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 |
3-PYRIDAZINAMINE, 6-(2-PHENYLETHYL)- |
C12H13N3 |
Molecular Weight:199.25200 Density:1.16g/cm3 Boiling Point:393.6ºC at 760 mmHg Melting Point:N/A |
874338-84-8 |
3-METHOXY-4-[3-(1-PYRROLIDINYL)PROPOXY]-BENZOIC ACID HYDROCHLORIDE |
C15H22ClNO4 |
Molecular Weight:315.79200 Density:N/A Boiling Point:464.9ºC at 760 mmHg Melting Point:N/A |
199327-71-4 |
3-fluoro-5-methyl-1-oxidopyridin-1-ium |
C6H6FNO |
Molecular Weight:127.11600 Density:N/A Boiling Point:N/A Melting Point:N/A |
884495-17-4 |
RARECHEM AL BI 0500 |
C10H11FO2 |
Molecular Weight:182.19200 Density:1.109g/cm3 Boiling Point:240.826ºC at 760 mmHg Melting Point:N/A |
86239-00-1 |
2-BROMO-3-FLUORO-PHENYLAMINE HYDROCHLORIDE |
C6H6BrClFN |
Molecular Weight:226.47400 Density:N/A Boiling Point:266.3ºC at 760 mmHg Melting Point:N/A |
118313-87-4 |
3-CYANO-5-FLUOROPHENYLACETYLENE |
C9H4FN |
Molecular Weight:145.13300 Density:N/A Boiling Point:N/A Melting Point:N/A |
872122-56-0 |
3-Bromo-6-fluoro-4-iodo-2-methylpyridine |
C6H4BrFIN |
Molecular Weight:315.91000 Density:N/A Boiling Point:N/A Melting Point:N/A |
884494-46-6 |
3-(aminomethyl)-6-methoxy-1,3-dihydroindol-2-one |
C10H12N2O2 |
Molecular Weight:192.21400 Density:N/A Boiling Point:N/A Melting Point:N/A |
933747-35-4 |
3-Acetyl-2-methyl-4-quinolinecarboxylic acid |
C13H11NO3 |
Molecular Weight:229.23100 Density:N/A Boiling Point:N/A Melting Point:N/A |
845294-37-3 |
3-[(4-CHLORO-3-ETHYL-1-METHYL-1H-PYRAZOL-5-YL)CARBONYL]-2-OXAZOLIDINONE |
C10H12ClN3O3 |
Molecular Weight:257.67400 Density:1.5g/cm3 Boiling Point:407.4ºC at 760 mmHg Melting Point:N/A |
884314-05-0 |
2-PYRIDINAMINE, 4-CHLORO-N-METHYL-, MONOHYDROCHLORIDE |
C6H8Cl2N2 |
Molecular Weight:179.04700 Density:N/A Boiling Point:276.1ºC at 760 mmHg Melting Point:N/A |
315496-38-9 |
2-Fluoro-4-hydroxynicotinic acid |
C6H4FNO3 |
Molecular Weight:157.09900 Density:N/A Boiling Point:N/A Melting Point:N/A |
884495-07-2 |
2-Chloro-3-fluoro-5-methyl-4-pyridinol |
C6H5ClFNO |
Molecular Weight:161.56100 Density:N/A Boiling Point:N/A Melting Point:N/A |
884495-20-9 |
2-[3-(3,4-DIHYDRO-6,7-DIMETHOXY-2(1H)-ISOQUINOLINYL)PROPYL]-1H-ISOINDOLE-1,3(2H)-DIONE |
C22H24N2O4 |
Molecular Weight:380.43700 Density:1.235g/cm3 Boiling Point:543.5ºC at 760 mmHg Melting Point:N/A |
876751-49-4 |
2,4,5-TRIFLUORO-3-HYDROXYBENZOIC ACID METHYL ESTER |
C8H5F3O3 |
Molecular Weight:206.11900 Density:1.489g/cm3 Boiling Point:277.167ºC at 760 mmHg Melting Point:N/A |
137234-92-5 |
1-ETHOXY-4-CHLOROPHTHALAZINE |
C10H9ClN2O |
Molecular Weight:208.64400 Density:1.284g/cm3 Boiling Point:402.8ºC at 760 mmHg Melting Point:N/A |
22378-29-6 |
1-(cyclopropylmethyl)piperidine-3-carboxylic acid |
C10H17NO2 |
Molecular Weight:183.24700 Density:N/A Boiling Point:N/A Melting Point:N/A |
939757-45-6 |
1-[(4-CHLORO-3-ETHYL-1-METHYL-1H-PYRAZOL-5-YL)CARBONYL]-1H-IMIDAZOLE |
C10H11ClN4O |
Molecular Weight:238.67400 Density:1.38g/cm3 Boiling Point:449.2ºC at 760 mmHg Melting Point:N/A |
880495-51-2 |
1-(6-HYDROXY-2,4-DIISOPROPOXY-3-METHOXYPHENYL)ETHANONE |
C15H22O5 |
Molecular Weight:282.33200 Density:N/A Boiling Point:N/A Melting Point:N/A |
93344-50-4 |
1,3-BENZENEDIOL, 4-BROMO-6-NITRO- |
C6H4BrNO4 |
Molecular Weight:234.00400 Density:N/A Boiling Point:N/A Melting Point:N/A |
875235-16-8 |
Uridine 5'-Tetraphosphate |
C9H16N2O18P4 |
Molecular Weight:564.12100 Density:2.187g/cm3 Boiling Point:N/A Melting Point:N/A |
10003-94-8 |
1-[2-(diethoxyphosphorylcarbamothioylamino)phenyl]-3-(4-methylphenyl)sulfonylurea |
C19H25N4O6PS2 |
Molecular Weight:500.52900 Density:1.416g/cm3 Boiling Point:N/A Melting Point:N/A |
52406-01-6 |
Urea-formaldehyde (1:1) |
C2H6N2O2 |
Molecular Weight:90.08120 Density:N/A Boiling Point:N/A Melting Point:N/A |
68002-18-6 |
Urea-formaldehyde (1:1) |
C2H6N2O2 |
Molecular Weight:90.08120 Density:N/A Boiling Point:196.6ºC at 760mmHg Melting Point:N/A |
68071-44-3 |
formaldehyde,methanol,urea |
C3H10N2O3 |
Molecular Weight:122.12300 Density:N/A Boiling Point:N/A Melting Point:N/A |
37999-54-5 |
Urea, N-methyl-N-(7-methyl-2-benzothiazolyl)- (9CI) |
C10H11N3OS |
Molecular Weight:221.27900 Density:N/A Boiling Point:N/A Melting Point:N/A |
53284-70-1 |
Urea, N-methyl-N-(5-methyl-2-benzothiazolyl)- (9CI) |
C10H11N3OS |
Molecular Weight:221.27900 Density:N/A Boiling Point:N/A Melting Point:N/A |
115011-31-9 |
[1,1'-Biphenyl]-2-carboxylic acid,4,4'-dimethyl |
C15H14O2 |
Molecular Weight:226.27000 Density:N/A Boiling Point:363.6°C at 760 mmHg Melting Point:N/A |
537712-98-4 |
5-methyl-2-sulfanylidene-1,3,4-thiadiazole-3-carbaldehyde |
C4H4N2OS2 |
Molecular Weight:160.21700 Density:N/A Boiling Point:N/A Melting Point:N/A |
100747-87-3 |
5-(3,5-dichlorolphenyl)-1,3-oxazole-4-carboxylic acid |
C10H5Cl2NO3 |
Molecular Weight:258.05800 Density:N/A Boiling Point:N/A Melting Point:N/A |
914220-28-3 |
Ethanone, 1-(1,2,3,6-tetrahydro-1-methyl-4-pyridinyl)- (9CI) |
C8H13NO |
Molecular Weight:139.19500 Density:0.993g/cm3 Boiling Point:225.9ºC at 760mmHg Melting Point:N/A |
100752-88-3 |
3-Bromo-5-methylbenzamide |
C8H8BrNO |
Molecular Weight:214.059 Density:1.5±0.1 g/cm3 Boiling Point:271.4±33.0 °C at 760 mmHg Melting Point:N/A |
1007578-82-6 |
3-chloro-4-hydroxybenzamide |
C7H6ClNO2 |
Molecular Weight:171.58100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1007578-86-0 |
2-methyl-4-(3-chloro)phenyl thiazole-5-carboxylic acid |
C11H8ClNO2S |
Molecular Weight:253.70500 Density:N/A Boiling Point:N/A Melting Point:N/A |
905808-17-5 |
6,7-Dimethoxy-1H-benzo[d][1,3]oxazine-2,4-dione |
C10H9NO5 |
Molecular Weight:223.182 Density:1.4±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
20197-92-6 |
ETHYL 2-AMINO-4-(3-FLUOROPHENYL)THIAZOLE-5-CARBOXYLATE |
C12H11FN2O2S |
Molecular Weight:266.29100 Density:N/A Boiling Point:N/A Melting Point:N/A |
887267-78-9 |
2-BOC-AMINO-3,5-DICHLOROBENZOIC ACID |
C12H13Cl2NO4 |
Molecular Weight:306.142 Density:1.4±0.1 g/cm3 Boiling Point:366.6±42.0 °C at 760 mmHg Melting Point:N/A |
669713-58-0 |
ethyl 2-piperazine-4-(4-trifluoromethyl)phenyl thiazole-5-carboxylate |
C17H18F3N3O2S |
Molecular Weight:385.40400 Density:N/A Boiling Point:N/A Melting Point:N/A |
905807-67-2 |
1-Ethynyl-3-fluorobenzene |
C8H5F |
Molecular Weight:120.124 Density:1.1±0.1 g/cm3 Boiling Point:148.7±23.0 °C at 760 mmHg Melting Point:N/A |
2561-17-3 |
5-(4-methoxyphenyl)oxazole-4-carboxylic acid |
C11H9NO4 |
Molecular Weight:219.19300 Density:1.31g/cm3 Boiling Point:388.9ºC at 760 mmHg Melting Point:147ºC |
89205-07-2 |
Methyl 4,6-dichloroquinoline-2-carboxylate |
C11H7Cl2NO2 |
Molecular Weight:256.08500 Density:N/A Boiling Point:N/A Melting Point:N/A |
848501-96-2 |
(r)-4-phenyl-1,3-thiazolidine-2-thione |
C9H9NS2 |
Molecular Weight:195.30400 Density:1.317g/cm3 Boiling Point:322.2ºC at 760 mmHg Melting Point:129 °C |
110199-18-3 |
METHYL 4-CHLORO-6-NITRO-QUINOLINE-2-CARBOXYLATE |
C11H7ClN2O4 |
Molecular Weight:266.63700 Density:N/A Boiling Point:N/A Melting Point:N/A |
259196-22-0 |
4'-Phenoxyphenylacetylene |
C14H10O |
Molecular Weight:194.229 Density:1.1±0.1 g/cm3 Boiling Point:285.1±23.0 °C at 760 mmHg Melting Point:284 ℃ (decomposition) |
4200-06-0 |
ethyl 2-piperazine-4-cyclopentylethyl thiazole-5-carboxylate |
C17H27N3O2S |
Molecular Weight:337.48000 Density:N/A Boiling Point:N/A Melting Point:N/A |
905807-74-1 |
3,5-Dichloroisatoic anhydride |
C8H3Cl2NO3 |
Molecular Weight:232.02000 Density:1.654g/cm3 Boiling Point:N/A Melting Point:N/A |
4693-00-9 |
4-Ethynyl-N,N-dimethylaniline |
C10H11N |
Molecular Weight:145.201 Density:1.0±0.1 g/cm3 Boiling Point:227.9±23.0 °C at 760 mmHg Melting Point:49-53 °C(lit.) |
17573-94-3 |
N,N-Diethyl-4-ethynylaniline |
C12H15N |
Molecular Weight:173.254 Density:1.0±0.1 g/cm3 Boiling Point:264.8±23.0 °C at 760 mmHg Melting Point:N/A |
41876-70-4 |
1-Bromo-2-ethynylbenzene |
C8H5Br |
Molecular Weight:181.029 Density:1.5±0.1 g/cm3 Boiling Point:214.1±23.0 °C at 760 mmHg Melting Point:N/A |
766-46-1 |
ethyl 2-piperazine-4-(3-fluoro)phenyl thiazole-5-carboxylate |
C16H18FN3O2S |
Molecular Weight:335.39600 Density:N/A Boiling Point:N/A Melting Point:N/A |
887267-69-8 |