CAS号是公开的化学物质信息的最权威的集合。CAS号涵盖从1957年至今的科学文献中确定的物质,其他物质可追溯到20世纪初。它也称CAS编号(CAS Registry Number,或称CAS Number,CAS Rn,CAS #),又称CAS登录号或CAS登记号码,是某种物质(化合物、高分子材料、生物序列(Biological sequences)、混合物或合金)的唯一的数字识别号码。美国化学会的下设组织化学文摘社(Chemical Abstracts Service,简称CAS)负责为每一种出现在文献中的物质分配一个CAS编号,其目的是为了避免化学物质有多种名称的麻烦,使数据库的检索更为方便。如今几乎所有的化学数据库都允许用CAS编号检索。
名称 |
英文名 |
物理化学性质 |
CAS号 |
分子式 |
1-(2-甲氧基羰基丙基)-吡咯烷-3-羧酸 |
1-(2-METHOXY-5-METHYLPHENYL)ETHANAMINE |
分子量:215.24600 密度:1.176g/cm3 沸点:348.9ºC at 760 mmHg 熔点:N/A |
886366-35-4 |
C10H17NO4 |
7-甲基-2,3,4,5-四氢-1H-苯并[e][1,4]二氮杂卓 |
7-Methyl-2,3,4,5-tetrahydro-1hbenzo[e][1,4]diazepine |
分子量:162.23200 密度:0.999g/cm3 沸点:301ºC at 760mmHg 熔点:N/A |
422318-36-3 |
C10H14N2 |
5-羟基六氢环戊基[b]呋喃-2-酮 |
5-HYDROXY-HEXAHYDRO-CYCLOPENTA[B]FURAN-2-ONE |
分子量:142.15200 密度:1.322g/cm3 沸点:329.1ºC at 760 mmHg 熔点:N/A |
84173-27-3 |
C7H10O3 |
3-N-苯二甲酰甘氨酸氨基甲基苯胺 |
2,3,5,6-TETRAFLUOROTHIOPHENOL |
分子量:252.26800 密度:1.377g/cm3 沸点:462ºC at 760 mmHg 熔点:N/A |
77147-14-9 |
C15H12N2O2 |
N-(4-溴-2-甲氧基苯基)乙酰胺 |
N-(4-BROMO-2-METHOXY-PHENYL)-ACETAMIDE |
分子量:244.08500 密度:1.5g/cm3 沸点:343.8ºC at 760mmHg 熔点:161-164 °C |
143360-01-4 |
C9H10BrNO2 |
(2S,4r)-3-苯甲酰基-4-乙基-4-甲基-2-苯基噁唑啉-5-酮 |
(2S,4R)-3-BENZOYL-4-ETHYL-4-METHYL-2-PHENYL-OXAZOLIDIN-5-ONE |
分子量:309.35900 密度:1.169g/cm3 沸点:508.3ºC at 760 mmHg 熔点:N/A |
118995-18-9 |
C19H19NO3 |
3-硝基苄胺肟 |
N-HYDROXY-3-NITROBENZENECARBOXIMIDAMIDE |
分子量:181.149 密度:1.5±0.1 g/cm3 沸点:400.6±47.0 °C at 760 mmHg 熔点:N/A |
5023-94-9 |
C7H7N3O3 |
N-(3-吲哚甲酰基)-l-苯丙氨酸 |
n-(3-indolylformyl)-l-phenylalanine |
分子量:308.33100 密度:1.335g/cm3 沸点:647.8ºC at 760 mmHg 熔点:N/A |
115627-41-3 |
C18H16N2O3 |
2-氨基-1-(4-氯-苯基)-1-丙醇 |
p-Chloro-β-hydroxyamphetamine |
分子量:185.651 密度:1.2±0.1 g/cm3 沸点:323.2±27.0 °C at 760 mmHg 熔点:N/A |
23933-83-7 |
C9H12ClNO |
2-苯甲基-4,4-二甲基-4,5-二氢-1,3-氧氮杂茂 |
Oxazole,4,5-dihydro-4,4-dimethyl-2-(phenylmethyl)- |
分子量:189.25400 密度:1.03g/cm3 沸点:270.2ºC at 760mmHg 熔点:N/A |
1569-08-0 |
C12H15NO |
2-苯基乙基-1-硼酸二乙醇胺酯 |
2-(2-phenylethyl)-1,3,6,2-dioxazaborocane |
分子量:219.08800 密度:1.03g/cm3 沸点:330.1ºC at 760mmHg 熔点:136-137ºC |
4848-04-8 |
C12H18BNO2 |
颜料红214 |
Pigment red 214 |
分子量:863.35800 密度:1.57g/cm3 沸点:907.8ºC at 760 mmHg 熔点:N/A |
40618-31-3 |
C40H22Cl6N6O4 |
N-(2-氯苄基)-2-(2-噻吩)乙胺盐酸盐 |
N-[(2-chlorophenyl)methyl]-2-thiophen-2-ylethanamine |
分子量:251.77500 密度:1.2g/cm3 沸点:362.9ºC at 760mmHg 熔点:N/A |
69061-17-2 |
C13H14ClNS |
1-氨基-1-环己烷羧酸盐酸盐 |
1-AMINO-CYCLOHEXANECARBOXYLIC ACID HCL |
分子量:179.64500 密度:N/A 沸点:272.3ºC at 760mmHg 熔点:309-311ºC (dec.) |
39692-17-6 |
C7H14ClNO2 |
苯磺酸一水合物 |
Benzenesulfonic acid monohydrate |
分子量:176.19000 密度:N/A 沸点:N/A 熔点:42-49ºC(lit.) |
26158-00-9 |
C6H8O4S |
1-苄基-4-苯基-4-哌啶羧酸乙酯 |
Ethyl 1-benzyl-4-phenylpiperidine-4-carboxylate |
分子量:323.42900 密度:N/A 沸点:N/A 熔点:N/A |
59084-08-1 |
C21H25NO2 |
1-吗啉-4-蒽醌 |
9,10-Anthracenedione,1-(4-morpholinyl)- |
分子量:293.31700 密度:1.319g/cm3 沸点:524ºC at 760 mmHg 熔点:N/A |
7114-31-0 |
C18H15NO3 |
4-氟-2-甲基吡啶 |
4-Fluoro-2-methylpyridine |
分子量:111.117 密度:1.1±0.1 g/cm3 沸点:130.3±20.0 °C at 760 mmHg 熔点:N/A |
766-16-5 |
C6H6FN |
3-溴-7-氯-4-羟基喹啉 |
2,4-DICHLOROPHENYLISOCYANTAE |
分子量:258.49900 密度:1.803g/cm3 沸点:342ºC at 760 mmHg 熔点:N/A |
860715-45-3 |
C9H5BrClNO |
8-甲基喹啉-4(1H)-酮 |
8-Methyl-4-quinolinol |
分子量:159.185 密度:1.2±0.1 g/cm3 沸点:326.8±22.0 °C at 760 mmHg 熔点:213-215ºC |
23432-44-2 |
C10H9NO |
6-溴-4-氯-2-甲基喹啉 |
6-BROMO-4-CHLORO-2-METHYLQUINOLINE |
分子量:256.52600 密度:1.591g/cm3 沸点:321.9ºC at 760mmHg 熔点:75 °C |
53364-85-5 |
C10H7BrClN |
2-((4-溴苯基氨基)亚甲基)丙二酸二乙酯 |
Diethyl {[(4-bromophenyl)amino]methylene}malonate |
分子量:342.185 密度:1.4±0.1 g/cm3 沸点:374.4±42.0 °C at 760 mmHg 熔点:100-101 °C |
101937-44-4 |
C14H16BrNO4 |
6-溴-4-(哌嗪-1-基)喹啉 |
6-BROMO-4-(PIPERAZIN-1-YL)QUINOLINE |
分子量:292.17400 密度:1.452g/cm3 沸点:451.773ºC at 760 mmHg 熔点:N/A |
474707-24-9 |
C13H14BrN3 |
1-异丙基-1H-吲唑-3-羧酸 |
1-ISOPROPYLINDAZOLE-3-CARBOXYLIC ACID |
分子量:204.22500 密度:1.269g/cm3 沸点:378.287ºC at 760 mmHg 熔点:N/A |
173600-14-1 |
C11H12N2O2 |
5,8-二氯-4-羟基-2-甲基喹啉 |
4-Quinolinol,5,8-dichloro-2-methyl- |
分子量:228.07500 密度:1.39g/cm3 沸点:342ºC at 760mmHg 熔点:N/A |
1447-40-1 |
C10H7Cl2NO |
(1S,5R)-2-氧杂二环[3.3.0]辛-6-烯-3-酮 |
(1S,5R)-(-)-2-OXABICYCLO[3.3.0]OCT-6-EN-3-ONE |
分子量:124.137 密度:1.2±0.1 g/cm3 沸点:263.1±39.0 °C at 760 mmHg 熔点:44-46ºC(lit.) |
43119-28-4 |
C7H8O2 |
3,6-二氯喹啉-4-醇 |
3,6-DICHLOROQUINOLIN-4-OL |
分子量:214.04800 密度:1.538g/cm3 沸点:338.2ºC at 760mmHg 熔点:N/A |
25771-83-9 |
C9H5Cl2NO |
4-羟基-6-甲氧基喹啉-3-羧酸乙酯 |
Ethyl 1,4-dihydro-6-methoxy-4-oxoquinoline-3-carboxylate |
分子量:247.24700 密度:1.247g/cm3 沸点:394.7ºC at 760 mmHg 熔点:280-283ºC |
77156-78-6 |
C13H13NO4 |
4-氯-5,8-二甲基喹啉 |
4-chloro-5,8-dimethylquinoline |
分子量:191.65700 密度:1.188g/cm3 沸点:293.3ºC at 760 mmHg 熔点:N/A |
188759-77-5 |
C11H10ClN |
2,3-二氯-9,10-双(苯基乙炔)蒽 |
2,3-DICHLORO-9,10-BIS(PHENYLETHYNYL)ANTHRACENE |
分子量:447.35400 密度:1.35g/cm3 沸点:659.3ºC at 760 mmHg 熔点:N/A |
51580-25-7 |
C30H16Cl2 |
7-甲基喹啉-4-醇 |
7-Methylquinolin-4-ol |
分子量:159.18500 密度:1.15 g/cm3 沸点:286.4ºC at 760 mmHg 熔点:N/A |
82121-08-2 |
C10H9NO |
3,5-二(三氟甲基)苯-1-醇 |
(R)-1-[3,5-Bis(trifluoromethyl)phenyl]ethanol |
分子量:258.160 密度:1.4±0.1 g/cm3 沸点:175.8±35.0 °C at 760 mmHg 熔点:N/A |
368-63-8 |
C10H8F6O |
(S)-(-)-4-苄基氧氮杂环戊烷-2,5-二酮 |
(s)-(-)-4-benzyloxazolidine-2,5-dione |
分子量:191.18300 密度:1.353 g/cm3 沸点:N/A 熔点:90ºC |
14825-82-2 |
C10H9NO3 |
4-羟基-7-甲氧基喹啉-3-甲酸乙酯 |
Ethyl 4-hydroxy-7-methoxy-3-quinolinecarboxylate |
分子量:247.247 密度:1.3±0.1 g/cm3 沸点:373.2±37.0 °C at 760 mmHg 熔点:275ºC |
63463-15-0 |
C13H13NO4 |
(S)-(+)-对甲基苯亚磺酰胺 |
4-Methylbenzenesulfinamide |
分子量:155.217 密度:1.3±0.1 g/cm3 沸点:322.4±35.0 °C at 760 mmHg 熔点:118-121 °C(lit.) |
188447-91-8 |
C7H9NOS |
2-甲基萘并[2.3-d]恶唑 |
2-methylnaphth[2,3-d]oxazole |
分子量:183.20600 密度:1.221g/cm3 沸点:309-311°C 熔点:87-89°C |
20686-66-2 |
C12H9NO |
4-(2-羟基乙基)氨基-2-甲基喹啉 |
4-(2-HYDROXYETHYL)AMINO-2-METHYLQUINOLINE |
分子量:202.25200 密度:1.214g/cm3 沸点:396ºC at 760mmHg 熔点:N/A |
116289-37-3 |
C12H14N2O |
6-溴-4-羟基-3-喹啉羧酸乙酯 |
Ethyl 6-bromo-4-hydroxy-3-quinolinecarboxylate |
分子量:296.117 密度:1.6±0.1 g/cm3 沸点:385.5±37.0 °C at 760 mmHg 熔点:326-329ºC |
122794-99-4 |
C12H10BrNO3 |
7-羟基喹啉 |
Quinolin-7-ol |
分子量:145.158 密度:1.3±0.1 g/cm3 沸点:313.0±15.0 °C at 760 mmHg 熔点:239-244ºC |
580-20-1 |
C9H7NO |
4-溴-8-氟喹啉 |
4-bromo-8-fluoroquinoline |
分子量:226.04500 密度:1.647g/cm3 沸点:299.7ºC at 760 mmHg 熔点:N/A |
927800-38-2 |
C9H5BrFN |
3-氨基苯甲酸叔丁酯 |
Tert-Butyl 3-Aminobenzoate |
分子量:193.242 密度:1.1±0.1 g/cm3 沸点:309.2±15.0 °C at 760 mmHg 熔点:81ºC |
92146-82-2 |
C11H15NO2 |
2-氯-6-甲氧基-3-甲基喹啉 |
2-CHLORO-6-METHOXY-3-METHYL-QUINOLINE |
分子量:207.65600 密度:1.228g/cm3 沸点:328.2ºC at 760mmHg 熔点:N/A |
123990-76-1 |
C11H10ClNO |
7-氯-4-肼基喹啉 |
7-chloro-4-hydrazinoquinoline |
分子量:193.63300 密度:1.43g/cm3 沸点:413.5ºC at 760mmHg 熔点:219-225 °C (dec.)(lit.) |
23834-14-2 |
C9H8ClN3 |
2,4-二氟肉桂酸 |
2,4-Difluorocinnamic Acid |
分子量:184.14000 密度:1.202g/cm3 沸点:257.365ºC at 760 mmHg 熔点:216-218 °C(lit.) |
774-73-2 |
C9H6F2O2 |
7,8-二甲基-4-羟基喹啉 |
7,8-DIMETHYL-4-QUINOLINOL |
分子量:173.21100 密度:1.172g/cm3 沸点:346.8ºC at 760 mmHg 熔点:N/A |
178984-37-7 |
C11H11NO |
2-甲基-4-哌嗪喹啉 |
2-METHYL-4-(PIPERAZIN-1-YL)QUINOLINE |
分子量:227.30500 密度:1.128g/cm3 沸点:420ºC at 760 mmHg 熔点:101ºC |
82241-22-3 |
C14H17N3 |
4-甲基-1,2,3-噻二唑-5-羰酰氯 |
4-methylthiadiazole-5-carbonyl chloride |
分子量:162.59700 密度:1.504g/cm3 沸点:104ºC 熔点:N/A |
59944-65-9 |
C4H3ClN2OS |
4-羟基-8-三氟甲基喹啉-3-甲酸 |
4-Hydroxy-8-(trifluoromethyl)quinoline-3-carboxylic acid |
分子量:257.165 密度:1.6±0.1 g/cm3 沸点:380.3±42.0 °C at 760 mmHg 熔点:N/A |
23779-95-5 |
C11H6F3NO3 |
1,2-双(吡咯烷)-乙烷 |
1-(2-pyrrolidin-1-ylethyl)pyrrolidine |
分子量:168.27900 密度:0.971g/cm3 沸点:230.5ºC at 760mmHg 熔点:N/A |
21408-05-9 |
C10H20N2 |
4-氨基-6-氯喹啉盐酸盐 |
4-amino-6-chloroquinoline hydrochloride |
分子量:178.61800 密度:N/A 沸点:389.7ºC at 760mmHg 熔点:N/A |
114306-29-5 |
C9H7ClN2 |