| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 121212-43-9 | | and methyl 2-propenoate | | | | |
| 1212120-62-1 | (R)-1,1,1-三氟-2-丁胺盐酸盐 | (R)-1,1,1-trifluoro-2-butylamine hydrochloride | | | | |
| 121213-21-6 | | dl-butanoic aci | | | | |
| 1212132-10-9 | 反式(+/-)1-[叔丁氧羰基-4-(3-吡啶基)吡咯烷-3-羧酸 | trans (+/-) 1-[(tert-butyl)oxycarbonyl]-4-(3-pyridyl)pyrrolidine-3-carboxylic acid | | | | |
| 1212132-12-1 | (顺)-3-氨基双环[2.2.1]庚烷-2-羧酸 盐酸盐 | (cis)-3-aminobicyclo[2.2.1]heptane-2-carboxylic acid hydrochloride | | | | |
| 1212132-25-6 | | 4-(4,6-dimethyl-pyrimidin-2-ylamino)-cyclohexanol | | | | |
| 1212133-43-1 | (R)-1-boc-2-丁基哌嗪 | (R)-1-boc-2-butyl-piperazine | | | | |
| 1212133-86-2 | | (S)-methyl 3-(4'-acetylbiphenyl-4-yl)-2-aminopropanoate hydrochloride | | | | |
| 1212136-00-9 | | (R)-3-boc-4-methyl-2,2-dioxo-1,2,3-oxathiazolidine | | | | |
| 1212136-72-5 | | tert-butyl (S)-1-((S)-1-cyano-2-phenylethylamino)- 1-oxo-3-phenylpropan-2-ylcarbamate | | | | |
| 1212138-24-3 | | tert-butyl (S)-1-((S)-1-cyano-2-phenylethylamino)-1-oxopropan-2-ylcarbamate | | | | |
| 1212142-46-5 | | tert-butyl trans-4-(3-hydroxypropyl)cyclohexylcarbamate | | | | |
| 1212145-57-7 | | 5-phenylbicyclo[2.2.1]heptane-2,3-dicarboxylic acid | | | | |
| 1212148-82-7 | | (R)-7-(2,3-dihydro-1h-inden-2-yl)-1,7-diazaspiro[4.4]nonan-6-one | | | | |
| 1212151-59-1 | (S)-n-丙基-4-(3-吡咯烷氧基)苯甲酰胺 | (S)-n-propyl-4-(3-pyrrolidinyloxy)benzamide | | | | |
| 1212151-67-1 | | (4S,4as,8ar)-4-phenyldecahydro-4-quinolinol ethanedioate (salt) | | | | |
| 1212157-09-9 | (1R,3R,5R)-rel-2-氮杂双环[3.1.0]己烷-3-羧酸盐酸盐 | (1R,3R,5R)-rel-2-azabicyclo[3.1.0]hexane-3-carboxylic acid hydrochloride | | | | |
| 1212157-31-7 | | trans-4-(1-pyrrolidinyl)tetrahydro-3-furanamine | | | | |
| 1212163-30-8 | | trans-4-(ethylamino)tetrahydro-3-furanol | | | | |
| 1212165-74-6 | 反式-n-boc-4-[2-(fmoc-氨基)乙基]环己胺 | trans-n-boc-4-[2-(fmoc-amino)ethyl]cyclohexylamine | | | | |
| 1212174-51-0 | | (2S)-2-(1h-tetrazol-1-yl)propanoic acid | | | | |
| 1212176-33-4 | (R)-(+)-1-boc-4-哌啶酮-2-甲酸 | (R)-(+)-1-boc-4-oxopiperidine-2-carboxylic acid | | | | |
| 121218-40-4 | | ethyl 3-amino-5,6-dimethoxy-1h-indole-2-carboxylate | | | | |
| 121218-70-0 | 3-(硝基甲基)戊二酸二甲酯 | dimethyl 3-(nitromethyl)pentanedioate | | | | |
| 1212180-27-2 | (S)-n-甲基2-溴庚氨酸 | (S)-n-methyl 2-bromophenylalaine | | | | |
| 1212180-29-4 | | benzyl cis-3-hydroxymethylcyclohexylcarbamate | | | | |
| 1212180-75-0 | | (S)-methyl 3-(3'-acetylbiphenyl-4-yl)-2-aminopropanoate hydrochloride | | | | |
| 1212182-03-0 | (R)-3-(2-羟乙基)吡咯烷-1-羧酸叔丁酯 | (R)-tert-butyl 3-(2-hydroxyethyl)pyrrolidine-1-carboxylate | | | | |
| 1212186-62-3 | | methyl trans-4-[(4-oxo-1,2,3-benzotriazin-3(4h)-yl)methyl]cyclohexanecarboxylate | | | | |
| 1212186-90-7 | | (S)-1-(3,4-dimethylphenyl)ethanamine hydrochloride | | | | |
| 121219-03-2 | 4-溴-3-氟苯酚 | 4-bromo-3-fluorophenol | | | | |
| 121219-07-6 | 2,3-二氟苯乙醚 | 2,3-difluorophenetole | | | | |
| 121219-08-7 | 4-己氧基苯基硼酸 (含不同量的酸酐) | 4-hexyloxyphenylboronic acid (contains varying amounts of anhydride) | | | | |
| 121219-12-3 | | 4-n-pentylbenzeneboronic acid | C11H17BO2 | 192.06 | | |
| 121219-16-7 | 2,3-二氟苯硼酸 | 2,3-difluorophenylboronic acid | C6H5BF2O2 | 157.91 | 225℃ | |
| 121219-19-0 | | 1,2-difluoro-3-(hexyloxy)benzene | | | | |
| 121219-20-3 | | 2,3-difluoro-4-(n-hexyloxy)phenylboronic acid | | | | |
| 121219-25-8 | 1,3-二氟-5-戊基苯 | 1,3-difluoro-5-pentylbenzene | | | | |
| 121219-38-3 | | 1-hexyl-4-(4-isothiocyanatophenyl)-bicyclo(2.2.2) | | | 50-82℃ | |
| 121219-95-2 | | 4-(trifluoromethoxy)benzamidine hydrochloride | | | | |
| 1212191-11-1 | | (2S)-2-(1,3-dioxo-1,3-dihydro-2h-pyrrolo[3,4-c]pyridin-2-yl)propanoic acid | | | | |
| 1212195-99-7 | | (2S)-2-(1,3-dioxo-1,3-dihydro-2h-pyrrolo[3,4-c]pyridin-2-yl)-4-methylpentanoic acid | | | | |
| 12122-10-0 | | Niobium,pentafluoro(oxybis[methane])-,(OC-6-21)- | C2H6F5NbO | 233.97 | | |
| 12122-15-5 | | bis(carbonato(2-))hexahydroxy penta-nicke | | | | |
| 12122-17-7 | 水锌矿 | Hydrozincite | Zn5(CO3)2(OH)6 | | | |
| 12122-67-7 | 亚乙基双(二硫代氨基甲酸)锌盐 | Zineb | C4H6N2S4Zn | 275.75 | | |
| 1212202-62-4 | | (S)-1-(4-(methylsulfonyl)phenyl)ethanamine hydrochloride | | | | |
| 121221-01-0 | | n-3-quinolinyl-2-((3-(triethylsilyl)propyl)amino)-acetamid dihydrochloride | | | | |
| 121221-02-1 | | n-5-quinolinyl-2-((3-(triethylsilyl)propyl)amino)-acetamid dihydrochloride | | | | |
| 121221-03-2 | | n-5-quinolinyl-3-((3-(triethylsilyl)propyl)amino)-propanamid dihydrochlorid | | | | |
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