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 |
Octanedioic acid calcium salt (1:1) |
C8H12CaO4 |
Molecular Weight:212.25600 Density:N/A Boiling Point:N/A Melting Point:N/A |
27796-71-0 |
(6R-trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid |
C14H14N4O4S2 |
Molecular Weight:366.41500 Density:N/A Boiling Point:N/A Melting Point:N/A |
79350-10-0 |
Isopropyl 4-(3-Aminophenyl)-1,4-dihydro-5-(2-methoxyethoxycarbonyl)-2,6-dimethylpyridine-3-carboxylate |
C21H28N2O5 |
Molecular Weight:388.45700 Density:N/A Boiling Point:N/A Melting Point:N/A |
155861-24-8 |
5-nitro-2-hydroxypyridine-N-oxide |
C5H4N2O4 |
Molecular Weight:156.09600 Density:N/A Boiling Point:N/A Melting Point:N/A |
14396-03-3 |
L-Alanine, N-[(S)-(4-nitrophenoxy)phenoxyphosphinyl]-, 1-methylethyl ester |
C18H21N2O7P |
Molecular Weight:408.34200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256490-31-9 |
2-Acetyl-6-bromonaphthalene |
C12H9BrO |
Molecular Weight:249.10300 Density:N/A Boiling Point:357.1±15.0°C at 760 mmHg Melting Point:N/A |
1590-25-6 |
N-(4-Aminopyrimidin-2-yl)-N-methylamine |
C5H8N4 |
Molecular Weight:124.14400 Density:N/A Boiling Point:N/A Melting Point:N/A |
22404-42-8 |
Pulsatilla saponin D |
C47H76O17 |
Molecular Weight:913.096 Density:1.4±0.1 g/cm3 Boiling Point:997.6±65.0 °C at 760 mmHg Melting Point:N/A |
68027-15-6 |
4-METHYLPHENOXYPROPIONITRILE |
C10H11NO |
Molecular Weight:161.20000 Density:N/A Boiling Point:N/A Melting Point:44-48 °C(lit.) |
25268-01-3 |
erythromycin C |
C36H65NO13 |
Molecular Weight:719.90 Density:1.2±0.1 g/cm3 Boiling Point:826.2±65.0 °C at 760 mmHg Melting Point:N/A |
1675-02-1 |
(R)-1-BOC-2-CHLOROMETHYL-PYRROLIDINE |
C10H18ClNO2 |
Molecular Weight:219.708 Density:1.1±0.1 g/cm3 Boiling Point:284.3±13.0 °C at 760 mmHg Melting Point:N/A |
210963-90-9 |
(1S,3aR,6aS)-octahydrocyclopenta[c]pyrrole-1-carboxylic acid |
C8H13NO2 |
Molecular Weight:155.19400 Density:N/A Boiling Point:N/A Melting Point:N/A |
926276-11-1 |
(S)-N-Fmoc-2-(4'-pentenyl)glycine |
C22H23NO4 |
Molecular Weight:365.422 Density:1.2±0.1 g/cm3 Boiling Point:589.7±45.0 °C at 760 mmHg Melting Point:N/A |
856412-22-1 |
Trans-1-Amino-2-hydroxyindane |
C9H11NO |
Molecular Weight:149.19000 Density:N/A Boiling Point:N/A Melting Point:N/A |
74165-73-4 |
6-O-(TERT-BUTYLDIPHENYLSILYL)-D-GLUCAL |
C22H28O4Si |
Molecular Weight:384.54100 Density:N/A Boiling Point:N/A Melting Point:N/A |
87316-22-1 |
1-Carbamimidoylpiperidine-4-carboxylic acid |
C7H13N3O2 |
Molecular Weight:171.197 Density:1.5±0.1 g/cm3 Boiling Point:341.6±52.0 °C at 760 mmHg Melting Point:N/A |
135322-16-6 |
1,2-Ethanediamine, N2-[3-bromo-5-(trifluoromethyl)phenyl]-N1,N1-dimethyl |
C11H14BrF3N2 |
Molecular Weight:311.142 Density:1.4±0.1 g/cm3 Boiling Point:315.7±42.0 °C at 760 mmHg Melting Point:N/A |
1480680-65-6 |
2-Butyldecanoic acid |
C14H28O2 |
Molecular Weight:228.371 Density:0.9±0.1 g/cm3 Boiling Point:339.6±10.0 °C at 760 mmHg Melting Point:N/A |
52304-09-3 |
2-Amino-5-morpholinobenzoic Acid |
C11H14N2O3 |
Molecular Weight:222.24000 Density:N/A Boiling Point:N/A Melting Point:N/A |
153437-52-6 |
1-Piperazineethanol, 4-[(3-bromophenyl)sulfonyl]- |
C12H17BrN2O3S |
Molecular Weight:349.244 Density:1.5±0.1 g/cm3 Boiling Point:490.1±55.0 °C at 760 mmHg Melting Point:N/A |
1007209-71-3 |
2-(1H-indazol-6-ylthio)-N-methyl- Benzamide |
C15H13N3OS |
Molecular Weight:283.348 Density:1.4±0.1 g/cm3 Boiling Point:555.7±30.0 °C at 760 mmHg Melting Point:N/A |
944835-85-2 |
3-[(6-Methyl-2-pyridinyl)oxy]-1-propanol |
C9H13NO2 |
Molecular Weight:167.205 Density:1.1±0.1 g/cm3 Boiling Point:266.3±25.0 °C at 760 mmHg Melting Point:N/A |
401811-95-8 |
1-(3-Bromo-5-fluorobenzyl)-4-piperidinol |
C12H15BrFNO |
Molecular Weight:288.156 Density:1.5±0.1 g/cm3 Boiling Point:368.5±37.0 °C at 760 mmHg Melting Point:N/A |
1514878-90-0 |
1-(4-(4-bromophenoxy)butyl)-4-Methylpiperazine |
C14H21BrN2O |
Molecular Weight:313.23300 Density:N/A Boiling Point:N/A Melting Point:N/A |
93699-37-7 |
N-(2-Bromo-4-fluorobenzyl)cyclopropanamine |
C10H11BrFN |
Molecular Weight:244.103 Density:1.5±0.1 g/cm3 Boiling Point:288.6±25.0 °C at 760 mmHg Melting Point:N/A |
1016706-75-4 |
Etoricoxib Impurity 27 |
C5H10Cl2N2 |
Molecular Weight:169.052 Density:N/A Boiling Point:N/A Melting Point:N/A |
1352804-27-3 |
1,3-Dibromo-5-chloro-2-methoxybenzene |
C7H5Br2ClO |
Molecular Weight:300.375 Density:1.9±0.1 g/cm3 Boiling Point:283.7±35.0 °C at 760 mmHg Melting Point:N/A |
174913-44-1 |
1-(3-Bromo-5-fluorophenyl)-4-piperidinol |
C11H13BrFNO |
Molecular Weight:274.129 Density:1.5±0.1 g/cm3 Boiling Point:386.6±42.0 °C at 760 mmHg Melting Point:N/A |
1129541-98-5 |
1,2-Ethanediamine, N2-[2-bromo-4-(trifluoromethyl)phenyl]-N1,N1-dimethyl- |
C11H14BrF3N2 |
Molecular Weight:311.142 Density:1.4±0.1 g/cm3 Boiling Point:308.9±42.0 °C at 760 mmHg Melting Point:N/A |
1547425-86-4 |
2-[(6-Methyl-2-pyridinyl)oxy]ethanol |
C8H11NO2 |
Molecular Weight:153.178 Density:1.1±0.1 g/cm3 Boiling Point:256.8±25.0 °C at 760 mmHg Melting Point:N/A |
104472-97-1 |
2-Bromoethyl 4-bromo-2-fluorophenyl ether |
C8H7Br2FO |
Molecular Weight:297.947 Density:1.8±0.1 g/cm3 Boiling Point:304.3±32.0 °C at 760 mmHg Melting Point:N/A |
944278-92-6 |
2-[(2,6-Dichlorobenzyl)oxy]ethanol |
C9H10Cl2O2 |
Molecular Weight:221.081 Density:1.3±0.1 g/cm3 Boiling Point:318.8±32.0 °C at 760 mmHg Melting Point:N/A |
85309-91-7 |
4-Methyl-1-(toluene-4-sulfonyl)-piperidine |
C13H19NO2S |
Molecular Weight:253.361 Density:1.1±0.1 g/cm3 Boiling Point:373.8±35.0 °C at 760 mmHg Melting Point:N/A |
60212-39-7 |
cis-5-Methyl-1H-hexahydropyrrolo[3,4-b]pyrrole Dihydrochloride |
C7H15ClN2 |
Molecular Weight:162.66000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1363166-00-0 |
Benzene, 4-bromo-1-fluoro-2-[(2-methoxyethoxy)methyl]- |
C10H12BrFO2 |
Molecular Weight:263.103 Density:1.4±0.0 g/cm3 Boiling Point:275.8±0.0 °C at 760 mmHg Melting Point:N/A |
188723-93-5 |
5-Bromo-6-chloro-N-methyl-4-pyrimidinamine |
C5H5BrClN3 |
Molecular Weight:222.470 Density:1.8±0.1 g/cm3 Boiling Point:341.5±42.0 °C at 760 mmHg Melting Point:N/A |
1289124-64-6 |
(3-((4-Methoxyphenyl)carbamoyl)phenyl)boronic acid |
C14H14BNO4 |
Molecular Weight:271.076 Density:1.3±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
874459-99-1 |
3-fluoro-4-(Morpholinomethyl)phenylboronic acid |
C11H15BFNO3 |
Molecular Weight:239.051 Density:1.3±0.1 g/cm3 Boiling Point:413.9±55.0 °C at 760 mmHg Melting Point:N/A |
1333388-00-3 |
3-fluoro-N,N-dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)aniline |
C14H21BFNO2 |
Molecular Weight:265.131 Density:1.1±0.1 g/cm3 Boiling Point:365.1±37.0 °C at 760 mmHg Melting Point:N/A |
1129542-03-5 |
3-Fluoro-4-(3-morpholinopropoxy)phenylboronic acid |
C13H19BFNO4 |
Molecular Weight:283.104 Density:1.3±0.1 g/cm3 Boiling Point:475.2±55.0 °C at 760 mmHg Melting Point:N/A |
944279-32-7 |
(2R,4S)-2-Hydroxymethyl-4-Boc-aminopyrrolidine hydrochloride |
C10H20N2O3 |
Molecular Weight:216.27700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1070295-74-7 |
allyltributylphosphonium chloride |
C15H32ClP |
Molecular Weight:278.84100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1530-48-9 |
1-[(3-Bromophenyl)sulfonyl]-4-ethylpiperazine |
C12H17BrN2O2S |
Molecular Weight:333.245 Density:1.5±0.1 g/cm3 Boiling Point:425.0±55.0 °C at 760 mmHg Melting Point:N/A |
1004636-96-7 |
TRANS-1-BENZYL-4-PHENYLPYRROLIDINE-3-CARBOXYLIC ACID |
C18H19NO2 |
Molecular Weight:281.34900 Density:N/A Boiling Point:N/A Melting Point:N/A |
80896-73-7 |
4-Bromo-2-chloro-1-(methoxymethyl)benzene |
C8H8BrClO |
Molecular Weight:235.505 Density:1.5±0.1 g/cm3 Boiling Point:249.1±25.0 °C at 760 mmHg Melting Point:N/A |
1602920-29-5 |
4-(4-Ethylpiperazin-1-ylsulfonyl)phenylboronic acid |
C12H19BN2O4S |
Molecular Weight:298.166 Density:1.4±0.1 g/cm3 Boiling Point:483.4±55.0 °C at 760 mmHg Melting Point:N/A |
486422-70-2 |
5-Bromo-2-(4-ethyl-1-piperazinyl)pyrimidine |
C10H15BrN4 |
Molecular Weight:271.157 Density:1.4±0.1 g/cm3 Boiling Point:375.7±52.0 °C at 760 mmHg Melting Point:N/A |
950410-05-6 |
Pyridine, 3-chloro-2-(1-pyrrolidinyl)-5-(trifluoromethyl)- |
C10H10ClF3N2 |
Molecular Weight:250.648 Density:1.4±0.1 g/cm3 Boiling Point:291.9±40.0 °C at 760 mmHg Melting Point:N/A |
122599-20-6 |
3-Pyrrolidinecarboxylic acid, 4-(3-methoxyphenyl)-1-(phenylmethyl)- |
C19H21NO3 |
Molecular Weight:311.37500 Density:N/A Boiling Point:N/A Melting Point:N/A |
939757-61-6 |
2-(4-Methyl-1-piperidinyl)-5-nitropyridine |
C11H15N3O2 |
Molecular Weight:221.256 Density:1.2±0.1 g/cm3 Boiling Point:381.2±27.0 °C at 760 mmHg Melting Point:N/A |
82857-28-1 |