| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21501-08-6 | | n-(4-{[4-(acetylamino)phenyl]sulfonyl}phenyl)dodecanamide | | | | |
| 21501-09-7 | | n-(4-{[4-(acetylamino)-3-methylphenyl]sulfonyl}phenyl)acetamide | | | | |
| 21502-70-5 | | Stibine,tris[4-methoxyphenyl]- | C21H21O3Sb | 443.14 | | |
| 21503-01-5 | 2,3,4,5-四氢-1-苯并氧杂七-4-酮 | 2,3,4,5-tetrahydro-1-benzoxepin-4-one | | | | |
| 21503-04-8 | | chroman-4-carbaldehyde | | | | |
| 215030-90-3 | 4-[(1e)-2-[5,6-二氢-5,5-二甲基-8-(苯基乙炔基)-2-萘基]乙烯基]-苯甲酸 | bms 493 | | | | |
| 215032-19-2 | | 2,3,5,6-tetramethyl-4-pyridinecarboxamide | C10H14N2O | 178.23 | | |
| 21504-96-1 | | n-cyano-s-methyl-n'phenylisothiourea | | | | |
| 21504-97-2 | | 1-cyano-2-methyl-3-(3-methylphenyl)isothiourea | | | | |
| 215040-77-0 | | 8-[3-(1-acetyl-piperidin-4-yl)-propionyl]-1,2,5,6-tetrahydro-pyrrolo[3,2,1-ij]quinolin-4-one | | | | |
| 215045-44-6 | | 2-cyano-acetic acid 3-methoxypropyl ester | | | | |
| 21505-06-6 | n?5?苄基-1h-1,2,4-三唑-3,5-二胺 | n~5~-benzyl-1h-1,2,4-triazole-3,5-diamine | | | | |
| 21505-14-6 | 4-溴-5-苯基-1h-1,2,3-三唑 | 4-bromo-5-phenyl-1h-1,2,3-triazole | | | | |
| 21505-34-0 | | diphenyl-acetic aci 2-(cyclohexylpropylamino)ethyl ester | | | | |
| 21505-41-9 | | spiro(cyclopentane-1,5'(8'ah)-cyclopenta(d)thiazolo(3,2-a)pyrimidin)-8'a-o l, 5 | | | | |
| 215050-11-6 | | 1,3-di-boc-2-(2-hydroxyethyl)guanidine | C13H25N3O5 | 303.35 | | |
| 215054-80-1 | l-醛赖氨酸乙烯乙缩醛 | l-allysine ethylene acetal | | | | |
| 215057-28-6 | | 2,3-dihydro-5-benzofuranpropanoic acid | | | | |
| 21508-19-0 | 5-氯-2-糠醛 | 5-chloro-2-furaldehyde | | | 34-37℃ | |
| 21508-38-3 | | n,n-dimethyl-2-o-tolyl-indene-3-ethylamin hydrochloride | | | | |
| 21508-39-4 | | 3,3'-hexamethylenebis(4-hydroxy-4-phenyl-2-thiazolidinethion | | | | |
| 21508-40-7 | | e)thiepin-delta(sup 11(6h),gamma)-propylamine, n,n,2-trimethyl-, 5,5-dibenzo( | | | | |
| 21508-50-9 | 左炔诺孕酮ep杂质i | levonorgestrel ep impurity i | | | | |
| 21508-99-6 | | Pentakis(trimethylarsine oxide)-nickel(II)diperchlorate | C15H45As5Cl2NiO13 | 937.72 | | |
| 21509-92-2 | | 2,5,8,11-tetraazatridecanamide, 13-amino-n-[2-[[2-[[2-[(2-aminoethyl)amino]ethy | | | | |
| 215094-37-4 | | 25,26,26,26,27,27,27-heptafluoro-7-ketocholesterol | | | | |
| 2151-43-1 | | m-(3-ethyl-1-methyl-3-pyrrolidinyl)-pheno | | | | |
| 2151-57-7 | | 2,4-Dibutyl-phenol | C14H22O | 206.32 | | |
| 2151-60-2 | | basic yellow 3 (c.i. 41005) | | | | |
| 2151-80-6 | | Borate(1-),tetrachloro-,tritylium | C19H15BCl4 | 395.94 | | |
| 2151-85-1 | | n,n-dimethyl-n'-phenyl-formamidin compd. with methyl iodide | | | | |
| 21510-43-0 | 2-(4-溴苯基)-5-苯基-1,3,4-恶二唑 | 2-(4-bromophenyl)-5-phenyl-1,3,4-oxadiazole | C14H9BrN2O | 301.14 | | |
| 215102-53-7 | | 2-[(methoxyacetyl)amino]benzoic acid | | | | |
| 215103-12-1 | | 3-(acetylamino)-4-pyridinecarboxylic acid | C8H8N2O3 | 180.16 | | |
| 2151045-27-9 | (S)-3-硝基-6,7-二氢-5h-咪唑并[2,1-b] [1,3]噁嗪-6-基乙酸酯 | (S)-3-nitro-6,7-dihydro-5h-imidazo[2,1-b][1,3]oxazin-6-yl acetate | | | | |
| 215115-09-6 | 8-溴-6-甲基喹唑啉-4(3h)-酮 | 8-bromo-6-methylquinazolin-4(3h)-one | | | | |
| 21512-15-2 | | 2-((5-cyano-2-thienyl)methylene)-hydrazinecarbothioamid | | | | |
| 21512-16-3 | 5-氰基噻吩-2-甲醛 | 5-cyanothiophene-2-carboxaldehyde | | | | |
| 215121-89-4 | (3S)-4-boc-1-羧甲基-3-苄基-哌嗪-2-酮 | (3S)-4-boc-1-carboxymethyl-3-benzyl-piperazin-2-one | | | | |
| 215122-38-6 | | 6,8-dichloro-2-(trifluoromethyl)-2h-chromene-3-carboxylic acid | | | | |
| 215124-03-1 | 5-氯-2-羟基-3-碘代苯甲醛 | 5-chloro-2-hydroxy-3-iodobenzaldehyde | | | | |
| 2151398-06-8 | 5-溴-2-(哌啶-1-基)-3-(三氟甲基)吡啶 | 5-bromo-2-(piperidin-1-yl)-3-(trifluoromethyl)pyridine | | | | |
| 21514-87-4 | | 2-(2,4,5,7-tetrabromo-6-hydroxy-3-oxo-3h-xanthen-9-yl)-benzoic aci ethyl es | C22H11Br4NaO5 | 697.93 | | |
| 21514-99-8 | 吡啶-2,5-二甲醇 | pyridine-2,5-dimethanol | | | | |
| 21515-43-5 | | 5,14-dihydroxy-19-oxo-3-((3-pyridinylcarbonyl)oxy)-card-20(22)-enolid (3-be | | | | |
| 21516-07-4 | 2,3-二氢苯并[g]喹啉-4(1h)-酮 | 2,3-dihydrobenzo[g]quinolin-4(1h)-one | | | | |
| 21516-68-7 | 红曲色素 | monascin | | | | |
| 215160-72-8 | | 2-amino-5-hexynoic acid | | | | |
| 215162-92-8 | 2,3-二氢-1-苯并呋喃-5-基异氰酸酯 | 2,3-dihydrobenzo[b]furan-5-isocyanate | | | | |
| 215169-00-9 | (R)-2-(3-(3-(3,4-二甲氧基苯基)-1-羟丙基)苯氧基)乙酸 | (R)-2-(3-(3-(3,4-dimethoxyphenyl)-1-hydroxypropyl)phenoxy)acetic acid | | | | |
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