| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 28888-44-0 | 2,4-二羟基-6,7-二甲氧基喹唑啉 | 6,7-dimethoxy-2,4(1h,3h)-quinazolinedione | C10H10N2O4 | 222.20 | 323-325℃ | |
| 28888-81-5 | | hexadecachloro-phthalocyanide | C32H2Cl16N8 | 1065.66 | | |
| 28889-33-0 | | 2,1-jk)(1,4)benzodiazepin-1(2h)-one, 3,4-dihydro-pyrrolo( | | | | |
| 28889-34-1 | | 2,3-ef)(1,5)benzodiazepin-2(1h)-one, 6,7-dihydro-9-chloro-4-phenyl-pyrrolo( | | | | |
| 28889-82-9 | | Tin,tetrachlorobis[phenylphosphonic dichloride-O]- | C12H10Cl8O2P2Sn | 650.47 | | |
| 2889-58-9 | | isocyanic acid, p-isopropenyl-alpha,alpha-dimethylbenzyl ester | C13H15NO | 201.26 | | |
| 2889-61-4 | | 1-thio-2,5-dihydroxybenzene | | | | |
| 28890-99-5 | 苯并咪唑并苯并咪唑 | 5h-benzo[d]benzo[4,5]imidazo[1,2-a]imidazole | | | | |
| 28891-34-1 | | 1,3-benzothiazole-2-carbohydrazide | | | | |
| 28894-73-7 | | lactic acid, 2,3-epoxytetradecahydro-4,8,11,11a-tetrahydroxy-1,1,4,8-tetramethy | | | | |
| 28894-74-8 | | 7,9a-alpha-methano-9ah-cyclopenta(b)heptalene-4,8,10,11,11a-beta,(1h)-pent ol, | | | | |
| 28895-09-2 | | 2-amino-, hydrochloride, (S)-1-butano | | | | |
| 28895-91-2 | | 3-acetyl-1-methyl-1-nitroso-ure | | | | |
| 28896-49-3 | | ether, bis(p-iodophenyl) | | | | |
| 28897-20-3 | | 9-undecatrien-4-ol, 6,10-dimethyl-5 | | | | |
| 28897-58-7 | | 2-methyl-2-hexenoic aci | C7H12O2 | 128.17 | | |
| 28898-02-4 | 2-氟-n-(2-硝基苯基)苯胺 | 2-fluoro-n-(2-nitrophenyl)aniline | | | | |
| 28898-03-5 | n-(2-氟苯基)-1,2-二氨基苯 | n1-(2-fluorophenyl)benzene-1,2-diamine | | | | |
| 28898-67-1 | | heneicosanoic acid-ethyl ester | | | | |
| 28899-21-0 | | 1-allyl-4(1h)-quinazolinon | | | | |
| 28899-75-4 | | 7-chloro-1h-indole-2-carboxylic acid | | | | |
| 28899-92-5 | | 4-b)indole, 2,3,4,9-tetrahydro-9-methyl-1-(2-pyridinyl)-1h-pyrido( monohydro | | | | |
| 289-13-4 | | 1,3,4-selenadiazole | C2H2N2Se | 133.01 | | |
| 289-14-5 | | 1,2,4-trioxolane | C2H4O3 | 76.05 | | |
| 289-16-7 | | 1,2,4-Trithiolane | C2H4S3 | 124.25 | | |
| 289-22-5 | 环戊硅烷 | si5h10; cps; cyclopentasilane | | | | |
| 289-31-6 | | arsabenzene | C5H5As | 140.02 | | |
| 289-65-6 | | 4H-pyran | C5H6O | 82.10 | | |
| 289-68-9 | | phosphabenzene | C5H5P | 96.07 | | |
| 289-75-8 | | stibabenzene | C5H5Sb | 186.84 | | |
| 289-78-1 | | stannin | | | | |
| 289-80-5 | 哒嗪 | 1,2-diazabenzene | C4H4N2 | 80.09 | -8--6℃ | 208℃ |
| 289-95-2 | 嘧啶 | pyrimidine | C4H4N2 | 80.09 | 20-22℃ | 123-124℃ |
| 289-96-3 | | 1,2,3-triazine | | | | |
| 2890-11-1 | | 7-dimethylaminonaphthalene-1,2-dicarbonic acid hydrazide | | | | |
| 2890-24-6 | | cyclohexyl 2,5-dimethylphenyl ketone | | | | |
| 2890-28-0 | | 2,3-dihydro-5-phenyl-7-(trifluoromethyl)-1h-4-benzodiazepine | | | | |
| 2890-60-0 | | 1-phenyl-cyclohexanecarboxamid | | | | |
| 2890-61-1 | | 1-methyl-1-cyclohexanecarboxylic acid chloride | | | | |
| 2890-62-2 | | Methyl-(1-methyl-cyclohexyl)ketone | C9H16O | 140.22 | | |
| 2890-88-2 | | Trichloro(triethylamine)boron | C6H15BCl3N | 218.36 | | |
| 28900-10-9 | 2-氯-3-氰基-6-甲基吡啶 | 2-chloro-6-methyl-3-pyridinecarbonitrile | C7H5ClN2 | 152.58 | 113-117℃ | 140-145℃ |
| 28900-91-6 | | formylmethylene triphenylphosphorane | | | | |
| 28901-52-2 | | 2-pyridin-2-yl-benzoic acid ethyl ester | | | | |
| 28901-77-1 | | diphosphoric acid, dibutyl ester | | | | |
| 28901-96-4 | 铜酸(1-)氢[29H,31H-酞菁磺酸(3-)N29,N30,N31,N32] | Cuprate(1-), [29H,31H-phthalocyanine-C-sulfonato(3-)-N29,N30,N31,N32]-, hydrogen | C32H15CuN8O3S·H | | | |
| 28902-18-3 | 1,3-苯二甲酸与1,4-苯二甲酸、癸二酸、1,2-乙二醇和己二酸的聚合物 | Sebacic acid, polyester with adipic acid, ethylene glycol, isophthalic acid and terephthalic acid | (C10H18O4·C8H6O4·C8H6O4·C6H10O4·C2H6O2)x | | | |
| 28902-82-1 | 4-(1-氧代-2-丙烯基)吗啉的均聚物 | Morpholine,4-(1-oxo-2-propenyl)-, homopolymer | (C7H13NO2)x | | | |
| 28902-93-4 | | hydroxylysine | | | | |
| 28903-24-4 | | pentachlorocyclohexene | | | | |
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