| 1 | 3121-14-0 | Thiazolo[4,5-f]quinoline, 2,9-dimethyl- (7CI,8CI,9CI) | Thiazolo[4,5-f]quinoline, 2,9-dimethyl- (7CI,8CI,9CI) | C12H10N2S | | |
| 2 | 3121-52-6 | 3-(carboxymethyl)-2-methylbenzothiazoleium bromide | 3-(carboxymethyl)-2-methylbenzothiazoleium bromide | C10H10BrNO2S | | |
| 3 | 3121-60-6 | 2,2'-DIHYDROXY-4,4'-DIMETHOXY-5-SULFOBENZOPHENONE SODIUM SALT | 2,2'-DIHYDROXY-4,4'-DIMETHOXY-5-SULFOBENZOPHENONE SODIUM SALT | C15H13NaO8S | 有机化工原料 | |
| 4 | 3121-61-7 | 2-甲烷氧基乙基丙烯酸酯 | Ethyleneglycol monomethyl ether acrylate | C6H10O3 | 单体;分析纯;标准品;丙烯酸酯;有机化工;高分子科学;羰基化合物;有机化工原料 | |
| 5 | 3121-68-4 | tocopheronolactone | tocopheronolactone | C16H20O4 | | |
| 6 | 3121-70-8 | 1-丁酸萘基酯 | 1-Naphthyl butyrate | C14H14O2 | 酯;生化试剂;植物激素及核酸类;生化试剂-植物激素及核酸类 | |
| 7 | 3121-71-9 | 丙酸-1-萘酯 | 1-Naphthyl Propionate | C13H12O2 | | |
| 8 | 3121-74-2 | 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonic acid | 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonic acid | C22H16N6O9S2 | | |
| 9 | 3121-75-3 | 3121-75-3 | CHLOROMETHYLDIMETHYL-N-BUTYLSILANE | C7H17ClSi | | |
| 10 | 3121-76-4 | Silane,(chloromethyl)dimethylpropyl- | Silane,(chloromethyl)dimethylpropyl- | C6H15ClSi | | |
| 11 | 3121-77-5 | (氯甲基)二甲基乙基硅烷 | (Chloromethyl)dimethylethylsilane | C5H13ClSi | 有机硅 | |
| 12 | 3121-79-7 | 4,4-二甲基戊烷-1-醇 | 4,4-DIMETHYL-1-PENTANOL | C7H16O | | |
| 13 | 3121-84-4 | | 1-Butanol, 4-(trimethylsilyl)-, 1-carbamate | C8H19NO2Si | | |
| 14 | 3121-85-5 | | 1-Hexanol, 5,5-dimethyl-, 1-carbamate | C9H19NO2 | | |
| 15 | 31210-58-9 | | Mercury, bis(methioninato-κN,κO)-, (T-4)- | C10H18HgN2O4S2 | | |
| 16 | 31210-96-5 | Pentanoyl chloride, 2-bromo-5-chloro- | Pentanoyl chloride, 2-bromo-5-chloro- | C5H7BrCl2O | | |
| 17 | 31211-14-0 | 1-溴-3-(甲氧基甲基)苯 | 6,8-dichloro-1H-benzo[cd]indol-2-one | C11H5Cl2NO | | |
| 18 | 31211-17-3 | Benz[cd]indol-2(1H)-one, 8-bromo-6-nitro- | Benz[cd]indol-2(1H)-one, 8-bromo-6-nitro- | C11H5BrN2O3 | | |
| 19 | 31211-21-9 | 6,8-dibromobenzo[cd]indol-2(1H)-one | 6,8-dibromobenzo[cd]indol-2(1H)-one | C11H5Br2NO | | |
| 20 | 31211-31-1 | 6-BENZOYL-CYCLOHEX-3-ENECARBOXYLIC ACID | 6-BENZOYL-CYCLOHEX-3-ENECARBOXYLIC ACID | C14H14O3 | | |
| 21 | 31212-13-2 | 聚丙烯酸-丙烯酰胺 钾盐 | 聚丙烯酸-丙烯酰胺 钾盐 | C6H8KNO3 | | |
| 22 | 31212-28-9 | 硝基苯磺酸 | 2-NITROBENZENESULFONIC ACID | C6H5NO5S | | |
| 23 | 31212-46-1 | Acrypet ST | Acrypet ST | C26H28O5 | | |
| 24 | 31213-86-2 | 己二酸与1,4-苯二羧酸二甲基酯和1,2-乙二醇的聚合物 | 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,2-ethanediol and hexanedioic acid | C18H26O10 | | |
| 25 | 31215-04-0 | heptyl-2-naphthol | heptyl-2-naphthol | C17H22O | | |
| 26 | 31215-05-1 | octyl-2-naphthol | octyl-2-naphthol | C18H24O | | |
| 27 | 31215-06-2 | 2-Naphthalenol, nonyl- | 2-Naphthalenol, nonyl- | C19H26O | | |
| 28 | 31215-94-8 | cadmium (1,1-dimethylethyl)benzoate | cadmium (1,1-dimethylethyl)benzoate | C22H26CdO4 | | |
| 29 | 31216-20-3 | 1,4-苯二羧酸二甲酯与1,3-二氢-1,3-二氧代-5-异苯并呋喃羧酸、1,2乙二醇、4,4'-亚甲基二(苯胺)和1,2,3-丙三醇的聚合物 | 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,3-dihydro-1,3-dioxo-5-isobenzofurancarboxylic acid, 1,2-ethanediol, 4,4'-methylenebis[benzenamine] and 1,2,3-propanetriol | C37H42N2O14 | | |
| 30 | 31217-00-2 | 5-氯-1,3-二甲基嘧啶-2,4(1H,3H)-二酮 | 5-Chloro-1,3-dimethyluracil | C6H7N2O2Cl | | |
| 31 | 31217-31-9 | | Estra-4,9,11-trien-3-one, 17-(2-furanylmethoxy)-, (17β)- (9CI) | C23H26O3 | | |
| 32 | 31217-72-8 | 1-乙基-3-甲基-2,5-二氢-1H-吡咯-2,5-二酮 | N-ethyl-2-methylmaleimide | C7H9NO2 | | |
| 33 | 31218-13-0 | N-methyl-2-(2-methylphenoxy)acetamide | N-methyl-2-(2-methylphenoxy)acetamide | C10H13NO2 | | |
| 34 | 31218-22-1 | Utilin | Utilin | C41H52O17 | | |
| 35 | 31218-37-8 | | Amidoimidodisulfuric chloride | ClH3N2O4S2 | | |
| 36 | 31218-69-6 | 5,10-DIOXA-1,4-CYCLODECANEDIONE | 1,6-dioxecane-2,5-dione | C8H12O4 | | |
| 37 | 31218-75-4 | 4-ETHYLTHIOANISOLE | 4-ETHYLTHIOANISOLE | C9H12S | | |
| 38 | 31218-79-8 | 4-ETHYLPHENYLMETHYLSULFONE | 4-ETHYLPHENYLMETHYLSULFONE | C9H12O2S | | |
| 39 | 31218-83-4 | 胺丙畏 | Propetamphos | C10H20NO4PS | 杀虫剂;化工原料;分析标准品;有机氯杀虫剂;农残、兽药及化肥类 | |
| 40 | 31219-53-1 | | H3As=o | AsH3O | | |
| 41 | 31219-54-2 | Stibine oxide | Stibine oxide | OSb | | |