| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 1212413-55-2 | | (R)-tert-butyl 3-(2-methoxyethoxy) pyrrolidine-1-carboxylate | | | | |
| 121242-20-4 | 顺式-3-氨基-4-甲氧基吡咯烷-1-羧酸叔丁酯 | tert-butyl cis-3-amino-4-methoxypyrrolidine-1-carboxylate | C10H20N2O3 | 216.28 | | 287.4±40.0 °C(Predicted) |
| 1212421-96-9 | | (2S)-2-(1,3-dioxo-1,3-dihydro-2h-pyrrolo[3,4-c]pyridin-2-yl)-3-methylbutanoic acid | C12H12N2O4 | 248.24 | | |
| 121243-20-7 | | pancopride | | | | |
| 1212430-16-4 | | 1-(methylsulfonyl)acetone oxime | | | | |
| 1212430-77-7 | rel-(3aR,7aS)-2-苄基八氢-1H-异吲哚-5-胺 | rel-(3aR,7aS)-2-Benzyloctahydro-1H-isoindol-5-amine | C15H22N2 | 230.35 | | |
| 1212440-45-3 | 叔丁基(7R,8as)-rel-7-氨基-八氢吡咯并[1,2-a]哌嗪-2-羧酸酯 | tert-butyl (7R,8as)-rel-7-amino-octahydropyrrolo[1,2-a]piperazine-2-carboxylate | | | | |
| 1212453-90-1 | (1S)-2-azabicyclo[2.2.1]heptane-4-carboxylic acid;hydrochloride | | C7H11NO2.HCl | 177.6282 | | |
| 121246-28-4 | | 1,3,5-triazine-2,4,6-triamine, n,n',n''-tris[4-[(1,4-dimethylpentyl)amino]pheny | | | | |
| 121246-56-8 | | 2,4,6(1h,3h,5h)-pyrimidinetrione, 1,3-dicyclohexyl-5-[[4-(dimethylamino)phenyl] | | | | |
| 121246-90-0 | 1-(3-氯吡嗪-2-基)乙酮 | 1-(3-chloropyrazin-2-yl)ethanone | C6H5ClN2O | 156.57 | | 211.4 °C at 760 mmHg |
| 121246-93-3 | 1-(3-氨基吡嗪-2-基)乙酮 | 1-(3-aminopyrazin-2-yl)ethanone | | | | |
| 121246-96-6 | 3-氯吡嗪-2-甲醛 | 3-chloropyrazine-2-carbaldehyde | C5H3ClN2O | 142.54 | | 214.3°C at 760 mmHg |
| 1212468-52-4 | | (2R,3R)-3-[(cyclopropylamino)carbonyl]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid | | | | |
| 121247-01-6 | 3-氟苯基乙二醛水合物 | 3-Fluorophenylglyoxal hydrate | C8H5FO2·XH2O | 152.13(anhy) | | |
| 121247-16-3 | | 1-(2,3-difluoro-6-nitrophenyl)propan-2-one | C9H7F2NO3 | 215.16 | | |
| 1212489-75-2 | (1R)-2-azabicyclo[2.2.1]heptane-4-carboxylic acid;hydrochloride | | C7H11NO2.HCl | 177.6282 | | |
| 121249-16-9 | | gu 7 | | | | |
| 1212491-08-1 | | (2S)-2-amino-3-methylpentanenitrile hcl | | | | |
| 12125-01-8 | 氟化铵 | Ammonium fluorde | NH4F | 37.04 | 98°C | 64.6℃ |
| 12125-02-9 | 氯化铵 | Ammonium Ion Chromatography Standard Solution Fluka | ClH4N | 53.49 | 340 °C (subl.)(lit.) | 520℃ |
| 12125-03-0 | 锡(iv)酸钾三水合物 | potassium tin(iv) oxide trihydrate | K2SnO3·3H2O | 298.94 | 140°C | |
| 12125-08-5 | 氯锇酸铵 | Ammonium hexachloroosmate | H8Cl6N2Os | 438.99 | 170℃ | |
| 12125-09-6 | | phosphonium, iodide | | | | |
| 12125-22-3 | | palladium sulfide (pds) | | | | |
| 12125-23-4 | | manganese disulphide | | | | |
| 12125-25-6 | | lutetium nitride (lun) | | | | |
| 12125-28-9 | 轻质碳酸镁 | Carbonic acid, magnesium salt (1:1), mix. with magnesium hydroxide, hydrate | MgCO3 | 201.10 | 600 °C (decomposition) | |
| 12125-56-3 | | nickel(iii) hydroxide | | | | |
| 12125-58-5 | | ytterbium telluride (ybte) | | | | |
| 12125-61-0 | | breithauptite | | | | |
| 12125-63-2 | | iron telluride (fete) | | | | |
| 12125-72-3 | | tricarbonyl((1,2,4,5,6-eta)-1,3,5-cycloheptatriene)-chromiu | | | 135-137℃ | |
| 12125-73-4 | | Manganese,(acetyl-Π-cyclopentadienyl)tricarbonyl-,oxime | C10H8MnNO4 | 261.11 | | |
| 12125-77-8 | | tricarbonyl(1,3,5-cycloheptatriene)-molybdenu | C10H8MoO3 | 272.11 | 100℃ | |
| 12125-87-0 | | tricarbonyl(methyl benzoate)chromium | C11H8CrO5 | 272.17 | 95-96 °C | |
| 121250-04-2 | (R)-3,3,3-三氟-2-羟基丙酸 | (R)-3,3,3-Trifluoro-2-hydroxypropanoic acid | C3H3F3O3 | 144.05 | 66-71 °C | 256.4±35.0 °C(Predicted) |
| 121250-06-4 | | 8,11-trihydroxy-lyxo- hexopyranosyl)oxy)-8-(chloroacetyl)-1-methoxy- (8S-cis | | | | |
| 121250-47-3 | | octadecadienoic acid | C18H32O2 | 280.45 | | 412.1 °C at 760 mmHg (lit.) |
| 121250-95-1 | | (propionyl1,d-tyr(et)2,val4,abu6,arg8'9)- vasopressin | C53H82N16O11 | 1119.33 | | |
| 121251-67-0 | | spiro[bicyclo[4.1.0]heptane-2,5'-[1,3]dioxane], | | | | |
| 121251-68-1 | | 3 beta,6 alpha)-ph | | | | |
| 121254-39-5 | 2-甲基环戊[i]菲 | 2-methylcyclopenta[l]phenanthrene | | | | |
| 121255-03-6 | | 2-methyl-n,n'-bis(1-methylethyl)-5-pentanediamine | | | | |
| 121255-05-8 | | 2-propenoic acid, 2-methyl-, polymer with 1,3-butadiene, ethenylbenzene, 2-meth | | | | |
| 121255-47-8 | | 3,3-bis-(stearoyloxymethyl)-heptane | C45H88O4 | 693.18 | | |
| 12126-34-0 | | bis(i-propylcyclopentadienyl)iron | C16H22Fe | 270.19 | | |
| 12126-50-0 | 双(五甲基环戊烯)铁 | Bis(pentamethylcyclopentadienyl)iron(II) | C20H30Fe | 326.30 | 277℃ | |
| 12126-57-7 | | alkaloids, ergot | | | | |
| 12126-59-9 | | genisis | | | | |
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