| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 33251-02-4 | | 1-chloro-3-(3,4-dimethoxyphenyl)propan-2-one | | | | |
| 33251-22-8 | | nsc 191295 | | | | |
| 33251-53-5 | | 1-butyl-3-(2-fluorophenyl)urea | | | | |
| 33251-64-8 | | 1-(2-fluorophenyl)-3-isopropylurea | | | | |
| 33252-22-1 | 4-叔丁基吡啶-2-醇 | 4-tert-Butyl-2-[1H]-pyridone | C9H13NO | 151.208 | | |
| 33252-28-7 | 2-氯-5-氰基吡啶 | 2-Chloro-5-cyanopyridine | C6H3ClN2 | 138.56 | 117-119℃ | 105-107°C 1mm |
| 33252-29-8 | | 6-Chloropyridine-2-carbonitrile | C6H3ClN2 | 138.55 | 85-89 ℃ | |
| 33252-30-1 | 2-氯-4-氰基吡啶 | 2-Chloro-4-pyridinecarbonitrile | C6H3ClN2 | 138.55 | 69-73 °C(lit.) | 104-106°C 15mm |
| 33252-32-3 | 2-氨基-4-乙基吡啶 | 2-amino-4-ethylpyridine | C7H10N2 | 122.17 | | |
| 33252-62-9 | 2-甲氧基-5-甲基-3-硝基吡啶 | 2-methoxy-5-methyl-3-nitropyridine | | | | |
| 33252-63-0 | 2-羟基-5-(三氟甲基)吡啶 | 2-Hydroxy-5-trifluoromethyl pyridine | C6H4F3NO | 163.1 | 145-149 °C(lit.) | |
| 33252-64-1 | | 2-hydroxy-3-nitro-5-(trifluoromethyl)pyridine | C6H3F3N2O3 | 208.1 | 183-186℃ | |
| 33254-93-2 | | 4-(2-bromopropionyl)phenoxyacetic acid | C11H11BrO4 | 287.10 | 139-142℃ | |
| 33255-13-9 | 3,6-二溴-9-乙基咔唑 | 3,6-dibromo-9-ethylcarbazole | | | | |
| 33257-81-7 | | 4-(4-methoxyphenyl)-2-oxo-3-phenyl-2h-chromen-7-yl acetate | | | | |
| 33259-21-1 | | 4-hydroxy-2,6-dimethylnicotinic acid | C8H9NO3 | 167.16 | | |
| 33259-24-4 | 3-溴-2,6-二甲基吡啶-4-胺 | 3-bromo-2,6-dimethylpyridin-4-amine | C7H9BrN2 | 201.06 | | |
| 33259-31-3 | 3-氨基-7-甲氧基-2H-1-苯并吡喃-2-酮 | 3-amino-7-methoxy-2H-chromen-2-one | C10H9NO3 | 191.18 | | |
| 33259-72-2 | | 5,6-diamino-2-picoline | C6H9N3 | 123.15 | | |
| 33259-95-9 | | Perbromic acid,cesium salt | BrCsO4 | 276.81 | | |
| 3326-13-4 | n-乙酰基-2-哌啶酮 | 1-acetylpiperidin-2-one | C7H11NO2 | 141.17 | | |
| 3326-31-6 | 6-荧光素异硫氰酸盐 | 6-fluorescein isothiocyanate | C21H11NO5S | 389.38 | | |
| 3326-32-7 | 荧光素-5-异氰酸酯 | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-5-isothiocyanato- | C21H11NO5S | 389.38 | 360℃ | |
| 3326-34-9 | 荧光素胺(异构体Ⅱ) | Fluoresceinamine,isomerⅡ | C20H13NO5 | 347.32 | 223 °C (dec.)(lit.) | |
| 3326-35-0 | | 9'-[9h]xanthen]-3-one, 3',6'-dihydroxy-5-nitro-spiro[isobenzofuran-1(3h | C20H11NO7 | 377.3 | >300°C | 692°C |
| 3326-63-4 | | l-tryptophan b-naphthylamide | C21H19N3O | 329.40 | | |
| 3326-64-5 | | trans-4-hydroxy-l-proline b-*naphthylamine | C15H16N2O2 | 256.30 | | |
| 3326-71-4 | 糠酰肼 | 2-furoic acid, hydrazide | C5H6N2O2 | 126.11 | 76-80℃ | |
| 3326-89-4 | | 1,3-oxathiolan-2-one | | | | |
| 3326-90-7 | | 2-propenoic acid, 3-chloro-2-hydroxypropyl ester | | | | |
| 33262-29-2 | | dibenzothiophene (d8, 98%) | | | | |
| 33262-95-2 | | 1,4-dihydro-4-imino-1-(p-methylbenzyl)-pyridin monohydrochloride | | | | |
| 33262-96-3 | | 1,4-dihydro-4-imino-1-phenethyl-2-picolin monohydrobromide | | | | |
| 33262-97-4 | | 1,4-dihydro-1-cinnamyl-4-imino-pyridin monohydrochloride | | | | |
| 33263-00-2 | | 1,4-dihydro-4-imino-1-phenethyl-pyridin monohydrochloride | | | | |
| 33263-43-3 | 4-氯-3-吡啶磺胺 | 4-Chloropyridine-3-sulphonamide | C5H5ClN2O2S | 192.62 | 150-155 °C | 380.4 °C at 760 mmHg |
| 33263-44-4 | | 4-Chloropyridine-3-sulfonyl chloride | C5H3NO2SCl2 | 212.05 | | |
| 33263-46-6 | | 4-nitro-3-pyridinesulfonic acid | C5H4N2O5S | 204.15 | | |
| 33263-48-8 | | 4-[[3-(trifluoromethyl)phenyl]amino]-3-pyridinesulfonic acid | C12H9F3N2O3S | 318.27 | | |
| 33264-47-0 | | 2-phenyl-2-(p-tolyl)-acetic aci 2-(diethylamino)ethyl ester | | | | |
| 33264-82-3 | 2-氨基-5-氟苯硫酚 | 2-amino-5-fluorobenzenethiol | C6H6FNS | 143.18 | 186℃ | 240℃ |
| 33264-99-2 | | 2h-pyrido(1,2-a)pyrazine, octahydro-2-(3-(10,11-dihydro-5h-dibenzo(a,d)cyclohep | | | | |
| 33265-60-0 | | 1-(2-nitrophenyl)pyrrole | C10H8N2O2 | 188.18 | 58-60℃ | |
| 33265-61-1 | 1-(2-硝基苯基)-1H-吡咯-2-甲醛 | 1-(2-Nitrophenyl)-1H-pyrrole-2-carbaldehyde | C11H8N2O3 | 216.2000 | | |
| 33265-71-3 | | 2-(1h-pyrrol-1-yl)benzonitrile | | | | |
| 33265-79-1 | | 1-piperidineethanol, hydrochloride | | | | |
| 33266-07-8 | | 2-acetyl-2-methyl-3-dithiolane | | | | |
| 33267-11-7 | | 4'-(acetylsulfamoyl)-2'-benzoyl-acetanilid | | | | |
| 33267-29-7 | | (S)-3-methyl-pent-1-yn-3-ol | C6H10O | 98.14 | | |
| 33267-37-7 | | ethyl-phosphonic aci methyl p-(methylsulfonyl)phenyl ester | | | | |
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