| 1 | 3998-04-7 | 9-烯丙基-9H-咔唑 | 9-ALLYLCARBAZOLE | C15H13N | 咔唑 | |
| 2 | 3998-25-2 | Acetyl isocyanate | Acetyl isocyanate | C3H3NO2 | | |
| 3 | 3998-50-3 | dipotassium tetrahydrogen [nitrilotris(methylene)]trisphosphonate | dipotassium tetrahydrogen [nitrilotris(methylene)]trisphosphonate | C3H10K2NO9P3 | | |
| 4 | 3998-58-1 | [2-(5-甲氧基-1H-苯并咪唑-2-基)乙基]胺二盐酸盐 | 1H-Benzimidazole-2-ethanamine,5-methoxy-(9CI) | C10H13N3O | | |
| 5 | 3998-77-4 | | 3-Azabicyclo[3.2.2]nonane, 3-(3,3-diphenylpropyl)-, hydrochloride (1:1) | C23H29N.ClH | | |
| 6 | 3998-88-7 | 6-甲基-2-氯异烟酸乙酯 | Ethyl 2-chloro-6-methylpyridine-4-carboxylate | C9H10ClNO2 | 其它杂环 | |
| 7 | 3998-90-1 | 2-氯-6-甲基异烟酸甲酯 | Methyl 2-chloro-6-methylpyridine-4-carboxylate | C8H8ClNO2 | 吡啶;医药中间体;吡啶衍生物;生化试剂-维生素 | |
| 8 | 39980-11-5 | Benzenesulfonic acid, 4-methyl-, (2E)-2-[(dimethoxyphosphinyl)phenylmethylene]hydrazide | Benzenesulfonic acid, 4-methyl-, (2E)-2-[(dimethoxyphosphinyl)phenylmethylene]hydrazide | C16H19N2O5PS | | |
| 9 | 39980-90-0 | Cytidine, cyclic 2',3'-(hydrogen phosphate), ion(1-), N,N,N-triethylethanaminium | Cytidine, cyclic 2',3'-(hydrogen phosphate), ion(1-), N,N,N-triethylethanaminium | C17H31N4O7P | | |
| 10 | 39981-04-9 | 2-[2-[[5-bromo-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene]methyl]but-1-enyl]-3-ethyl-5,6-dimethylbenzothiazolium | 2-[2-[[5-bromo-3-(3-sulphonatopropyl)-3H-benzothiazol-2-ylidene]methyl]but-1-enyl]-3-ethyl-5,6-dimethylbenzothiazolium | C26H29BrN2O3S3 | | |
| 11 | 39981-05-0 | 2-[2-[(3-ethyl-5-methyl-3H-benzoselenazol-2-ylidene)methyl]but-1-enyl]-5,6-dimethyl-3-(3-sulphonatopropyl)benzoselenazolium | 2-[2-[(3-ethyl-5-methyl-3H-benzoselenazol-2-ylidene)methyl]but-1-enyl]-5,6-dimethyl-3-(3-sulphonatopropyl)benzoselenazolium | C27H32N2O3SSe2 | | |
| 12 | 39981-36-7 | (4-Fluorophenyl)oxomethylium | (4-Fluorophenyl)oxomethylium | C7H4FO | | |
| 13 | 39981-80-1 | 巯基吗啉-4-基乙酸乙酯 | 4-THIOMORPHOLINE ACETIC ACID, ETHYL ESTER | C8H15NO2S | | |
| 14 | 39981-81-2 | 1-Piperidineacetic acid, 4-methyl-, ethyl ester | 1-Piperidineacetic acid, 4-methyl-, ethyl ester | C10H19NO2 | | |
| 15 | 39981-89-0 | Carbonic acid bis(trimethylsilyl) ester | Carbonic acid bis(trimethylsilyl) ester | C7H18O3Si2 | | |
| 16 | 39982-01-9 | Propanoic acid, 2,2-dimethyl-, anhydride with 1,1-dimethylethyl hydrogen carbonate (9CI) | Propanoic acid, 2,2-dimethyl-, anhydride with 1,1-dimethylethyl hydrogen carbonate (9CI) | C10H18O4 | | |
| 17 | 39982-09-7 | Carbonic acid, mono(1,1-dimethylethyl) ester, potassium salt | Carbonic acid, mono(1,1-dimethylethyl) ester, potassium salt | | | |
| 18 | 39982-28-0 | | Carbamic acid, N-chloro-, methyl ester | C2H4ClNO2 | | |
| 19 | 39982-49-5 | (喹啉-7-基)甲醇 | 7-Hydroxymethyl quinoline | C10H9NO | | |
| 20 | 39982-78-0 | | Benzeneacetamide, a-bromo-N-phenyl- | C14H12BrNO | | |
| 21 | 39984-17-3 | aminochrome 1 | aminochrome 1 | C8H7NO2 | | |
| 22 | 39984-23-1 | | 4H-1-Benzopyran-3-carboxamide, 4-oxo-N,2-diphenyl- | C22H15NO3 | | |
| 23 | 39984-91-3 | Spiro[4.4]nonane-1,4-dione | Spiro[4.4]nonane-1,4-dione | C9H12O2 | | |
| 24 | 39984-92-4 | SPIRO[4.5]DECANE-1,4-DIONE | SPIRO[4.5]DECANE-1,4-DIONE | C10H14O2 | | |
| 25 | 39985-59-6 | 2-PHENYL-4,5,6,7-TETRAHYDRO-ISOINDOLE-1,3-DIONE | 2-PHENYL-4,5,6,7-TETRAHYDRO-ISOINDOLE-1,3-DIONE | C14H13NO2 | | |
| 26 | 39985-60-9 | 1H-Isoindole-1,3(2H)-dione, 2-(2-fluorophenyl)-4,5,6,7-tetrahydro- | 1H-Isoindole-1,3(2H)-dione, 2-(2-fluorophenyl)-4,5,6,7-tetrahydro- | C14H12FNO2 | | |
| 27 | 39985-62-1 | | 1H-Isoindole-1,3(2H)-dione, 2-(3-chlorophenyl)-4,5,6,7-tetrahydro- | C14H12ClNO2 | | |
| 28 | 39985-63-2 | 3,4,5,6-Tetrahydro-N-(4-chlorophenyl)phthalimide | 3,4,5,6-Tetrahydro-N-(4-chlorophenyl)phthalimide | C14H12ClNO2 | | |
| 29 | 39985-64-3 | 2-(4-bromophenyl)-4,5,6,7-tetrahydroisoindole-1,3-dione | 2-(4-bromophenyl)-4,5,6,7-tetrahydroisoindole-1,3-dione | C14H12BrNO2 | | |
| 30 | 39985-88-1 | | Benzoic acid, 4-(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)- | C15H13NO4 | | |
| 31 | 39985-91-6 | | Benzonitrile, 4-(1,3,4,5,6,7-hexahydro-1,3-dioxo-2H-isoindol-2-yl)- | C15H12N2O2 | | |
| 32 | 39986-26-0 | DELTA-9-四氢次大麻酚酸 | Delta-9-Tetrahydrocannabivarinic acid | C20H26O4 | | |
| 33 | 39986-37-3 | 2,4-二甲基-4-羟基甲基-2-恶唑啉 | 2,4-DIMETHYL-4-HYDROXYMETHYL-2-OXAZOLINE | C6H11NO2 | | |
| 34 | 39986-86-2 | 4'-羟基-5,6-脱氢醉椒素 | p-Hydroxy-5,6-dehydrokawain | C14H12O4 | 对照品;其它酚类;标准品 -中药标准品 | |
| 35 | 39986-90-8 | 落叶黄素-3-O-Β-D-葡萄糖苷 | Laricitrin 3-O-glucoside | C22H22O13 | | standard material,plant extracts |
| 36 | 39986-94-2 | 1,1'-Oxybis[3-bromo-2,2-bis(bromomethyl)propane] | 1,1'-Oxybis[3-bromo-2,2-bis(bromomethyl)propane] | C10H16Br6O | | |
| 37 | 39987-25-2 | 氨基二乙酸二甲酯.盐酸盐 | Dimethyl Iminodiacetate Hydrochloride | C6H12ClNO4 | 有机化工原料 | |
| 38 | 39987-31-0 | Butanoic acid, 4-(dodecylamino)-4-oxo-, sodium salt (1:1) | Butanoic acid, 4-(dodecylamino)-4-oxo-, sodium salt (1:1) | C16H32NNaO3 | | |
| 39 | 39987-70-7 | 1'H-5α-Androst-16-eno[17,16-b]indol-3β-ol acetate | 1'H-5α-Androst-16-eno[17,16-b]indol-3β-ol acetate | C27H35NO2 | | |
| 40 | 39987-75-2 | (2S)-1,2,3,4,4a,4bα,5,6,6a,7,14,14aα,14bβ,15,16,16aα-Hexadecahydro-4aβ,6aβ-dimethylbenzo[g]naphth[2',1':4,5]indeno[1,2-b]indol-2β-ol acetate | (2S)-1,2,3,4,4a,4bα,5,6,6a,7,14,14aα,14bβ,15,16,16aα-Hexadecahydro-4aβ,6aβ-dimethylbenzo[g]naphth[2',1':4,5]indeno[1,2-b]indol-2β-ol acetate | C31H37NO2 | | |
| 41 | 39987-85-4 | 21-Acetoxy-16 alpha-methyl-4-pregnene-3,20-dione | 21-Acetoxy-16 alpha-methyl-4-pregnene-3,20-dione | C24H34O4 | | |
| 42 | 39989-39-4 | 7-甲氧基异喹啉 | 7-METHOXY-ISOQUINOLINE | C10H9NO | 杂环;药物中间体 | |
| 43 | 39989-43-0 | 3,5-二氯苄胺 | 3,5-Dichlorobenzylamine | C7H7Cl2N | 胺;胺类;苯环系列;有机砌块;通用试剂;医药原料;有机化学;医药中间体 | |