A CAS Registry Number,also referred to as CASRN or CAS Number, is a unique numerical identifier assigned by the Chemical Abstracts Service (CAS) to every chemical substance described in the open scientific literature (currently including all substances described from 1957 through the present, plus some substances from the early or mid 1900s), including organic and inorganiccompounds, minerals, isotopes, alloys and nonstructurable materials (UVCBs, of unknown, variable composition, or biological origin).The registry maintained by CAS is an authoritative collection of disclosed chemical substance information. It currently identifies more than 144 million unique organic and inorganic substances and 67 million protein and DNA sequences,plus additional information about each substance. It is updated with around 15,000 additional new substances daily.(information coming from wikipedia.org)
Name |
Molecular Formula |
Chemical & Physical Properties |
CAS Number |
1-Boc-2-Ethyl-piperidin-4-one |
C12H21NO3 |
Molecular Weight:227.300 Density:1.0±0.1 g/cm3 Boiling Point:315.4±35.0 °C at 760 mmHg Melting Point:N/A |
324769-07-5 |
1,2-DIBENZYLPIPERAZINE |
C18H22N2 |
Molecular Weight:266.38100 Density:N/A Boiling Point:N/A Melting Point:N/A |
198973-94-3 |
5-(CHLOROMETHYL)-2-(4-CHLOROPHENYL)-4-METHYLOXAZOLE |
C11H9Cl2NO |
Molecular Weight:242.101 Density:1.3±0.1 g/cm3 Boiling Point:365.2±52.0 °C at 760 mmHg Melting Point:N/A |
109544-39-0 |
(5-Cyano-3-pyridinyl)boronic acid |
C6H5BN2O2 |
Molecular Weight:147.927 Density:1.3±0.1 g/cm3 Boiling Point:375.9±52.0 °C at 760 mmHg Melting Point:N/A |
497147-93-0 |
2-(3-(METHYLAMINO)PROPYL)ISOINDOLINE-1,3-DIONE HYDROCHLORIDE |
C12H15ClN2O2 |
Molecular Weight:254.71300 Density:N/A Boiling Point:N/A Melting Point:N/A |
861018-76-0 |
1-CBZ-2-BENZYLPIPERIDIN-4-ONE |
C20H21NO3 |
Molecular Weight:323.38600 Density:N/A Boiling Point:N/A Melting Point:N/A |
849928-35-4 |
N-Boc-3-Cyanopyrrolidine |
C10H16N2O2 |
Molecular Weight:196.246 Density:1.1±0.1 g/cm3 Boiling Point:307.9±35.0 °C at 760 mmHg Melting Point:-108 °C |
476493-40-0 |
1-N-BOC-2-N-METHYL-AMINOMETHYL PIPERIDINE |
C11H22N2O2 |
Molecular Weight:214.30500 Density:0.988 Boiling Point:N/A Melting Point:N/A |
783325-29-1 |
6-Iodo-3-pyridinamine |
C5H5IN2 |
Molecular Weight:220.011 Density:2.1±0.1 g/cm3 Boiling Point:331.8±27.0 °C at 760 mmHg Melting Point:63-67 °C |
29958-12-1 |
1-N-ALLOC-4-PIPERIDONE |
C9H13NO3 |
Molecular Weight:183.20400 Density:1.146g/cm3 Boiling Point:287.1ºC at 760mmHg Melting Point:N/A |
306296-67-3 |
2-(2-N-BOC-N-METHYL-AMINOETHYL)-1H-ISOINDOLE-1,3(2H)-DIONE |
C16H20N2O4 |
Molecular Weight:304.34100 Density:N/A Boiling Point:N/A Melting Point:N/A |
121495-40-7 |
2-Bromophenylboronic acid |
C6H6BBrO2 |
Molecular Weight:200.83 Density:1.7±0.1 g/cm3 Boiling Point:329.2±44.0 °C at 760 mmHg Melting Point:113 °C(lit.) |
244205-40-1 |
1-(METHYLSULFONYL)-4-(AMINOMETHYL)PIPERIDINE |
C7H16N2O2S |
Molecular Weight:192.27900 Density:1.196g/cm3 Boiling Point:302.577ºC at 760 mmHg Melting Point:N/A |
438585-61-6 |
4,6-Difluoroindole |
C8H5F2N |
Molecular Weight:153.129 Density:1.4±0.1 g/cm3 Boiling Point:253.2±20.0 °C at 760 mmHg Melting Point:N/A |
199526-97-1 |
2-(3-CYCLOPROPYLPHENYL)-4,4,5,5-TETRAMETHYL-[1,3,2]DIOXABOROLANE |
C15H21BO2 |
Molecular Weight:244.137 Density:1.0±0.1 g/cm3 Boiling Point:344.9±21.0 °C at 760 mmHg Melting Point:N/A |
627526-56-1 |
2-(trans-4-Hydroxycyclohexyl)isoindoline-1,3-dione |
C14H15NO3 |
Molecular Weight:245.274 Density:1.4±0.1 g/cm3 Boiling Point:410.1±38.0 °C at 760 mmHg Melting Point:N/A |
99337-98-1 |
3-Chloro-6-ethoxypyridazine |
C6H7ClN2O |
Molecular Weight:158.58600 Density:1.235g/cm3 Boiling Point:293.1ºC at 760mmHg Melting Point:60-62℃ |
17321-20-9 |
1-N-Boc-4-N-Benzyl-2-Benzyl Piperazine |
C23H30N2O2 |
Molecular Weight:366.49700 Density:N/A Boiling Point:N/A Melting Point:N/A |
489437-72-1 |
2-ethylpiperazine,hydrochloride |
C6H15ClN2 |
Molecular Weight:150.65000 Density:N/A Boiling Point:N/A Melting Point:N/A |
259808-09-8 |
5-BROMO-[3,3?]BIPYRIDINYL |
C10H7BrN2 |
Molecular Weight:235.08000 Density:N/A Boiling Point:N/A Melting Point:N/A |
15862-22-3 |
4-Methylpyridazin-3-ol |
C5H6N2O |
Molecular Weight:110.114 Density:1.2±0.1 g/cm3 Boiling Point:N/A Melting Point:151-153°C |
33471-40-8 |
N-methyloxan-3-amine |
C6H13NO |
Molecular Weight:115.17400 Density:N/A Boiling Point:N/A Melting Point:N/A |
120811-33-8 |
(3-amino-5-nitrophenyl)boronic acid hcl salt |
C6H8BClN2O4 |
Molecular Weight:218.40300 Density:N/A Boiling Point:484.1ºC at 760 mmHg Melting Point:136-141ºC |
389621-79-8 |
3-Bromo-4-(dimethylamino)benzaldehyde |
C9H10BrNO |
Molecular Weight:228.086 Density:1.5±0.1 g/cm3 Boiling Point:311.6±32.0 °C at 760 mmHg Melting Point:N/A |
56479-63-1 |
Ethanone,1-(2,4-dimethoxy-3-methylphenyl)- |
C11H14O3 |
Molecular Weight:194.22700 Density:1.048g/cm3 Boiling Point:311.7ºC at 760 mmHg Melting Point:N/A |
60512-80-3 |
Benzenesulfonamide, 2-amino-N-phenyl- |
C12H12N2O2S |
Molecular Weight:248.30100 Density:1.373g/cm3 Boiling Point:439.8ºC at 760mmHg Melting Point:N/A |
27332-20-3 |
2-Quinazolinecarboxylicacid, 3,4-dihydro-4-oxo- |
C9H6N2O3 |
Molecular Weight:190.15600 Density:1.56g/cm3 Boiling Point:427.6ºC at 760 mmHg Melting Point:N/A |
29113-34-6 |
1H-1,2,3-Triazol-5-amine,1,4-diphenyl- |
C14H12N4 |
Molecular Weight:236.27200 Density:1.24g/cm3 Boiling Point:456.9ºC at 760mmHg Melting Point:N/A |
29704-63-0 |
2-Naphthalenesulfonicacid, 5-amino-6-ethoxy-, sodium salt (1:1) |
C12H13NNaO4S+ |
Molecular Weight:290.29100 Density:N/A Boiling Point:N/A Melting Point:N/A |
84145-62-0 |
4-Piperidinecarboxylicacid, 1-[(4-methylphenyl)sulfonyl]-4-phenyl- |
C19H21NO4S |
Molecular Weight:359.43900 Density:1.302g/cm3 Boiling Point:557.3ºC at 760 mmHg Melting Point:N/A |
84255-02-7 |
1-Butanone,4-chloro-1-(2,5-dimethylphenyl)- |
C12H15ClO |
Molecular Weight:210.70000 Density:1.064g/cm3 Boiling Point:325.1ºC at 760 mmHg Melting Point:N/A |
71526-84-6 |
Benzonitrile,3-(acetyloxy)- |
C9H7NO2 |
Molecular Weight:161.15700 Density:1.18g/cm3 Boiling Point:266.1ºC at 760mmHg Melting Point:N/A |
55682-11-6 |
4-benzothiazol-2-ylsulfanylbutanoate |
C11H11NO2S2 |
Molecular Weight:253.34100 Density:1.39g/cm3 Boiling Point:461.6ºC at 760 mmHg Melting Point:N/A |
80357-74-0 |
N-methyl-1,2-diphenyl-ethanamine |
C15H17N |
Molecular Weight:211.30200 Density:1.01g/cm3 Boiling Point:298.6ºC at 760 mmHg Melting Point:N/A |
53663-25-5 |
Benzoic acid,2-[(4-ethoxyphenyl)amino]-4-nitro- |
C15H14N2O5 |
Molecular Weight:302.28200 Density:1.371g/cm3 Boiling Point:479.2ºC at 760 mmHg Melting Point:N/A |
74859-51-1 |
Ethanone,1-(3,4-dihydroxyphenyl)-2-[(1-methylethyl)amino]- |
C11H15NO3 |
Molecular Weight:209.24200 Density:1.185g/cm3 Boiling Point:409.7ºC at 760mmHg Melting Point:96ºC |
121-28-8 |
9-methyl-acenaphtho[1,2-b]quinoxaline |
C19H12N2 |
Molecular Weight:268.31200 Density:1.349g/cm3 Boiling Point:500.1ºC at 760 mmHg Melting Point:N/A |
13362-59-9 |
Pyrimidine,2,4-difluoro-6-methyl- |
C5H4F2N2 |
Molecular Weight:130.09500 Density:1.293g/cm3 Boiling Point:220.3ºC at 760 mmHg Melting Point:N/A |
696-80-0 |
Cornigerine |
C21H21NO6 |
Molecular Weight:383.39500 Density:1.35g/cm3 Boiling Point:744.5ºC at 760 mmHg Melting Point:N/A |
6877-25-4 |
1-Undecanamine,N,N-dimethyl- |
C13H29N |
Molecular Weight:199.37600 Density:0.796g/cm3 Boiling Point:248.5ºC at 760mmHg Melting Point:N/A |
17373-28-3 |
3-(Methoxymethyl)pyridine |
C7H9NO |
Molecular Weight:123.152 Density:1.0±0.1 g/cm3 Boiling Point:177.6±15.0 °C at 760 mmHg Melting Point:N/A |
58418-62-5 |
Ormaplatin |
C6H12Cl4N2Pt |
Molecular Weight:449.06300 Density:N/A Boiling Point:193.6ºC at 760 mmHg Melting Point:N/A |
62816-98-2 |
1-Methoxyallene |
C4H6O |
Molecular Weight:70.090 Density:0.7±0.1 g/cm3 Boiling Point:48.2±7.0 °C at 760 mmHg Melting Point:N/A |
13169-00-1 |
N-NITROSOACETANILIDE |
C8H8N2O2 |
Molecular Weight:164.16100 Density:1.15g/cm3 Boiling Point:241.3ºC at 760 mmHg Melting Point:N/A |
938-81-8 |
3-(Acetylthio)propanoic acid |
C5H8O3S |
Molecular Weight:148.18000 Density:1.268g/cm3 Boiling Point:272.8ºC at 760 mmHg Melting Point:48-52ºC |
41345-70-4 |
Silane,diethyldimethyl- |
C6H16Si |
Molecular Weight:116.27700 Density:0.712g/cm3 Boiling Point:95ºC Melting Point:N/A |
756-81-0 |
Angelic acid |
C5H8O2 |
Molecular Weight:100.116 Density:1.0±0.1 g/cm3 Boiling Point:198.5±0.0 °C at 760 mmHg Melting Point:44ºC |
565-63-9 |
Ethanone,1-(2,3-dihydro-5-iodo-1H-indol-1-yl)- |
C10H10INO |
Molecular Weight:287.09700 Density:1.762g/cm3 Boiling Point:442.1ºC at 760mmHg Melting Point:N/A |
61995-51-5 |
1,5-bis(4-methylphenyl)penta-1,4-dien-3-one |
C19H18O |
Molecular Weight:262.34600 Density:1.068g/cm3 Boiling Point:430.4ºC at 760 mmHg Melting Point:N/A |
621-98-7 |
tert-butyl methyl sulfide |
C5H12S |
Molecular Weight:104.21400 Density:0.826 Boiling Point:101-102ºC(lit.) Melting Point:-82.31°C |
6163-64-0 |