃ |
| 98-57-7 | 4-氯苯基甲基砜 | sulfone, p-chlorophenyl methyl | C7H7ClO2S | 190.65 | 95-96℃ | |
| 98-58-8 | 4-溴苯磺酰氯 | 4-bromo-benzenesulfonyl chlorid | C6H4BrClO2S | 255.52 | 74-77℃ | 153℃(15 |
| 98-59-9 | 对甲苯磺酰氯 | p-Toluene sulfochloride | C7H7ClO2S | 190.65 | 67-68℃ | 134℃(10 |
| 98-60-2 | 4-氯苯磺酰氯 | p-chloro-benzenesulfonyl chlorid | C6H4Cl2O2S | 211.07 | 47-52℃ | 141℃(15 |
| 98-61-3 | 4-碘苯磺酰氯 | 4-iodo-benzenesulfonyl chlorid | C6H4ClIO2S | 302.52 | 80-84℃ | |
| 98-62-4 | | 4-amino-benzenesulfonyl fluorid | C6H6FNO2S | 175.17 | | |
| 98-64-6 | 对氯苯磺酰胺 | p-chloro-benzenesulfonamid | C6H6ClNO2S | 191.64 | | |
| 98-66-8 | 对氯苯磺酸 | 4-Chlorobenzenesulfonec acid | C6H5ClO3S | 192.62 | 102℃ | 149℃(22 |
| 98-67-9 | 4-羟基苯磺酸 | Phenol-4-sulfonic acid | C6H6O4S | 174.17 | | |
| 98-68-0 | 4-甲氧基苯磺酸氯 | 4-methoxybenzenesulfonyl chloride | C7H7ClO3S | 206.65 | 36-41℃ | 173℃(14 |
| 98-69-1 | 4-乙基苯磺酸 | 4-ethyl-Benzenesulfonic acid | C8H10O3S | | | |
| 98-71-5 | 4-肼基苯磺酸 | 4-Hydrazinobenzenesulfonic acid | C6H8N2O3S | 188.21 | 285-205℃ | |
| 98-72-6 | 对硝基苯胂酸 | p-nitro-benzenearsonic aci | C6H6AsNO5 | 247.04 | | |
| 98-73-7 | 4-叔丁基苯甲酸 | 4-(1,1-dimethylethyl)-Benzoic acid | C11H14O2 | 178.23 | 165-167℃ | |
| 98-74-8 | 对硝基苯磺酰氯 | 4-Nitrobenzenesulfonyl chloride | C6H4ClNO4S | 221.62 | 75-80℃ | 143-144℃ |
| 98-75-9 | | propazolamide | | | | |
| 98-77-1 | 1-哌啶二硫代羧酸与哌啶(1:1)的化合物 | 1-Piperidinecarbodithioic acid, compd. with piperidine (1:1) | C6H11NS2·C5H11N | 246.42 | | |
| 98-78-2 | | 3-oxo-1-cyclopentanecarboxylic acid | | | 59-62℃ | |
| 98-79-3 | 5-氧代-L-脯氨酸 | L-Pyroglutamic acid | C5H7NO3 | 129.11 | 152-162℃ | |
| 98-80-6 | 苯基代硼酸 | Phenyboronic acid;Benzenebcronic acid | C6H7BO2 | 121.93 | 217-220℃ | |
| 98-81-7 | | alpha-bromo-styren | C8H7Br | 183.04 | | 67℃(4 to |
| 98-82-8 | 异丙苯 | Isopropyl benzene | C9H12 | 120.19 | 96-154℃ | 152-154℃ |
| 98-83-9 | 2-苯丙烯 | 2-Phenylpropene | C9H10 | 118.18 | -23-166℃ | 165-169℃ |
| 98-84-0 | 1-苯乙胺 | alpha-methyl-benzylamin | C8H11N | 121.18 | | |
| 98-85-1 | α-苯乙醇 | alpha-methyl-benzyl alcoho | C8H10O | 122.16 | | |
| 98-86-2 | 苯乙酮 | 1-phenyl-Ethanone | C8H8O | 120.15 | | |
| 98-87-3 | 苄叉二氯 | (dichloromethyl)benzene | C7H6Cl2 | 161.03 | | |
| 98-88-4 | 苯甲酰氯 | Benzoyl chloride | C7H5ClO | 140.57 | | |
| 98-89-5 | 环己基甲酸 | Hexahyl carbonic acid | C7H12O2 | 128.17 | | |
| 98-91-9 | 硫代苯甲酸 | thio-benzoic aci | C7H6OS | 138.19 | 15-18℃ | 122℃(30 |
| 98-92-0 | 烟碱胺 | Niacinamide | C6H6N2O | 122.12 | | |
| 98-94-2 | N,N-二甲环己胺 | N,N-dimethyl-Cyclohexanamine | C8H17N | 127.23 | -60℃ | 160℃ |
| 98-95-3 | 硝基苯 | Nitrobenzene | C6H5NO2 | 123.11 | 5-6℃ | 210-211℃ |
| 98-96-4 | 羧酸胺 | 2-carbamyl pyrazine | C5H5N3O | 123.11 | 188-191℃ | |
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