| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 642-38-6 | | (-)-quebrachitol | C7H14O6 | 194.18 | 190-198℃ | |
| 642-44-4 | | 1-allyl-6-amino-3-ethyl-uraci | C9H13N3O2 | 195.22 | | |
| 642-58-0 | | n,n-diethyl-2-(diphenylmethoxy)-ethylamin | | | | |
| 642-63-7 | | di(1H,1H,7H-dodecafluoroheptyl)2-phenylglutarate | C25H16F24O4 | 836.35 | | |
| 642-65-9 | | n-fluoren-2-yldi-acetamid | | | | |
| 642-69-3 | | n,n'-(2-(2-(5-nitro-2-furyl)vinyl)-4,6-quinolinediyl)bis-acetamid | | | | |
| 642-71-7 | | 3,4,5-trimethoxyphenol | C9H12O4 | 184.19 | 146-149℃ | |
| 642-72-8 | 苄达明 | 1-benzyl-3-(3-(dimethylamino)propoxy)-1h-indazol | C19H23N3O | | | |
| 642-75-1 | | 6-triol, 1-methyl-indole-5 | | | | |
| 642-78-4 | | 3-dimethyl-7-oxo-thyl- 4-isoxazolecarboxamido)- monosodium salt | C19H17ClN3NaO5S | 457.86 | | |
| 642-81-9 | | naramycin b | | | | |
| 642-83-1 | | 1,4:6,3-dilactone, diacetate, d-glucaric aci | | | | |
| 642-84-2 | 3',4',5-三氯水扬苯胺 | 3',4',5-trichlorosalicylanilide | | | | |
| 642-91-1 | | 2,1-benzisoxazole-3-carboxylic acid | | | | |
| 642-98-8 | | d-ribonic acid lithium salt | | | | |
| 6420-04-8 | | 5-[[4'-[[4,5-dihydro-3-methyl-5-oxo-1-(4-sulfophenyl)-1h-pyrazol-benzoic aci | | | | |
| 6420-06-0 | | 1-naphthalenesulfonic acid, 4-hydroxy-3-((4'-((1-hydroxy-5-sulfo-2-naphthalenyl | | | | |
| 6420-22-0 | | 2,7-naphthalenedisulfonic acid, 5-amino-3-[[4'-[(6-amino-1-hydroxy-3-sulfo-2-na | | | | |
| 6420-28-6 | | benzoic acid, 3,3'-[carbonylbis[imino(2-methyl-4,1-phenylene)azo-4,1-phenylenec | | | | |
| 6420-29-7 | | 1,5-naphthalenedisulfonic acid, 3,3'-[carbonylbis[imino(2,5-dimethyl-4,1-phenyl | | | | |
| 6420-33-3 | 3,3'-[羰[双(亚氨基)(5-甲氧基-2-甲基-4,1-亚苯基)偶氮]]双-1,5-萘二磺酸四钠盐 | 1,5-Naphthalenedisulfonic acid, 3,3'-[carbonylbis [imino(5-methoxy-2-methyl-4,1-phenylene) azo]]bis-, tetrasodium salt | C37H32N6O15S4·4Na | | | |
| 6420-36-6 | | benzenesulfonic acid, 3,3'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene) | | | | |
| 6420-38-8 | | 2-naphthalenesulfonic acid, 7,7'-iminobis[3-[(2,4-dimethylphenyl)azo]-4-hydroxy | | | | |
| 6420-39-9 | | 7,7'-iminobis[3-[(3-aminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic aci di | | | | |
| 6420-40-2 | | benzoic acid, 3-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-naphthaleny | | | | |
| 6420-41-3 | | 2-naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-(phenylazo)-7-sulfo-2-n | | | | |
| 6420-43-5 | | 2-naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methylphenyl)azo]-7 | | | | |
| 6420-44-6 | 4-羟基-7-[[[[5-羟基-6-[(2-甲氧基苯基)偶氮]-7-磺基-2-萘基]氨基]羰基]氨基]-3-[(2-甲基-4-磺苯基)偶氮]-2-萘磺酸三钠盐 | 2-Naphthalenesulfonic acid, 4-hydroxy-7-[[[[5-hydroxy-6-[(2-methoxyphenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-[(2-methyl-4-sulfophenyl)azo]-, trisodium salt | C35H28N6O13S3·3Na | | | |
| 6420-46-8 | | 7,7'-(carbonyldiimino)bis[3-[(3-aminophenyl)azo]-4-2-naphthalenesulfonic aci | | | | |
| 6420-47-9 | | phenol, 2-sec-butyl-4,6-dinitro-, 2,2',2''-nitrilotriethanol salt | | | | |
| 642008-81-9 | | brd6989 | | | | |
| 64201-63-4 | | 1-((1,1'-biphenyl)-4-ylhydroxyamino)-1-deoxy-beta-d-glucopyranuronic aci mo | | | | |
| 64201-64-5 | | quinoline n-oxide hydrate | C9H7NO.xH2O | | 50-55℃ | |
| 64202-91-1 | | 1-(4-bromophenyl)-3-(2-phenethyl)urea | | | | |
| 64203-00-5 | | 2-chloro-n-(2-methoxyethyl)-o-acetanisidid | | | | |
| 64204-32-6 | | glycine, n-(2-(3,4-dichlorophenyl)-2-hydroxy-1-iminoethyl)-, ethyl ester, monoh | | | | |
| 64204-49-5 | | 2-((3,4-dichlorophenyl)amino)-n-hydroxy-ethanimidamid monohydrochloride | | | | |
| 64204-51-9 | | 2-((4-chlorophenyl)amino)-n-hydroxy-ethanimidamid dihydrochloride | | | | |
| 64204-55-3 | | n-cyclohexyl-1-piperazineacetamid | | | | |
| 64204-56-4 | | n-(4-methylcyclohexyl)-1-piperazineacetamid | | | | |
| 64205-12-5 | | z-d-tyrosine | C17H17NO5 | 315.32 | | |
| 64205-15-8 | 降冰片烯-2,3-二羧基亚胺基叔丁基碳酸酯 | tert-butyl (1,3-dioxo-3a,4,7,7a-tetrahydro-1h-4,7-methanoisoindol-2(3h)-yl) carbonate | | | | |
| 64205-19-2 | | n-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)phosphatidylethanolamine | | | | |
| 64205-22-7 | | 2-butenoic acid, 2,6-dichloro-4-nitrophenyl ester | | | | |
| 64205-66-9 | | boc-leu-pro-oh | C16H28N2O5 | 328.40 | | |
| 64205-92-1 | 4,5-二氢-1h-咪唑-2-磺酸 | 4,5-dihydro-1h-imidazole-2-sulfonic acid | | | | |
| 64206-54-8 | | salicylic acid, valerate | | | | |
| 642066-70-4 | | trans-2-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)allyoxy]tetrahydropyran | | | | |
| 642075-18-1 | | ethyl-(1-methyl-1 h -imidazol-2-ylmethyl)-amine | | | | |
| 642075-19-2 | | n-methyl-1-(1-methyl-1h-imidazol-2-yl)methanamine | | | | |
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