天堂VA视频一区二区_色卡网站PROC免费_国产真实乱了露脸在线观看_变态拳头交视频一区二区_国产精品无码A∨精品影院APP_亚洲国产精品无码久久_成年无码AV片在线_亚洲欧美综合国产不卡

聚合物是一個大型的分子或高分子,很多重復的子單元組成。聚合物,無論是天然的還是合成的,都是通過許多被稱為單體的小分子聚合而產(chǎn)生的。

清空選項
2549-93-1 Cyclohexane-1,4-diyldimethanamine
BD544472549-93-198% (mix)
¥258.005g常備現(xiàn)貨
4437-01-8 O-Methylheptaethylene Glycol
BD2282674437-01-895%
¥51.001g常備現(xiàn)貨
3041-16-5 1,4-Dioxan-2-one
BD1257843041-16-598%
¥127.0010g常備現(xiàn)貨
3147-75-9 2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
BD12583147-75-997%
¥102.00100g常備現(xiàn)貨
96-45-7 Ethlenethiourea
BD4213996-45-797%
¥138.00500g常備現(xiàn)貨
68960-97-4 3,6,9,12-Tetraoxatetradecane-1,14-diamine
BD43461868960-97-495%
¥510.001g常備現(xiàn)貨
791028-27-8 3-(2-(2-Aminoethoxy)ethoxy)propanoic acid
BD434626791028-27-895%
¥286.001g常備現(xiàn)貨
850881-09-3 2-(3-Hexylthiophen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
BD250318850881-09-398%
¥2118.005g常備現(xiàn)貨
65016-55-9 3-Decylthiophene
BD1564565016-55-998%
¥103.0010g常備現(xiàn)貨
139-66-2 Diphenylsulfane
BD125841139-66-298%
¥296.00500g常備現(xiàn)貨
127-63-9 Sulfonyldibenzene
BD125842127-63-998%
¥61.00100g常備現(xiàn)貨
85-19-8 (5-Chloro-2-hydroxyphenyl)(phenyl)methanone
BD2285585-19-898%
¥2768.00100g常備現(xiàn)貨
552-30-7 1,3-Dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid
BD40781552-30-795% T
¥111.00500g常備現(xiàn)貨
999-21-3 Diallyl Maleate
BD42157999-21-397% (stabilized with HQ)
¥47.00100g常備現(xiàn)貨
5690-24-4 1,4,5,8-Naphthalenetetracarbondiimide
BD156705690-24-495%
¥715.001g常備現(xiàn)貨
13676-54-5 1,1'-(Methylenebis(4,1-phenylene))bis(1H-pyrrole-2,5-dione)
BD1816713676-54-596%
¥70.00100g常備現(xiàn)貨
85-52-9 2-Benzoylbenzoic acid
BD2286585-52-998%
¥62.00100g常備現(xiàn)貨
381-98-6 2-(Trifluoromethyl)propenoic acid
BD20569381-98-698% GC
¥58.005g常備現(xiàn)貨
3845-76-9 N-[3-(Dimethylamino)propyl]acrylamide
BD205823845-76-996% (stabilized with MEHQ)
¥44.0025g常備現(xiàn)貨
39389-20-3 Amberlyst 15 ion-exchange resin
BD29141539389-20-3Dry,H+≥4.7mmol/g
¥373.00500g常備現(xiàn)貨
95-96-5 3,6-Dimethyl-1,4-dioxane-2,5-dione
BD12653995-96-595%
¥64.0010g常備現(xiàn)貨
694-87-1 Bicyclo[4.2.0]octa-1,3,5-triene
BD34649694-87-197%
¥241.005g常備現(xiàn)貨
4808-48-4 3,4-Diphenylfuran-2,5-dione
BD659474808-48-498%
¥757.001g常備現(xiàn)貨
557-05-1 Zinc(II) stearate
BD157247557-05-1ZnO 12.5-14%
¥61.00100g常備現(xiàn)貨
6790-09-6 3,6,9,12,15,18,21,24,27,30,33-Undecaoxapentatriacontane-1,35-diol
BD1267446790-09-697%
¥831.0010g常備現(xiàn)貨
4834-98-4 Dodecanedioyl dichloride
BD1267634834-98-498%
¥81.001g常備現(xiàn)貨
128-69-8 Anthra[2,1,9-def:6,5,10-d'e'f']diisochromene-1,3,8,10-tetraone
BD81633128-69-895%
¥813.00500g常備現(xiàn)貨
81-33-4 Anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone
BD8163481-33-498%
¥396.0025g常備現(xiàn)貨
868-77-9 2-Hydroxyethyl methacrylate
BD22916868-77-997% (stabilized with MEHQ)
¥98.00500g常備現(xiàn)貨
652-12-0 Tetrafluorophthalic anhydride
BD5116652-12-098%
¥106.005g常備現(xiàn)貨
1 2 3 4 5 6 7 8 9 ... 38