| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 2042345-71-9 | (S)-1-tert-Butyl 4-(2,5-dioxopyrrolidin-1-yl) 2-acetoxysuccinate | | C14H19NO8 | 329.307 | | |
| 2042347-69-1 | AZD9898 | | C20H19ClF3N3O4 | 457.83 | | |
| 2042349-83-5 | (4R,5R)-4-tert-butyl 5-(2,5-dioxopyrrolidin-1-yl) 2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate | | C15H21NO8 | 343.334 | | |
| 2042361-09-9 | (S)-4-tert-butyl 1-(2,5-dioxopyrrolidin-1-yl) 2-acetoxysuccinate | | C14H19NO8 | 329.307 | | |
| 2042367-40-6 | (3S)-N-methylpiperidine-3-carboxamide hydrochloride | | C7H14N2O.HCl | 178.6592 | | |
| 20424-00-4 | | deprodone propionate | C24H32O5 | 400.51 | | |
| 20424-31-1 | 十六烷基(9Z，12Z) -十八碳-9,12-二烯酸甲酯 | 9,12-Octadecadienoic acid (9Z,12Z)-, hexadecyl ester | C34H64O2 | 504.8708 | | 568.4±29.0 °C(Predicted) |
| 20424-95-7 | | fluoro-acetic aci copper(ii) salt | | | | |
| 204244-77-9 | | l-arginine:hcl (d7, 98%) | C6H8ClD7N4O2 | 217.705 | | |
| 204244-81-5 | 正十四烷d30 | n-tetradecane-d30 | C14D30 | 228.57 | | |
| 204244-83-7 | | testosterone (1,2-d2, 98%) | | | | |
| 204244-84-8 | | hexyl-d13 alcohol | | | | 156.5℃ |
| 204245-65-8 | 反式-3-[4-(boc-氨基)环己基]丙酸 | trans-3-[4-(boc-amino)cyclohexyl]propionic acid | | | | |
| 204246-17-3 | n-fmoc-d-天冬氨酸 1-烯丙基酯 | n-fmoc-d-aspartic acid 1-allyl ester | C22H21NO6 | 395.41 | | |
| 204248-78-2 | Omiganan | | C90H127N27O12(free) | 1779.15(free) | | |
| 2042493-16-1 | 2-溴-9-苯基-1,10-菲咯啉 | 2-Bromo-9-phenyl-1,10-phenanthroline | C18H11BrN2 | 335.2 | | 510.6±45.0 °C(Predicted) |
| 20425-39-2 | | pyresmetrin | | | | |
| 20425-54-1 | | acetic acid(R)-3,7-dimethyloct-6-enyl ester | C12H22O2 | 198.30 | | |
| 20425-72-3 | | 226-radon(ii) chloride | | | | |
| 204251-24-1 | | n-(9-fluorenylmethoxycarbonyl)-l-glutamic acid gamma-tert-butyl ester monohydrate | C24H27NO6.H2O | 443.49 | 86-89℃ | |
| 204251-33-2 | | fmoc-d-glutamic acid 5-allyl ester | C23H23NO6 | 409.43 | | |
| 204251-86-5 | | (R)-4-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-5-(allyloxy)-5-oxopentanoic acid | C23H23NO6 | 409.43 | | 652.3±55.0°C at 760 mmHg |
| 2042521-91-3 | 5,5′-[[4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b′]dithiophene-2,7-diyl]bis(2,1,3-benzothiadiazole-7,4-diylmethylidyne)]bis[3-ethyl-2-thioxo-4-thiazolidinone] | idt-2br | | | | |
| 204253-86-1 | 1-Cyclopentyl-3-ethyl-1h-indazole-6-carboxylic acid | | C15H18N2O2 | 258.32 | | 463.4±25.0 °C(Predicted) |
| 204254-96-6 | 5-(戊烷-3-基氧基)-7-氧代-双环[4.1.0]庚-3-烯-3-羧酸乙酯 | (1S,5R,6S)-5-(1-ethylpropoxy)-7-oxabicyclo[4.1.0]hept-3-ene-3-carboxylic acid ethyl ester | C14H22O4 | 254.32 | | |
| 204255-11-8 | 磷酸奥司他韦 | | C16H31N2O8P | 410.4 | 197-204 °C | 473.3 °C at 760 mmHg |
| 204256-08-6 | | naphthalene,1,4-dimethyl-5-propyl- | C15H18 | 198.30 | | |
| 204257-65-8 | 2,5-Dioxopyrrolidin-1-yl 4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoate | | C19H17N5O5 | 395.37 | 233-235 °C (dec.) | |
| 204257-72-7 | 2-氟-4-碘苯甲酸甲酯 | methyl-2-fluoro-4-iodo-benzoate | C8H6FIO2 | 280.04 | | |
| 204259-54-1 | 乙酰基-l-肉碱-(n-甲基-d3) | acetyl-l-carnitine-(n-methyl-d3) | | | | |
| 204259-56-3 | 辛酰左旋肉碱 -d3 | octanoyl-l-carnitine-(n-methyl-d3) | | | | |
| 204259-63-2 | | acrylic acid (+ 0.1% 4-methoxyphenol) (2,3,3-d3, 98%) (<5% h2o) | | | | |
| 204259-66-5 | | 1-bromododecane-d25 | | | | 134℃(6 t |
| 20426-12-4 | | 4-hydroxychalcone | C15H12O2 | 224.25 | 183-185℃ | |
| 20426-48-6 | | 3'-chlorochalcone | | | | |
| 20426-80-6 | 苯并二氢吡喃-4-羧酸 | Chroman-4-carboxylic acid | C10H10O3 | 178.1900 | | |
| 20426-87-3 | 2,3,4,5-四氢苯并[B]氧杂卓-5-醇 | 2,3,4,5-Tetrahydrobenzo[b]oxepin-5-ol | C10H12O2 | 164.20 | 75-76 °C | 283.6±19.0 °C(Predicted) |
| 204260-38-8 | N-(9-芴甲氧羰酰基)-D-4-甲基苯丙氨酸 | Fmoc-D-Phe(4-Me)-OH | C25H23NO4 | 401.46 | 168°C | |
| 204260-91-3 | | n-benzyl-3,4-dinitrobenzamide | | | | |
| 204268-03-1 | HIV-1 integrase inhibitor 7 | | C30H26O16 | 642.52 | | |
| 20427-11-6 | | cobalt(ii) cyanide dihydrate | | | | |
| 20427-22-9 | | 9-Methyl-9H-purine | C6H6N4 | 134.14 | | |
| 20427-56-9 | | ruthenium tetraoxide | O4Ru | 165.07 | | |
| 20427-58-1 | 氢氧化锌 | zinchydroxide | H2O2Zn | 99.39 | 125 °C（分解） | |
| 20427-59-2 | 氢氧化铜(Ⅱ) | copper(ii)hydroxide | CuH2O2 | 97.56 | | |
| 20427-84-3 | | ethanol,2-[2-(p-nonylphenoxy)ethoxy]-, | C19H32O3 | 308.46 | | |
| 20428-74-4 | 溴氯乙酸甲酯 | bromochloroacetic acid-methyl ester | | | | |
| 20428-75-5 | | Methyl chlorodibromoacetate solution | | | | |
| 20428-76-6 | | Methyl bromodichloroacetate solution | | | | |
| 20429-33-8 | | | | | | |
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