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 |
4,7-Dichloro-2-quinolinecarboxylic acid methyl ester |
C11H7Cl2NO2 |
Molecular Weight:256.08500 Density:1.434 g/cm3 Boiling Point:377.3ºC at 760 mmHg Melting Point:N/A |
643044-04-6 |
5-chloro-2-[(2-methylpropan-2-yl)oxycarbonylamino]benzoic acid |
C12H14ClNO4 |
Molecular Weight:271.697 Density:1.3±0.1 g/cm3 Boiling Point:350.4±32.0 °C at 760 mmHg Melting Point:N/A |
253677-29-1 |
3-Methylphenylacetylene |
C9H8 |
Molecular Weight:116.160 Density:0.9±0.1 g/cm3 Boiling Point:176.3±19.0 °C at 760 mmHg Melting Point:N/A |
766-82-5 |
1,3-dihydro-imidazol-2-one-5-(3-chloro) phenyl-4-carboxylic acid |
C10H7ClN2O3 |
Molecular Weight:238.62700 Density:N/A Boiling Point:N/A Melting Point:N/A |
905807-58-1 |
1,3-dihydro-imidazol-2-one-5-(4-trifluoromethyl)phenyl-4-carboxylic acid |
C11H7F3N2O3 |
Molecular Weight:272.18000 Density:N/A Boiling Point:N/A Melting Point:N/A |
905807-52-5 |
6-(piperidin-4-yl)indoline |
C13H18N2 |
Molecular Weight:202.29500 Density:1.054g/cm3 Boiling Point:359.6ºC at 760 mmHg Melting Point:N/A |
912999-76-9 |
METHYL 4-CHLORO-6-TRIFLUOROMETHYL-QUINOLINE-2-CARBOXYLATE |
C12H7ClF3NO2 |
Molecular Weight:289.63800 Density:N/A Boiling Point:N/A Melting Point:N/A |
887267-67-6 |
Methyl 4-chloro-6-methylquinoline-2-carboxylate |
C12H10ClNO2 |
Molecular Weight:235.66600 Density:N/A Boiling Point:N/A Melting Point:N/A |
905807-65-0 |
3-Trifluoromethyl-cinnamoyl chloride |
C10H6ClF3O |
Molecular Weight:234.602 Density:1.4±0.1 g/cm3 Boiling Point:232.9±0.0 °C at 760 mmHg Melting Point:N/A |
64379-91-5 |
(2-Methoxyphenoxy)acetic acid |
C9H10O4 |
Molecular Weight:182.173 Density:1.2±0.1 g/cm3 Boiling Point:303.0±17.0 °C at 760 mmHg Melting Point:123-126 °C(lit.) |
1878-85-9 |
ETHYL 1-(2,4-DIFLUOROPHENYL)-7-CHORO-6-FLUORO-4-OXO-HYDROPYRIDINO[2,3-B] PYRIDINE-3-CARBOXYLATE |
C17H10ClF3N2O3 |
Molecular Weight:382.721 Density:1.5±0.1 g/cm3 Boiling Point:502.5±50.0 °C at 760 mmHg Melting Point:212-215ºC |
100491-29-0 |
1,3-Oxazolidine-2-thione |
C3H5NOS |
Molecular Weight:103.14300 Density:1.31 g/cm3 Boiling Point:120.7ºC at 760 mmHg Melting Point:97-99ºC |
5840-81-3 |
3-(aminomethyl)-N,N-dimethylaniline |
C9H14N2 |
Molecular Weight:150.22100 Density:1.019g/cm3 Boiling Point:86-88ºC/0.08mm Melting Point:215-222ºC |
57678-46-3 |
Ethyl 2-amino-4-phenylthiazole-5-carboxylate |
C12H12N2O2S |
Molecular Weight:248.30100 Density:1.279 g/cm3 Boiling Point:449.1ºC at 760 mmHg Melting Point:169-173 °C(lit.) |
64399-23-1 |
1-Phenyl-3-(1-pyrrolidinyl)-1-propanamine |
C13H20N2 |
Molecular Weight:204.311 Density:1.0±0.1 g/cm3 Boiling Point:327.5±35.0 °C at 760 mmHg Melting Point:N/A |
113640-37-2 |
tert-Butyl (2-(methylamino)ethyl)carbamate |
C8H18N2O2 |
Molecular Weight:174.241 Density:1.0±0.1 g/cm3 Boiling Point:260.1±23.0 °C at 760 mmHg Melting Point:N/A |
122734-32-1 |
7-Hydroxy-quinoline-4-carboxylic acid |
C10H7NO3 |
Molecular Weight:189.16700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1017969-32-2 |
4-(4-fluorophenyl)sulfanylpiperidine |
C11H14FNS |
Molecular Weight:211.29900 Density:N/A Boiling Point:N/A Melting Point:N/A |
101798-75-8 |
BIS(INDENYL)VANADIUM(II) |
C18H14V |
Molecular Weight:281.24500 Density:N/A Boiling Point:N/A Melting Point:67ºC (dec.)(lit.) |
101834-69-9 |
4-BroMobenzofuran-3(2H)-one |
C8H5BrO2 |
Molecular Weight:213.028 Density:1.7±0.1 g/cm3 Boiling Point:322.6±42.0 °C at 760 mmHg Melting Point:N/A |
1020966-78-2 |
2-(2-CYANO-VINYLAMINO)-MALONIC ACID DIETHYL ESTER |
C10H14N2O4 |
Molecular Weight:226.22900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1021175-71-2 |
8-Fluoro-6-methoxymoxifloxacin |
C21H24FN3O4 |
Molecular Weight:401.43100 Density:1.408 Boiling Point:N/A Melting Point:N/A |
1029364-77-9 |
DL-Cyclopropylglycine |
C5H9NO2 |
Molecular Weight:115.131 Density:1.2±0.1 g/cm3 Boiling Point:249.5±23.0 °C at 760 mmHg Melting Point:N/A |
10294-18-5 |
ethyl 2-amino-4-(1,3-thiazol-2-yl)thiophene-3-carboxylate |
C10H10N2O2S2 |
Molecular Weight:254.32900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029421-23-5 |
1-N-BOC-(2R,4S)-4-HYDROXY-2-(HYDROXYMETHYL) PIPERIDINE |
C11H21NO4 |
Molecular Weight:231.28900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029429-62-6 |
1-Cyclooctene-1-carboxamide(6CI) |
C9H15NO |
Molecular Weight:153.22100 Density:N/A Boiling Point:N/A Melting Point:N/A |
102943-36-2 |
2-chloro-N-(4-methoxyphenyl)-2-phenylacetamide |
C15H14ClNO2 |
Molecular Weight:275.73000 Density:1.257g/cm3 Boiling Point:468.3ºC at 760mmHg Melting Point:N/A |
10295-48-4 |
3-azidopyridine |
C5H4N4 |
Molecular Weight:120.11200 Density:N/A Boiling Point:N/A Melting Point:N/A |
10296-29-4 |
(2-Chloro-4-(trifluoromethyl)phenyl)hydrazine hydrochloride |
C7H7Cl2F3N2 |
Molecular Weight:247.04500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029649-46-4 |
2,5-DIMETHYLPYRIDIN-3-YLBORONIC ACID |
C7H10BNO2 |
Molecular Weight:150.97100 Density:1.14g/ml Boiling Point:327℃ Melting Point:N/A |
1029654-18-9 |
2,4-DIFLUOROPYRIMIDINE-5-BORONIC ACID |
C4H3BF2N2O2 |
Molecular Weight:159.88700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029654-41-8 |
2-FLUOROPYRIMIDINE-5-BORONIC ACID |
C4H4BFN2O2 |
Molecular Weight:141.89600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029654-42-9 |
5-chloro-1,2,3,4-tetrahydro-2,6-naphthyridine |
C8H9ClN2 |
Molecular Weight:168.62300 Density:N/A Boiling Point:N/A Melting Point:N/A |
1029720-16-8 |
5,6,7,8-tetrahydro-4H-thieno[2,3-d]azepine |
C8H11NS |
Molecular Weight:153.24500 Density:N/A Boiling Point:N/A Melting Point:N/A |
102997-01-3 |
3-[2-carboxyethylsulfanyl(phenyl)methyl]sulfanylpropanoic acid |
C13H16O4S2 |
Molecular Weight:300.39400 Density:1.348g/cm3 Boiling Point:519.7ºC at 760mmHg Melting Point:N/A |
1030-02-0 |
1,3-DICHLORO-1,3-DIETHYLDIALUMINOXANE, 1 0 WT. SOLUTION IN TOLUENE |
C4H18Al2Cl2O |
Molecular Weight:207.05400 Density:0.885 g/mL at 25ºC Boiling Point:111ºC Melting Point:N/A |
10301-15-2 |
3',5'-di-O-Toluoyl-2-deoxy-5-azacytosine |
C24H24N4O6 |
Molecular Weight:464.471 Density:1.4±0.1 g/cm3 Boiling Point:630.1±65.0 °C at 760 mmHg Melting Point:N/A |
10302-79-1 |
1-(3-CHLOROPHENYLTHIO)-1H-PYRROLE-2,5-DIONE |
C10H6ClNO2S |
Molecular Weight:239.67800 Density:N/A Boiling Point:N/A Melting Point:N/A |
103027-69-6 |
Thiazolo[3,2-a]benzimidazol-7-ol (6CI) |
C9H6N2OS |
Molecular Weight:190.22200 Density:N/A Boiling Point:N/A Melting Point:N/A |
103028-57-5 |
3-chloroquinolin-6-amine |
C9H7ClN2 |
Molecular Weight:178.61800 Density:N/A Boiling Point:N/A Melting Point:N/A |
103028-96-2 |
Thiazolo[3,2-a]benzimidazol-6-ol (6CI,9CI) |
C9H6N2OS |
Molecular Weight:190.22200 Density:N/A Boiling Point:N/A Melting Point:N/A |
103029-73-8 |
6-(Bromomethyl)quinoline hydrobromide |
C10H9Br2N |
Molecular Weight:302.993 Density:N/A Boiling Point:N/A Melting Point:N/A |
103030-25-7 |
(1R,2R)-trans-1,2-Cyclopentanediamine dihydrochloride |
C5H14Cl2N2 |
Molecular Weight:173.08400 Density:N/A Boiling Point:N/A Melting Point:N/A |
1030390-38-5 |
1-Benzyl-1H-indole-6-carboxylic acid |
C16H13NO2 |
Molecular Weight:251.28000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1030423-79-0 |
2-TRIFLUOROMETHYL-5-CHLOROPHENOL |
C7H4ClF3O |
Molecular Weight:196.55400 Density:N/A Boiling Point:N/A Melting Point:N/A |
106877-35-4 |
N-ACETYL-L-ASPARTIC ACID DIETHYL ESTER |
C10H17NO5 |
Molecular Weight:231.24600 Density:1.117±0.06 g/cm3(Predicted) Boiling Point:379.4±27.0 °C(Predicted) Melting Point:N/A |
1069-39-2 |
(Z)-but-2-enedioic acid,N,N-diethylethanamine |
C10H19NO4 |
Molecular Weight:217.26200 Density:N/A Boiling Point:442.5ºC at 760 mmHg Melting Point:-114.7ºC |
1069-58-5 |
Benzoyl chloride, 2-chloro-4-(methylsulfonyl)- |
C8H6Cl2O3S |
Molecular Weight:253.10200 Density:N/A Boiling Point:N/A Melting Point:N/A |
106904-10-3 |
2-(Bromodifluoromethyl)-1-phenyl-4,5-dihydro-1H-imidazole |
C10H9BrF2N2 |
Molecular Weight:275.09300 Density:N/A Boiling Point:N/A Melting Point:N/A |
1069085-29-5 |
1-Benzyl-2-(trifluoromethyl)-4,5-dihydro-1H-imidazole |
C11H11F3N2 |
Molecular Weight:228.21400 Density:N/A Boiling Point:N/A Melting Point:N/A |
1069085-40-0 |