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 |
Puromycin 2HCl |
C22H31Cl2N7O5 |
Molecular Weight:544.43 Density:1.5±0.1 g/cm3 Boiling Point:N/A Melting Point:168-170℃ |
58-58-2 |
Phenol,2-amino-4-arsinyl-, hydrochloride (1:1) |
C6H8AsClNO2 |
Molecular Weight:236.50800 Density:N/A Boiling Point:N/A Melting Point:N/A |
538-03-4 |
Streptolydigin |
C32H44N2O9 |
Molecular Weight:600.70000 Density:1.3 g/cm3 Boiling Point:826.6ºC at 760 mmHg Melting Point:N/A |
7229-50-7 |
heptanamide |
C7H15NO |
Molecular Weight:129.20000 Density:0.891g/cm3 Boiling Point:254ºC at 760 mmHg Melting Point:96 °C |
628-62-6 |
Guaiacol acetate |
C9H10O3 |
Molecular Weight:166.174 Density:1.1±0.1 g/cm3 Boiling Point:238.6±0.0 °C at 760 mmHg Melting Point:N/A |
613-70-7 |
3-Pyrrolidinecarboxylicacid, 1-ethyl-4,5-dioxo-, ethyl ester |
C9H13NO4 |
Molecular Weight:199.20400 Density:1.211g/cm3 Boiling Point:284.9ºC at 760mmHg Melting Point:106ºC |
5336-43-6 |
Dodecanamide,N,N-dibutyl- |
C20H41NO |
Molecular Weight:311.54600 Density:0.858g/cm3 Boiling Point:355.9ºC at 760mmHg Melting Point:N/A |
5343-44-2 |
5-Fluoro-4-methoxy-2-nitroaniline |
C7H7FN2O3 |
Molecular Weight:186.141 Density:1.4±0.1 g/cm3 Boiling Point:355.4±37.0 °C at 760 mmHg Melting Point:142.5-143.5 °C |
446-20-8 |
2-(2-phenylphenoxy)acetate |
C14H12O3 |
Molecular Weight:228.24300 Density:1.202g/cm3 Boiling Point:372.9ºC at 760 mmHg Melting Point:N/A |
5348-75-4 |
β-D-Galactose Pentaacetate |
C16H22O11 |
Molecular Weight:390.339 Density:1.3±0.1 g/cm3 Boiling Point:434.8±45.0 °C at 760 mmHg Melting Point:143-144ºC |
4163-60-4 |
3-Methylpyrazole-5-carboxylic acid |
C5H6N2O2 |
Molecular Weight:126.11300 Density:1.404 g/cm3 Boiling Point:388.8ºC at 760 mmHg Melting Point:236-240ºC |
696-22-0 |
Oxirane,2-[(2,4,6-tribromophenoxy)methyl]- |
C9H7Br3O2 |
Molecular Weight:386.86300 Density:2.122g/cm3 Boiling Point:378.5ºC at 760mmHg Melting Point:N/A |
5296-40-2 |
Ethanol,2-(4-methoxyphenoxy)- |
C9H12O3 |
Molecular Weight:168.19000 Density:1.11g/cm3 Boiling Point:293.8ºC at 760mmHg Melting Point:N/A |
5394-57-0 |
Benzoic acid,2-(acetyloxy)-5-bromo- |
C9H7BrO4 |
Molecular Weight:259.05300 Density:1.662g/cm3 Boiling Point:368.4ºC at 760mmHg Melting Point:60 °C |
1503-53-3 |
3-Sulfobenzaldehyde Sodium Salt |
C7H5NaO4S |
Molecular Weight:208.167 Density:1.503g/cm3 Boiling Point:N/A Melting Point:N/A |
5330-48-3 |
1-Methylpentylamine |
C6H15N |
Molecular Weight:101.19000 Density:0.768 g/cm3 Boiling Point:116ºC at 760 mmHg Melting Point:N/A |
5329-79-3 |
Phenanthrene,9,10-dihydro-2-nitro- |
C14H11NO2 |
Molecular Weight:225.24300 Density:1.266g/cm3 Boiling Point:384.6ºC at 760mmHg Melting Point:N/A |
5329-87-3 |
Acetonitrile,2-(2-naphthalenylthio)- |
C12H9NS |
Molecular Weight:199.27200 Density:1.2g/cm3 Boiling Point:374.8ºC at 760mmHg Melting Point:83ºC |
5324-69-6 |
ricinoleic acid sodium salt |
C18H34NaO3+ |
Molecular Weight:321.45100 Density:0.957 g/cm3 Boiling Point:219.8ºC Melting Point:416.4ºC |
5323-95-5 |
Crystal Violet |
C25H30ClN3 |
Molecular Weight:407.979 Density:1.19 g/cm3 (20ºC) Boiling Point:N/A Melting Point:215ºC |
548-62-9 |
2-Furancarboxamide,N-phenyl- |
C11H9NO2 |
Molecular Weight:187.19500 Density:1.238g/cm3 Boiling Point:217.9ºC at 760 mmHg Melting Point:N/A |
1929-89-1 |
2,4,6-Trinitro-m-cresol |
C7H5N3O7 |
Molecular Weight:243.13000 Density:1.74g/cm3 Boiling Point:320.9ºC at 760 mmHg Melting Point:N/A |
602-99-3 |
3-methoxybutanoic acid |
C5H10O3 |
Molecular Weight:118.13100 Density:1.05g/cm3 Boiling Point:193.8ºC at 760mmHg Melting Point:N/A |
10024-70-1 |
N-(2-hydroxyethyl)-m-toluidine |
C9H13NO |
Molecular Weight:151.20600 Density:1.086g/cm3 Boiling Point:302.5ºC at 760mmHg Melting Point:156-159 °C(Press: 10 Torr) |
102-41-0 |
1-Phenanthrenecarboxylicacid, tetradecahydro-1,4a-dimethyl-7-(1-methylethyl)- |
C20H34O2 |
Molecular Weight:306.48300 Density:0.995g/cm3 Boiling Point:413.3ºC at 760mmHg Melting Point:N/A |
25800-63-9 |
2-Propanol,1-(cyclohexylamino)- |
C9H19NO |
Molecular Weight:157.25300 Density:0.95g/cm3 Boiling Point:275.4ºC at 760mmHg Melting Point:N/A |
103-00-4 |
1,4-diaminoanthracene-9,10-diol |
C14H12N2O2 |
Molecular Weight:240.25700 Density:1.51g/cm3 Boiling Point:611.5ºC at 760mmHg Melting Point:231-232 °C |
5327-72-0 |
Himic anhydride |
C9H8O3 |
Molecular Weight:164.158 Density:1.4±0.1 g/cm3 Boiling Point:331.1±42.0 °C at 760 mmHg Melting Point:158-164ºC |
826-62-0 |
Nordihydroguaiaretic acid |
C18H22O4 |
Molecular Weight:302.365 Density:1.2±0.1 g/cm3 Boiling Point:526.5±45.0 °C at 760 mmHg Melting Point:184-189ºC |
500-38-9 |
bis(4-chloro-3-nitrophenyl) sulphone |
C12H6Cl2N2O6S |
Molecular Weight:377.15700 Density:1.673g/cm3 Boiling Point:561ºC at 760mmHg Melting Point:N/A |
1759-05-3 |
Benzenebutanenitrile, g-oxo-a-phenyl- |
C16H13NO |
Molecular Weight:235.28100 Density:1.126g/cm3 Boiling Point:424.7ºC at 760 mmHg Melting Point:N/A |
6268-00-4 |
Chromium(III) acetylacetonate |
C15H24CrO6 |
Molecular Weight:352.34400 Density:1.35 g/cm3 Boiling Point:340ºC Melting Point:212ºC |
21679-31-2 |
2-Ethyl-2-hexenal |
C8H14O |
Molecular Weight:126.19600 Density:0.85 g/cm3 Boiling Point:175ºC Melting Point:N/A |
645-62-5 |
4-(4-Morpholinyl)phenol |
C10H13NO2 |
Molecular Weight:179.216 Density:1.2±0.1 g/cm3 Boiling Point:362.9±37.0 °C at 760 mmHg Melting Point:N/A |
6291-23-2 |
1H-Pyrazolo[3,4-d]pyrimidine, 4-ethoxy- |
C7H8N4O |
Molecular Weight:164.16500 Density:1.345g/cm3 Boiling Point:348.8ºC at 760mmHg Melting Point:N/A |
32353-19-8 |
Acetamide,N-(4-hydroxyphenyl)-N-methyl- |
C9H11NO2 |
Molecular Weight:165.18900 Density:1.184g/cm3 Boiling Point:317.2ºC at 760 mmHg Melting Point:N/A |
579-58-8 |
(2,5-Dihydroxyphenyl)-triphenyl-phosphanium |
C24H19O2P |
Molecular Weight:370.38000 Density:N/A Boiling Point:N/A Melting Point:N/A |
5405-63-0 |
2-Phenylpropionaldehyde |
C9H10O |
Molecular Weight:134.17500 Density:1.01 Boiling Point:201ºC (12 torr) Melting Point:60ºC |
93-53-8 |
2,6-Dihydroxypyrrolo(3,4-f)isoindole-1,3,5,7(2H,6H)-tetrone |
C10H4N2O6 |
Molecular Weight:248.14900 Density:2.261g/cm3 Boiling Point:687.2ºC at 760 mmHg Melting Point:N/A |
57583-53-6 |
2',3',5'-Tri-O-acetyl-2-aMino-6-chloropurine Riboside |
C16H18ClN5O7 |
Molecular Weight:427.80 Density:1.7g/cm3 Boiling Point:637ºC at 760mmHg Melting Point:146.0 to 150.0 °C |
16321-99-6 |
Nafoxidine HCl |
C29H32ClNO2 |
Molecular Weight:462.023 Density:1.137g/cm3 Boiling Point:574.5ºC at 760mmHg Melting Point:N/A |
1847-63-8 |
Benzenamine,4-ethyl-2-nitro- |
C8H10N2O2 |
Molecular Weight:166.17700 Density:1.218g/cm3 Boiling Point:314ºC at 760mmHg Melting Point:N/A |
3663-35-2 |
1,5-dichloro-2-methyl-4-nitro-benzene |
C7H5Cl2NO2 |
Molecular Weight:206.02600 Density:1.456g/cm3 Boiling Point:296.3ºC at 760 mmHg Melting Point:N/A |
7149-77-1 |
Ethanone, 1-[5-(1,1-dimethylethyl)-2-thienyl]- |
C10H14OS |
Molecular Weight:182.28300 Density:1.029g/cm3 Boiling Point:249.5ºC at 760mmHg Melting Point:N/A |
29880-63-5 |
2-Hydrazino-6-methylpyrimidin-4-ol |
C5H8N4O |
Molecular Weight:140.14300 Density:1.52g/cm3 Boiling Point:274.2ºC at 760mmHg Melting Point:N/A |
37893-08-6 |
3H-Pyrazol-3-one,1,2-dihydro-2-(1-methyl-4-piperidinyl)-5-phenyl-4-(phenylmethyl)- |
C22H25N3O |
Molecular Weight:347.45300 Density:1.176g/cm3 Boiling Point:500.5ºC at 760 mmHg Melting Point:N/A |
53-89-4 |
(3-Bromopropyl)cyclohexane |
C9H17Br |
Molecular Weight:205.135 Density:1.2±0.1 g/cm3 Boiling Point:224.3±8.0 °C at 760 mmHg Melting Point:N/A |
34094-21-8 |
2-Pentene, 3-methyl-,(2Z)- |
C6H12 |
Molecular Weight:84.15950 Density:0.695g/cm3 Boiling Point:64.6ºC at 760mmHg Melting Point:-134.84°C |
922-62-3 |
2-Pentene, 4-methyl-,(2Z)- |
C6H12 |
Molecular Weight:84.15950 Density:0.686 g/mL at 20ºC(lit.) Boiling Point:57-58ºC(lit.) Melting Point:-134.4ºC |
691-38-3 |
phenylpropene |
C9H10 |
Molecular Weight:118.176 Density:0.9±0.1 g/cm3 Boiling Point:167.5±0.0 °C at 760 mmHg Melting Point:-60ºC |
766-90-5 |