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 |
5-(2-METHOXYPHENYL)-4-(4-METHYLPHENYL)-4H-1,2,4-TRIAZOLE-3-THIOL |
C16H15N3OS |
Molecular Weight:297.37500 Density:1.24g/cm3 Boiling Point:437.8ºC at 760mmHg Melting Point:N/A |
23292-16-2 |
2-Iodo-3-methyl-benzoic acid methyl ester |
C9H9IO2 |
Molecular Weight:276.07100 Density:N/A Boiling Point:N/A Melting Point:N/A |
103441-60-7 |
tert-butyl 4-(isobutylamino)piperidine-1-carboxylate |
C14H28N2O2 |
Molecular Weight:256.38400 Density:N/A Boiling Point:N/A Melting Point:N/A |
179556-97-9 |
tert-Butyl 4-(2-nitrobenzylamino)piperidine-1-carboxylate |
C17H25N3O4 |
Molecular Weight:335.39800 Density:N/A Boiling Point:N/A Melting Point:N/A |
87120-79-4 |
2-Fluoro-6-morpholinoaniline |
C10H13FN2O |
Molecular Weight:196.22100 Density:N/A Boiling Point:N/A Melting Point:N/A |
179900-22-2 |
2-Chloro-6-(trifluoromethoxy)pyridine |
C6H3ClF3NO |
Molecular Weight:197.542 Density:1.5±0.1 g/cm3 Boiling Point:147.2±35.0 °C at 760 mmHg Melting Point:N/A |
1221171-70-5 |
2-(trifluoromethoxy)pyridin-3-amine |
C6H5F3N2O |
Molecular Weight:178.11200 Density:N/A Boiling Point:189.4±35.0°C at 760 mmHg Melting Point:N/A |
1221171-94-3 |
6-(trifluoromethoxy)pyridin-2-amine |
C6H5F3N2O |
Molecular Weight:178.11200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1131007-45-8 |
2-Bromo-3-(trifluoromethoxy)pyridine |
C6H3BrF3NO |
Molecular Weight:241.993 Density:1.7±0.1 g/cm3 Boiling Point:187.9±35.0 °C at 760 mmHg Melting Point:N/A |
1206978-11-1 |
5-(Trifluoromethoxy)picolinic acid |
C7H4F3NO3 |
Molecular Weight:207.10700 Density:N/A Boiling Point:N/A Melting Point:N/A |
102771-66-4 |
Methyl 8-bromoimidazo[1,2-a]pyridine-6-carboxylate |
C9H7BrN2O2 |
Molecular Weight:255.06800 Density:N/A Boiling Point:N/A Melting Point:N/A |
1234616-08-0 |
1-benzyl-3-bromopiperidin-4-one,hydrobromide |
C12H15Br2NO |
Molecular Weight:349.06200 Density:N/A Boiling Point:384.8ºC at 760 mmHg Melting Point:N/A |
83877-88-7 |
(2-Cyanoethyl)(methyl)sulfamoyl chloride |
C4H7ClN2O2S |
Molecular Weight:182.62900 Density:1.431g/cm3 Boiling Point:327.823ºC at 760 mmHg Melting Point:N/A |
209971-18-6 |
1-(2-Methoxyethyl)-1H-pyrazole-4-carboxylic acid |
C7H10N2O3 |
Molecular Weight:170.16600 Density:N/A Boiling Point:N/A Melting Point:N/A |
874196-94-8 |
6-aminopyridine-3-sulfonyl chloride |
C5H5ClN2O2S |
Molecular Weight:192.62300 Density:N/A Boiling Point:N/A Melting Point:N/A |
289483-92-7 |
3-CHLORODIHYDRO-2H-PYRAN-4(3H)-ONE |
C5H7ClO2 |
Molecular Weight:134.56100 Density:N/A Boiling Point:N/A Melting Point:N/A |
160427-98-5 |
methyl 2-bromo-3-(4-fluorophenyl)-3-oxopropanoate |
C10H8BrFO3 |
Molecular Weight:275.07100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1001922-15-1 |
Tert-Butyl Tetrahydro-1(2H)-Pyridazinecarboxylate |
C9H18N2O2 |
Molecular Weight:186.25100 Density:N/A Boiling Point:N/A Melting Point:N/A |
154972-37-9 |
4-Amino-3-methoxybenzamide |
C8H10N2O2 |
Molecular Weight:166.17700 Density:N/A Boiling Point:N/A Melting Point:N/A |
211374-82-2 |
1-(1-Benzyl-1H-1,2,3-triazol-4-yl)ethan-1-one |
C11H11N3O |
Molecular Weight:201.22500 Density:N/A Boiling Point:N/A Melting Point:N/A |
80819-67-6 |
6-chloro-N-(2-cyclopropylethyl)pyridazine-3-carboxamide |
C10H12ClN3O |
Molecular Weight:225.67500 Density:N/A Boiling Point:N/A Melting Point:N/A |
840488-85-9 |
2,6-Dimethyl-3-nitrophenol |
C8H9NO3 |
Molecular Weight:167.162 Density:1.3±0.1 g/cm3 Boiling Point:292.4±28.0 °C at 760 mmHg Melting Point:N/A |
6994-63-4 |
N-Methyl-3-(trifluoromethyl)benzenesulfonamide |
C8H8F3NO2S |
Molecular Weight:239.21500 Density:N/A Boiling Point:N/A Melting Point:N/A |
882423-09-8 |
1-(4-Piperidinyl)-2-imidazolidinone |
C8H15N3O |
Molecular Weight:169.224 Density:1.1±0.1 g/cm3 Boiling Point:388.3±31.0 °C at 760 mmHg Melting Point:N/A |
52210-86-3 |
2-amino-N-[1-(phenylmethyl)-4-piperidinyl]-benzeneMethanamine |
C19H25N3 |
Molecular Weight:295.42200 Density:N/A Boiling Point:N/A Melting Point:N/A |
79099-03-9 |
1-benzyl-4-(1,2,3,4-tetrahydro-2-oxo-3-quinazolinyl)piperidine |
C20H23N3O |
Molecular Weight:321.41600 Density:N/A Boiling Point:N/A Melting Point:N/A |
79098-88-7 |
5-Cyano-2,6-dihydroxy-nicotinic acid ethyl ester |
C9H8N2O4 |
Molecular Weight:208.17100 Density:N/A Boiling Point:N/A Melting Point:N/A |
52600-50-7 |
Methyl 4-Cyanotetrahydro-2H-Pyran-4-Carboxylate |
C8H11NO3 |
Molecular Weight:169.17800 Density:N/A Boiling Point:N/A Melting Point:N/A |
362703-30-8 |
1-[(4-bromophenyl)methyl]-5-methyltriazole-4-carbonyl chloride |
C11H9BrClN3O |
Molecular Weight:314.56600 Density:N/A Boiling Point:N/A Melting Point:N/A |
952182-50-2 |
1-(2,2-Dimethoxyethyl)-2-nitrobenzene |
C10H13NO4 |
Molecular Weight:211.21500 Density:N/A Boiling Point:N/A Melting Point:N/A |
79844-33-0 |
Nornalmefene |
C17H19NO3 |
Molecular Weight:285.33800 Density:1.42±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
42971-33-5 |
D-Alaninamide, L-.alpha.-aspartyl-N-(2,2,4,4-tetramethyl-3-thietanyl)-, hydrate (2:5) |
C28H60N6O13S2 |
Molecular Weight:752.93800 Density:N/A Boiling Point:608.5ºC at 760 mmHg Melting Point:N/A |
99016-42-9 |
3-N-(4-chlorophenyl)-1H-1,2,4-triazole-3,5-diamine |
C8H8ClN5 |
Molecular Weight:209.63600 Density:N/A Boiling Point:N/A Melting Point:N/A |
16691-46-6 |
1H-Indene-3-Carboxylic Acid |
C10H8O2 |
Molecular Weight:160.16900 Density:1.312g/cm3 Boiling Point:297.6ºC at 760 mmHg Melting Point:145-148 °C |
14209-41-7 |
5-Acetyl-3-chloro-6-methyl-1,2-dihydropyridin-2-one |
C8H8ClNO2 |
Molecular Weight:185.60800 Density:N/A Boiling Point:N/A Melting Point:N/A |
58405-00-8 |
Vardenafil HCl Trihydrate |
C23H39ClN6O7S |
Molecular Weight:579.11000 Density:N/A Boiling Point:N/A Melting Point:N/A |
330808-88-3 |
Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-(dodecylphenoxy)-, sodium salt |
C14H19NO4 |
Molecular Weight:265.30500 Density:N/A Boiling Point:N/A Melting Point:N/A |
59269-54-4 |
oxalic acid,N-[(1R)-1-phenylethyl]hydroxylamine |
C10H13NO5 |
Molecular Weight:227.21400 Density:N/A Boiling Point:N/A Melting Point:N/A |
118743-81-0 |
(1R)-5-tert-Butyl-2,3-dihydro-1H-inden-1-amine |
C13H19N |
Molecular Weight:189.29700 Density:N/A Boiling Point:N/A Melting Point:N/A |
808756-83-4 |
Trans-2-Methylcyclopropanecarboxylic Acid |
C5H8O2 |
Molecular Weight:100.11600 Density:N/A Boiling Point:N/A Melting Point:N/A |
10487-86-2 |
3,4-dihydro-2H-pyran-5-carboxylic acid |
C6H8O3 |
Molecular Weight:128.12600 Density:N/A Boiling Point:N/A Melting Point:N/A |
40915-37-5 |
4-Methoxy-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidine |
C8H11N3O |
Molecular Weight:165.19200 Density:N/A Boiling Point:N/A Melting Point:N/A |
944902-70-9 |
1,4-Dihydro-1,6-naphthyridin-4-one |
C8H6N2O |
Molecular Weight:146.14600 Density:N/A Boiling Point:N/A Melting Point:N/A |
72754-01-9 |
5-bromo-2-ethoxy-thiazole |
C5H6BrNOS |
Molecular Weight:208.07600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1086382-60-6 |
2-(BENZYLOXY)-3,5-DIBROMOBENZALDEHYDE |
C14H10Br2O2 |
Molecular Weight:370.03600 Density:1.696g/cm3 Boiling Point:439.7ºC at 760 mmHg Melting Point:N/A |
61657-63-4 |
N-((1H-benzo[d][1,2,3]triazol-1-yl)Methyl)-N-benzyl-1-phenylmethanamine |
C21H20N4 |
Molecular Weight:328.41000 Density:N/A Boiling Point:N/A Melting Point:N/A |
57684-32-9 |
2-Amino-3,5-dibromobenzamide |
C7H6Br2N2O |
Molecular Weight:293.94300 Density:2.058 Boiling Point:285.868ºC at 760 mmHg Melting Point:N/A |
16524-04-2 |
3-(4-bromophenyl)aniline |
C12H10BrN |
Molecular Weight:248.11800 Density:N/A Boiling Point:N/A Melting Point:N/A |
40641-71-2 |
dimethyl 2-aminoisophthalate |
C10H11NO4 |
Molecular Weight:209.19900 Density:N/A Boiling Point:N/A Melting Point:N/A |
57053-02-8 |
2-(2-Fluorophenyl)-2-(4-fluorophenyl)oxirane |
C14H10F2O |
Molecular Weight:232.22500 Density:1.294g/cm3 Boiling Point:303.108°C at 760 mmHg Melting Point:N/A |
88374-05-4 |