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CAS编号中文名英文名分子式分子量熔点沸点
1257295-52-5tert-Butyl 2-isopropyl-3-oxopiperazine-1-carboxylateC12H22N2O3242.318381.1±35.0 °C(Predicted)
1257296-40-43-溴-1H-吲唑-1-甲酸叔丁酯tert-Butyl 3-bromo-1H-indazole-1-carboxylateC12H13BrN2O2297.1600  
12573-51-2Dicesium pentakis(1,1,1,5,5,5-hexafluoro-2,4-pentanedionato)-lanthanate(2-)C25H5Cs2F30LaO101439.97
1257300-08-54-(1,1-二氟乙基)哌啶盐酸盐4-(1,1-difluoroethyl)piperidine hydrochloride
1257300-52-98-boc-2,2-二氧代-1,3-二氧杂-2-硫杂-8-氮杂螺[4.5]癸烷8-boc-2,2-dioxo-1,3-dioxa-2-thia-8-azaspiro[4.5]decane
1257301-28-24-methyl-4-piperidinecarboxamide hydrochlorideC7H15ClN2O178.66
1257303-30-26-氯-1-甲基-5-硝基-1H-吲唑6-Chloro-1-methyl-5-nitro-1H-indazoleC8H6ClN3O2211.61
1257303-72-2Benzyl((1R,3S)-3-羟基环己基)氨基甲酸酯benzyl(1R,3S)-(3-hydroxycyclohexyl)carbamateC14H19NO3249.31427.6±44.0 °C(Predicted)
125731-90-0Ethanone,2,2-dichloro-1-phenyl-2-(phenylseleno)-C14H10Cl2OSe344.10
125732-13-0ethyl 3-(2,6-dimethoxyphenyl)-3-oxopropanoate
1257321-41-74,4'-二溴-9,9'-螺二[9h-芴]4,4'-dibromo-9,9'-spirobi[9h-fluorene]C25H14Br2474.2225 °C
1257326-24-11-苯基-3-(哌啶-2-基甲基)咪唑烷-2-酮盐酸盐1-Phenyl-3-(piperidin-2-ylmethyl)imidazolidin-2-one hydrochlorideC15H22ClN3O295.8077  
1257329-71-74-甲基-5-(三氟甲基)噻唑-2-胺4-Methyl-5-(trifluoromethyl)thiazol-2-amineC5H5F3N2S182.17
125733-43-93',4'-二氯-2,2,2-三氟苯乙酮3',4'-dichloro-2,2,2-trifluoroacetophenone
125734-40-94-[(2-phenylethyl)sulfanyl]benzaldehyde
125734-49-85-(二甲氧基甲基)吡啶甲酸甲酯Methyl 5-(dimethoxymethyl)picolinateC10H13NO4211.22305.5±37.0 °C(Predicted)
125735-40-21-benzhydryl-3-iodoazetidineC16H16IN349.21101-102°C377.4°C
125737-30-6terpenes and terpenoids, cedarwood-oil, texan, acetylated
1257379-83-11,3,5-苯三羧酸铁(iii)水合物,多孔(不含f的mil-100(fe),krict f100)[铁三聚物]iron(iii) 1,3,5-benzenetricarboxylate hydrate, porous (f-free mil-100(fe), krict f100) [iron trimesate]C18H11Fe3O16650.8
1257379-88-6铁偶氮苯四羧酸,多孔[pcn-250(fe)], f250iron azobenzene tetracarboxylic, porous [pcn-250(fe)], ayrsorb? f250
1257381-44-42-氧杂-7-氮杂螺[3.5]壬烷三氟乙酸盐2-oxa-7-azaspiro[3.5]nonane 2,2,2-trifluoroacetateC9H14F3NO3241.21
1257381-66-0pyrrolidin-1-yl(pyrrolidin-3-yl)methanone hclC9H16N2O168.24
1257397-59-34-(difluoromethyl)bicyclo[2.2.2]octane-1-carboxylic acidC10H14F2O2204.217
1257403-88-51-(tert-butyl)-6,7-dihydro-1h-pyrazolo[4,3-c]pyridin-4(5h)-oneC10H15N3O193.25
1257408-55-1Demethylagrimonolide 6-O-glucosideC23H26O10462.45842.6±65.0 °C(Predicted)
125741-64-2s-farnesylcysteine alpha-carboxyl methyl ester
1257423-87-21-(benzo[d][1,2,3]thiadiazol-6-yl)-3-(3,4-dichlorophenyl)ureaC13H8Cl2N4OS339.2
1257426-19-9TBA-354 C19H15F3N4O5436.34
1257426-54-2(4-(5-氟吡啶-2-基)苯基)甲醇(4-(5-Fluoropyridin-2-yl)phenyl)methanolC12H10FNO203.21
125743-63-74-[(4-甲基-1-哌嗪基)甲基]苯腈4-((4-methylpiperazin-1-yl)methyl)benzonitrileC13H17N3215.2969℃342.5±32.0℃(Predicted)
125743-80-8氯雷他定杂质floratadine impurity f
1257431-63-22-(5-(4,4,5,5-四甲基-1,3,2-二氧硼戊烷-2-基)吡啶-3-基)丙-2-醇2-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-3-yl)propan-2-olC14H22BNO3263.1400  
125744-21-02-methyl-4-propanamidobenzene-1-sulfonyl chloride
1257440-43-9n-(5-(3-氯苯基)-2,7-二氧1,2,4,7-四氢[1,5-a]嘧啶-3-基)乙酰胺n-[5-(3-chlorophenyl)-2,7-dioxo-1,2,4,7-tetrahydropyrazolo[1,5-a]pyrimidin-3-yl]acetamide
1257442-93-5内-8-氮杂双环[3.2.1]辛烷-3-甲醇盐酸盐endo-8-azabicyclo[3.2.1]octane-3-methanol hydrochlorideC8H16ClNO177.67
1257446-64-2n-boc-4-(3-chlorophenyl)-d-phenylalanine
125750-80-3Dichloromethyl-phosphaneCH3Cl2P116.91
1257512-65-4(1R,3R,5S)-8-氮杂双环[3.2.1]辛-3-基甲醇(1R,3R,5S)-8-azabicyclo[3.2.1]octan-3-ylmethanol
1257515-96-0n-[1-(2-amino-ethyl)-piperidin-4-yl]-acetamide
1257517-66-04-溴-2,3-二氯苯甲酸4-Bromo-2,3-dichlorobenzoic acidC7H3BrCl2O2269.9075  
1257517-67-1丁胺卡那霉素(阿米卡星)水合物amikacin hydrateC22H43N5O13·xH2O585.6
125752-35-4nodp protein
125752-36-5nodq protein
1257520-11-8(E)-Methyl 4-(4-cyanophenyl)-2-oxobut-3-enoateC12H9NO3215.21
1257525-77-1盐酸硫胺素-(4-甲基-13c-噻唑-5-基-13c3) 盐酸盐thiamine-(4-methyl-13c-thiazol-5-yl-13c3) hydrochlorideC12H18Cl2N4OS 341.24260 °C
1257526-90-1(R)-6-氯色满-4-胺盐酸盐(R)-6-chlorochroman-4-amine hclC9H11Cl2NO220.1
1257526-91-2(R)-7-氯-1,2,3,4-四氢萘-1-胺盐酸盐(R)-7-Chloro-1,2,3,4-tetrahydronaphthalen-1-amine hydrochlorideC10H13Cl2N218.12
1257527-14-22-[(4S)-4-叔丁基-4,5-二氢-2-噁唑基]-4-(三氟甲基)吡啶2-[(4S)-4-tert-butyl-4,5-dihydro-2-oxazolyl]-4-(trifluoromethyl)pyridineC13H15F3N2O272.2756-59 °C335.7±42.0 °C
1257527-53-91-methyl-1h-indazole-4-boronic acid hydrochlorideC8H10BClN2O2212.44
1257527-54-05-alpha-dihydrotestosterone 97% chemical purity (2,3,4-13c3,99%)
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