| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 21884-47-9 | | 9,17-methanonaphtho(2',3':5,6)cyclohept(1,2-d)anthracene-5,10,15,16,18(17h )-pe | | | | |
| 21885-29-0 | | 4-triazole-3-thione, 2,4-dihydro-2,4-dimethyl-3h-2 | | | | |
| 21886-12-4 | | pnu112455a | | | | |
| 21886-56-6 | α-氯代间氯苯乙酮 | 2,3'-dichloroacetophenone | | | | |
| 21886-60-2 | | 2-chloro-1-(4-isopropylphenyl)ethanone | | | | |
| 21886-62-4 | | Ethanone,2-chloro-1-(4-(1,1-dimethylethyl)phenyl)- | C12H15ClO | 210.70 | | |
| 21886-68-0 | | 2,2'-Dichloro-4,4'-isopropylidenediphenol dibenzoate | C29H22Cl2O4 | 505.39 | | |
| 21887-01-4 | | horminone | | | | |
| 21887-06-9 | | 22-trienolide, 3,19-dioxo-14-hydroxy-bufa-20 | | | | |
| 21887-64-9 | | boc-orn-oh | C10H20N2O4 | 232.27 | | |
| 21888-96-0 | | 4'-bipiperidine)-2,6-dione, 3-phenyl-1'-(phenylmethyl)-, hydrochloride, (S)-( | | | | |
| 21888-98-2 | | dexetimide | | | | |
| 21888-99-3 | | (-)-glutarimid | | | | |
| 21889-05-4 | | 2-(p-aminophenyl)-indol | | | | |
| 21889-12-3 | | 1,3-bis(p-(dimethylamino)benzylidene)-2-indanon (high melting isomer) | | | | |
| 21889-13-4 | | 2-(p-dimethylaminobenzylidene)-3-indandione | | | | |
| 21889-25-8 | | 4-[(3-chlorophenyl)azo]-3-hydroxy-n-(2-methylphenyl)-2-naphthalenecarboxamid | | | | |
| 21889-27-0 | | 2-naphthalenecarboxamide, 4-[(3-chlorophenyl)azo]-3-hydroxy-n-(2-methoxyphenyl) | | | | |
| 21889-28-1 | | 4-[(5-chloro-o-tolyl)azo]-3-hydroxy-2-naphth-o-anisidid | | | | |
| 21889-89-4 | | 6-methyl-7-oxabicyclo[4.1.0]heptan-2-on | | | | |
| 2189-26-6 | 甘氨酰-dl-色氨酸 | glycyl-dl-tryptophan | | | | |
| 2189-27-7 | | glycyl-dl-norvaline | C7H14N2O3 | 174.19 | | |
| 2189-52-8 | | 3-alpha-((10,11-dihydro-5h-dibenzo(a,d)cyclohepten-5-yl)oxy)nortropane maleat | | | | |
| 2189-60-8 | 正辛基苯 | octyl-benzen | C14H22 | 190.32 | -36-266℃ | 261-263℃ |
| 2189-61-9 | | methyl n-(3-nitrophenyl)carbamate | | | | |
| 2189-80-2 | 蒲公英萜醇乙酯 | taraxerol acetate | | | | |
| 2189-88-0 | | (2,2-Dimethyl-propoxy)-benzene | C11H16O | 164.24 | | |
| 21891-57-6 | | 1-naphthaldehyde, 7-(2,10-dihydro-3,11-diisopropyl-5,13-dimethyl-1,9-dioxo-14-( | | | | |
| 218915-49-2 | | trans-2-(ethylamino)cyclohexanol | | | | |
| 218916-51-9 | 大戟因子 l2 | euphorbia factor l2 | | | | |
| 218916-52-0 | 千金子二萜醇二乙酰苯甲酰酯 | 5,15-diacetyl-3-benzoyllathyrol | | | | |
| 218916-53-1 | 大戟因子 l8 | euphorbia factor l8 | | | | |
| 218916-64-4 | 3-(boc-氨基)-2-羟基丙酸 | 3-(boc-amino)-2-hydroxypropanoic acid | | | | |
| 21892-80-8 | | 3-methyl-2-benzoxazolinon | C8H7NO2 | 149.14 | 82-86℃ | |
| 21892-95-5 | | nortricyclyl formate, pract. | C8H10O2 | 138.16 | | |
| 218924-25-5 | 3-(1,3-苯并二恶唑-5-基亚甲基)-2-氧-1-吡咯烷甲醛 | knk437 | | | | |
| 218926-46-6 | | fmoc-diethylglycine | | | | |
| 218926-47-7 | | n-fmoc-2-propyl-norvaline | | | | |
| 218929-47-6 | | 5-cyclopropyl-1,4,5,6-tetrahydro-1,3,5-triazine-2-thiol | | | | |
| 21893-86-7 | | 5-(chloromethyl)-2-furoic aci butyl ester | | | | |
| 21893-97-0 | | 2,6-bis(hydroxymethyl)-4-methoxyphenol | | | | |
| 218930-10-0 | | 4-(2,6-dimethylmorpholin-4-yl)aniline | | | | |
| 218930-20-2 | | n-(2,4-difluorophenyl)-3-oxobutanamide | | | | |
| 218930-35-9 | | 4,6-dichloro-benzooxazole-2-thiol | | | | |
| 218938-55-7 | | z-lys(isopropyl)-oh | C17H26N2O4 | 322.40 | | |
| 218938-56-8 | | z-d-homocit-oh | C15H21N3O5 | 323.34 | | |
| 218938-57-9 | | z-trp(boc)-oh dicyclohexylamine salt | C24H26N2O6.C12H23N | 619.80 | | |
| 218938-62-6 | | h-tyr(tbu)-allyl ester . hcl | C16H23NO3.HCl | 313.82 | | |
| 218938-63-7 | | h-thr(tbu)-allyl ester . hcl | C11H21NO3.HCl | 251.75 | | |
| 218938-64-8 | | (S)-allyl 2-amino-6-((tert-butoxycarbonyl)amino)hexanoate hydrochloride | | | | |
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