| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1203-55-0 | 萘并[2,1-d]噻唑-2-基胺 | naphtho[2,1-d]thiazol-2-ylamine | | | | |
| 1203-64-1 | 4-(2,3-二甲基苯基)哌嗪盐酸盐 | 4-(2,3-dimethylphenyl)piperazine hydrochloride | | | | |
| 1203-68-5 | | (1,1'-biphenyl)-2-carboxaldehyde | C13H10O | 182.22 | | 91-92 °C0.15 mm Hg(lit.) |
| 1203-73-2 | | 2,5-dimethyl-bicyclohexyl | C14H26 | 194.36 | | |
| 1203-85-6 | | 4-thia-1-azabicyclo(3.2.0)heptane-2-carboxylic acid, 6-amino-3,3-dimethyl-7-oxo | | | | |
| 1203-86-7 | | 2,2,2',4',5'-pentachloroacetophenone | | | | |
| 1203-87-8 | | 5h-amiloride | | | | |
| 1203-89-0 | 2-氨基-n-叔丁基苯甲酰胺 | 2-amino-n-tert-butylbenzamide | | | | |
| 1203-95-8 | | [2-(5-chloro-2-methyl-1h-indol-3-yl)ethyl]amine hydrochloride | | | | |
| 1203-99-2 | | 3-(2-aminopropyl)-5-chloro-indol hydrochloride | | | | |
| 12030-14-7 | | indium sulfide (ins) | | | | |
| 12030-24-9 | 硫化铟 | indium sulfide (in2S3) | In2S3 | 325.84 | 1050°C | |
| 12030-27-2 | | Diindium monotelluride | In2Te | 357.24 | | |
| 12030-29-4 | 碲化铟 | Indium telluride | In2Te5 | 867.64 | | |
| 12030-47-6 | | Iridium,compd. with niobium(1:3) | IrNb3 | 470.94 | | |
| 12030-49-8 | 氧化高铱 | Iridium(Ⅱ)dioxide | IrO2 | 224.22 | 1100°C (dec.) | |
| 12030-83-0 | | potassium-lithium(1/1) | KLi | 46.04 | | |
| 12030-85-2 | 铌酸钾 | Niobate(1-),potassium- | KNbO3 | 180.00 | | |
| 12030-88-5 | 氧化钾 | kali | KO2 | 71.09 | | |
| 12030-91-0 | 钽酸钾 | tantalate (tao31-), potassium | | | | |
| 12030-97-6 | 钛酸钾 | Titanate,dipotassium | K·1/2O3Ti | 270.07 | 1615℃ | |
| 12030-98-7 | | zirconate (zro32-), dipotassium | | | | |
| 120300-00-7 | | b29 gene product | | | | |
| 120300-02-9 | | thrombospondin related anonymous protein | | | | |
| 120300-08-5 | | antibiotic l 671329 | | | | |
| 120300-65-4 | | (47-lysine)hirudin (hv2),leech | | | | |
| 120302-30-9 | | 6-nitro-1h-indole-3-ethano | | | | |
| 120302-31-0 | | n-acetyl-arg(8)-vasopressi | | | | |
| 120302-59-2 | | bis(2-amino-5-nitrophenyl)-mercur | | | | |
| 1203041-41-1 | | (1-(1-(pyrazin-2-yl)ethyl)piperidin-3-yl)methanol hydrochloride | C12H20ClN3O | 257.76 | | |
| 1203045-74-2 | 1-(环丙基磺酰基)哌啶-3-羧酸 | 1-(cyclopropylsulfonyl)piperidine-3-carboxylic acid | | | | |
| 120305-22-8 | | praseadymium barium copper oxide (1-2-3) | | | | |
| 120307-06-4 | 四丁基三苯基硼酸铵 | Tetrabutylammoniumbutyltriphenylborate | C38H60BN | 541.7 | | |
| 120309-35-5 | | 2'-methoxy-5'-nitropropionanilide | | | | |
| 120309-73-1 | | 1,3-dihydro-1,3-bis(oxiranylmethyl)-4,5-diphenyl-2h-imidazol-2-on | | | | |
| 120309-75-3 | | 4-oxadiazole, 2,3-dihydro-2-(oxiranylmethoxy)-2,3,5-triphenyl-3 | | | | |
| 1203095-62-8 | | [2-(4-methyl-1,3-thiazol-5-yl)ethyl]amine hemioxalate | | | | |
| 1203099-07-3 | | 3-(cbz-amino)-azetidine hcl | C11H15ClN2O2 | 242.70 | | |
| 12031-11-7 | | potassium niobate, hexadecahydrate | | | | |
| 12031-17-3 | | Lanthanum niobium oxide(LaNbO4) | LaNbO4 | 295.81 | | |
| 12031-41-3 | | Lanthanum nickel oxide(La2NiO4) | La2NiO4 | 400.51 | | |
| 12031-43-5 | | lanthanum oxide sulfide (la2o2S) | | | | |
| 12031-47-9 | | lanthanum titanium oxide (la2ti2o7) | La2O7Ti2 | 485.56 | | |
| 12031-48-0 | | lanthanum zirconate | La2O9Zr3 | 695.46 | | |
| 12031-49-1 | | lanthanum sulfide (la2S3) | La2S3 | 373.99 | 2100-2150℃ | |
| 12031-51-5 | | lanthanum selenide (la2Se3) | | | | |
| 12031-53-7 | | lanthanum telluride (la2te3) | | | | |
| 12031-63-9 | | Niobate(NbO3-1),lithium | LiNbO3 | 147.85 | 1250℃ | |
| 12031-65-1 | | lithiated metal oxide | | | | |
| 12031-66-2 | 钽酸锂 | Lithium tantalate(LiTaO3) | LiO3Ta | 235.89 | >300 °C (lit.) | |
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