| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 51264-79-0 | | 2-(4-formyl-2-methoxyphenoxy)propanoic acid | C11H12O5 | 224.22 | | |
| 51264-80-3 | | 2-(2-ethoxy-4-formylphenoxy)propanoic acid | | | | |
| 51265-45-3 | | Pyridazine,4,5-dichloro-3,6-bis[(trimethylsilyl)oxy]- | C10H18Cl2N2O2Si2 | 325.34 | | |
| 51267-44-8 | (s)-3,4-二羟基丁酸 锂盐 水合物 | (s)-3,4-dihydroxybutyric acid lithium salt hydrate | C4H8O4·xLi+·yH2O | 120.10 (free) | | |
| 51268-87-2 | | 3- | C8H16O3 | 160.21 | | 90℃(10 t |
| 51268-88-3 | | (1R,2S)-cis-1,2-Dihydro-1,2-naphthalenediol | | | 136-139℃ | |
| 51269-81-9 | 5-氯烟酸甲酯 | methyl 5-chloronicotinate | C7H6ClNO2 | 171.58 | | 230.4°C at 760 mmHg |
| 51269-82-0 | 5-氯烟腈 | 5-chloronicotinonitrile | C6H3ClN2 | 138.55 | | 208.3°C |
| 51269-92-2 | N-(吡啶-3-基)甲磺酰胺 | N-(Pyridin-3-yl)methanesulfonamide | C6H8N2O2S | 172.2 | | |
| 51270-20-3 | | (+-)-7-oxa-3-thia-1-azaspiro(5.5)undec-1-en-2-amin (z)-2-butenedioate (1:1) | | | | |
| 51271-29-5 | | benzyl-alpha,alpha-d2 bromide | | | | 198℃ |
| 51273-58-6 | | violet | | | | |
| 51273-66-6 | | listerine | | | | |
| 51274-00-1 | 透明氧化铁黄 | c.i.pigmentyellow42 | Fe2O3 | 159.69 | 350~400℃ | |
| 51274-09-0 | | vantocil | | | | |
| 51274-37-4 | 聚环氧琥珀酸 | polyepoxysuccinic acid | (C4H4O5)n(free) | | | |
| 51274-50-1 | | (hydroxymethyl)-cyanamid | | | | |
| 51274-66-9 | | 1,1'-dimethyl-1,1',2,2',3,3',6,6'-octahydro-4,4'-bipyridine | | | | |
| 51274-67-0 | | 1'-biphenyl)-3-ol, 2,2',5,5'-tetrachloro-( | | | | |
| 51274-68-1 | | 1'-biphenyl)-4-ol, 2,2',5,5'-tetrachloro-( | | | | |
| 51274-71-6 | | 4-peroxycyclophosphamide | | | | |
| 51274-82-9 | | 3-(p-chlorophenyl)-, hydrochloride, dl-alanin | | | | |
| 51274-83-0 | | 2-(2'-chloro-4'-methyl-3'-thienylamino)-1,3-diazacyclo-pent-2-ene hydrochlori | | | | |
| 51274-89-6 | | 2-propenoic acid, methyl ester, polymer with diethenylbenzene, ethenylbenzene a | | | | |
| 51276-34-7 | 化合物 TN2739 | 2,6-Dimethyl-3,7-octadiene-2,6-diol | C10H18O2 | 170.25 | | |
| 51276-47-2 | | phosphinothricin | C5H12NO4P | 181.13 | >206 °C (dec.) (lit.) | 519.1 °C at 760 mmHg (lit.) |
| 51276-85-8 | 2-氨基-1h-苯并[d]咪唑-5-醇 | 2-amino-1h-benzo[d]imidazol-5-ol | C7H7N3O | 149.15 | | 469°C |
| 51276-91-6 | | pyridinium, 4-(ethylthio)-4'-formyl-1,1'-(oxydimethylene)di-, dichloride, oxime | | | | |
| 51276-92-7 | | 1,1'-(oxydimethylene)bis(3-iodo-pyridiniu dichloride | | | | |
| 51276-93-8 | | 1,1'-(oxydimethylene)bis(4-(methylthio)-pyridiniu dichloride | | | | |
| 51276-94-9 | | 1,1'-(oxydimethylene)bis(4-(dimethylamino)-pyridiniu dichloride | | | | |
| 51276-95-0 | | 1,1'-(oxydimethylene)bis(3-(dimethylamino)-pyridiniu dichloride | | | | |
| 51276-96-1 | | 1,1'-(oxydimethylene)bis(3-tert-butyl-pyridiniu dichloride | | | | |
| 51277-02-2 | N-乙基-N,N-双(2-羟乙基)-1-十八烷基铵硫酸乙酯 | 1-Octadecanaminium, N-ethyl-N,N-bis(2-hydroxyethyl)-, ethyl sulfate (salt) | C24H52NO2·C2H5O4S | | | |
| 51277-96-4 | 赢创德固赛varisoft patc | | | | | |
| 512778-95-9 | 1-(2-甲氧基乙基)-4-羟基哌啶 | 1-(2-methoxyethyl)-4-piperidinol | C8H17NO2 | 159.23 | | 250.7 °C |
| 51278-28-5 | 正戊基硫代硫酸钠 | sodium n-pentylthiosulfate | | | | |
| 51278-35-4 | | ala(6)-lhr | | | | |
| 51278-51-4 | | 6-chloro-6-methyl-undecane | C12H25Cl | 204.78 | | |
| 51278-97-8 | | 4-morpholinebutanoic acid, 6a,7,8,10a-tetrahydro-3-pentyl-6,6,9-trimethyl-6h-di | | | | |
| 512784-93-9 | (2R)-4-oxo-2-[(3S,4R)-2-oxo-3-[(4S)-2-oxo-4-phenyl-1,3-oxazolidin-3-yl]-4-[(E)-2-phenylethenyl]azetidin-1-yl]-N-[(1R)-1-phenylethyl]-4-(4-piperidin-1-ylpiperidin-1-yl)butanamide | | C42H49N5O5 | 703.88 | | |
| 512785-77-2 | | tert-butyl 3-phenylprop-2-ynylcarbamate | C14H17NO2 | 231.29 | | |
| 512786-36-6 | 2-(2-溴-3-甲基苯基)乙酸甲酯 | Methyl 2-(2-bromo-3-methylphenyl)acetate | C10H11BrO2 | 243.1 | | 282.2±25.0 °C(Predicted) |
| 512787-44-9 | 1-(4-异丙基苯甲基)-5-硝基-1H-吲哚 | 1-(4-isopropylbenzyl)-5-nitro-1H-indole | C18H18N2O2 | 294.35 | | |
| 51279-01-7 | | n-(3-ethylphenyl)acetamide | | | | |
| 51279-53-9 | | methyl-pyridin 1-oxide | | | | |
| 512795-70-9 | | n-allyl-2-[(2-methylphenoxy)acetyl]hydrazinecarbothioamide | | | | |
| 512795-99-2 | | methyl 5-[(cyclohexylamino)methyl]-2-furoate hydrochloride | | | | |
| 5128-10-9 | 庚酸铜(2+)盐 | Heptanoic acid, copper(2+) salt | C7H14O2·1/2Cu | | | |
| 5128-21-2 | | orthotitanic acid tetraallyl ester | C12H20O4Ti | 276.15 | | |
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