| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 490-63-1 | | 2-formyl-4,5-dimethoxy-benzoic acid | C10H10O5 | 210.18 | | |
| 490-64-2 | 杏仁酸 | Asaronic acid | C10H12O5 | 212.2018 | 143-145℃ | 300℃ |
| 490-65-3 | | naphthalene,1-methyl-7-(1-methylethyl)- | C14H16 | 184.28 | | |
| 490-66-4 | | methyl 2-(2-chloro-1,1,2-trifluoroethoxy)benzoate | | | | |
| 490-67-5 | 冬绿苷 | gaultherin | C19H26O12 | 446.4 | 180 °C | 709.0±60.0 °C(Predicted) |
| 490-75-5 | | homoquinolinic acid | C8H7NO4 | 181.14 | | |
| 490-78-8 | 2',5'-二羟基苯乙酮 | 2',5'-dihydroxy-acetophenon | C8H8O3 | 152.15 | 203-208℃ | |
| 490-79-9 | 2,5-二羟基苯甲酸 | 2,5-dihydroxy-Benzoic acid | C7H6O4 | 154.12 | 204-207℃ | |
| 490-82-4 | | 3-((4-amino-2-methyl-5-pyrimidinyl)methyl)-5-(2-hydroxyethyl)-(3h)-thiazolon | C12H16N4O2S | 280.35 | | |
| 490-83-5 | | dehydroascorbicacid | C6H6O6 | 174.11 | 228 °C (dec.) (lit.) | |
| 490-89-1 | | noradrenochrome | | | | |
| 490-91-5 | | 4-dione, 2-methyl-5-(1-methylethyl)-5-cyclohexadiene-1 | C10H12O2 | 164.20 | 44-47℃ | 230-232℃ |
| 490-97-1 | | 2-fluoro-benzoic aci sodium salt | C7H4FNaO2 | 162.0936 | | |
| 490-98-2 | | p-(butylamino)-salicylic aci 2-(dimethylamino)ethyl ester | | | | |
| 490-99-3 | | 5-methyl-2-(1-methylethyl)-, (1 alpha,2 beta,5 beta)-cyclohexano | | | | |
| 4900-26-9 | | 5-(2-amino-ethyl)-2-hydroxy-benzoic acid hydrobromide | C9H11NO3 | 181.18 | | |
| 4900-30-5 | | 1,8-nonadiene | C9H16 | 124.22 | | 132℃ |
| 4900-33-8 | | 5-{[(1H-1,2,3,4-tetraazol-5-ylmethyl)thio]methyl}-1H-1,2,3,4-tetraazole | C4H6N8S | | | |
| 4900-38-3 | 2-乙酰氨基-2-((2-氧代-1,2-二氢喹啉-4-基)甲基)丙二酸二乙酯 | diethyl 2-acetamido-2-((2-oxo-1,2-dihydroquinolin-4-yl)methyl)malonate | C19H22N2O6 | 374.39 | | |
| 4900-63-4 | | 1-Methoxy-4-nitro-naphthalene | C11H9NO3 | 203.19 | 83-85℃ | |
| 4900-66-7 | 2-甲氧基-1-硝基萘 | 2-Methoxy-1-nitronaphthalene | | | | |
| 4900-81-6 | | 4-cyclohexanediamine, n,n'-bis(cyclohexylethyl)- diacetate | | | | |
| 490021-97-1 | | 3-(4-chlorophenoxy)azetidine hcl | C9H11Cl2NO | 220.0957 | | |
| 490023-37-5 | (s)-(+)-苄基(3,5-二氧杂-4-磷杂-环庚[2,1-a;3,4-a′]二萘-4-基)甲胺 | | C28H22NO2P | 435.45 | 155 - 159 ℃ | 635.418 ℃ at 760 mmHg |
| 490027-02-6 | | (4-bromo-phenyl)-pyrrolidin-1-yl-acetic acid | | | | |
| 490030-16-5 | 4-氯-5-(4-苯氧基苯基)-7-(1,4-二氧杂螺[4.5]癸烷-8-基)-7H-吡咯并[2,3-d]嘧啶 | 4-chloro-5-(4-phenoxyphenyl)-7-(1,4-dioxaspiro[4.5]decan-8-yl)-7H-pyrrolo[2,3-d]pyrimidine | C26H24ClN3O3 | 461.95 | | |
| 490030-46-1 | 1-(4-(三氟甲氧基)苯基)哌嗪盐酸盐 | 1-(4-(trifluoromethoxy)phenyl)piperazine hydrochloride | C11H14ClF3N2O | 282.69 | | |
| 490034-62-3 | | (S)-3-amino-3-(o-tolyl)propanoic acid hydrochloride | | | | |
| 490034-67-8 | (S)-3-氨基-3-(2-羟基苯基)丙酸盐酸盐 | (S)-3-Amino-3-(2-hydroxyphenyl)propanoic acid hydrochloride | C9H12ClNO3 | 217.65 | | |
| 490034-68-9 | (S)-3-氨基-3-(3-羟基苯基)丙酸 盐酸盐 | (S)-3-Amino-3-(3-hydroxyphenyl)propanoic acid hydrochloride | C9H12ClNO3 | 217.65 | | |
| 490034-80-5 | | (S)-3-amino-3-(3-fluorophenyl)propanoic acid hcl | | | | |
| 490034-83-8 | (S)-3-氨基-3-(3-氯苯基)丙酸 盐酸盐 | (S)-3-Amino-3-(3-chlorophenyl)propanoic acid hydrochloride | C9H11Cl2NO2 | 236.1 | | |
| 490034-86-1 | (3S)-3-氨基-3-[3-(三氟甲基)苯基]丙酸盐酸盐 | (3S)-3-Amino-3-[3-(trifluoromethyl)phenyl]propanoic acid hydrochloride | C10H10NO2F3.HCl | 269.6400 | | |
| 490035-79-5 | 3-(4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯基)丙酸乙酯 | Ethyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanoate | | | | |
| 490035-82-0 | 3-(4-(4,4,5,5-四甲基-1,3,2-二氧硼杂环戊烷-2-基)苯基)丙酸甲酯 | Methyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)propanoate | C16H23BO4 | 290.16 | | 379.3±25.0°C at 760 mmHg |
| 490038-59-0 | | 2-chloro-5-(2,6-difluorobenzoyl)pyridine | | | | |
| 490039-71-9 | 3,6-二碘邻苯二甲腈 | 3,6-Diiodophthalonitrile | C8H2I2N2 | 379.92 | | |
| 490039-72-0 | 3-氰-4-碘吡啶 | 3-cyano-4-iodopyridine | C6H3IN2 | 230.01 | | |
| 490039-73-1 | | 2-iodonicotinonitrile | | | | |
| 490039-83-3 | | 2-iodo-4-methoxybenzonitrile | C8H6INO | 259.04 | | |
| 4901-03-5 | | narceine hydrochloride | C23H27NO8 | 445.46 | | |
| 4901-51-3 | | 2,3,4,5-Tetrachlorophenol solution | C6H2Cl4O | 231.89 | | |
| 4901-75-1 | | 3-ethyl-3-methyl-diaziridin | | | | |
| 4903-09-7 | 3-氯-4-甲氧基苯甲醛 | 3-Chloro-4-methoxybenzaldehyde | CH3OC6H3ClCHO | 170.59 | 56-60 ℃(lit.) | 269.1°C |
| 4903-36-0 | n-苯基亚胺苄基氯 | n-phenylbenzimidoyl chloride | | | | |
| 4903-95-1 | | 2-pyridin-2-yl-cyclopropanecarboxylic acidethylester | | | | |
| 4904-00-1 | | (e)-methano | | | | |
| 4904-21-6 | 4-环丙基吡啶 | 4-cyclopropylpyridine | | | | |
| 4904-61-4 | 1,5,9-环十二烷三烯 | cyclododeca-1,5,9-triene | C12H18 | 162.27 | 33-35 °C(lit.) | 237-238 °C(lit.) |
| 4905-45-7 | | 3α-Hydroxy-12,29-cycloolean-12-en-29-one acetate | C32H48O3 | 480.72 | | |
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