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 |
1-BENZYL-1,2,3,6-TETRAHYDROISONICOTINIC ACID ETHYL ESTER |
C15H19NO2 |
Molecular Weight:245.31700 Density:1.108 Boiling Point:344ºC Melting Point:N/A |
23019-62-7 |
4-hydroxyphenyl methanesulfonate |
C7H8O4S |
Molecular Weight:188.20100 Density:1.416g/cm3 Boiling Point:368.5ºC at 760 mmHg Melting Point:N/A |
59722-33-7 |
3-Amino-4-cyclopropyl-1H-pyrazole |
C6H9N3 |
Molecular Weight:123.15600 Density:1.349 Boiling Point:320.668ºC at 760 mmHg Melting Point:N/A |
673475-74-6 |
3-QUINOLINECARBOXYLIC ACID, 4-CHLORO-6-METHOXY-7-(PHENYLMETHOXY)-, ETHYL ESTER |
C20H18ClNO4 |
Molecular Weight:371.81400 Density:1.274 Boiling Point:N/A Melting Point:N/A |
307353-90-8 |
2-Amino-1-pyrroline |
C4H8N2 |
Molecular Weight:84.11970 Density:N/A Boiling Point:N/A Melting Point:N/A |
872-34-4 |
3-(dimethylcarbamoyl)-4-hydroxybenzoic acid |
C10H11NO4 |
Molecular Weight:209.19900 Density:N/A Boiling Point:N/A Melting Point:N/A |
99060-72-7 |
E 2012 |
C25H26FN3O2 |
Molecular Weight:419.49100 Density:1.195g/cm3 Boiling Point:649.168ºC at 760 mmHg Melting Point:N/A |
870843-42-8 |
4'-CHLORO-3'-(TRIFLUOROMETHYL)-[1,1'-BIPHENYL]-3-CARBOXYLIC ACID |
C14H8ClF3O2 |
Molecular Weight:300.66000 Density:1.413g/cm3 Boiling Point:424.342ºC at 760 mmHg Melting Point:N/A |
893637-97-3 |
1,3-Benzodioxol-5(6H)-one, 7,7a-dihydro-2,2,4,6,6-pentamethyl- |
C12H18O3 |
Molecular Weight:210.27000 Density:1.08 g/cm3 Boiling Point:292.8ºC at 760 mmHg Melting Point:N/A |
83020-74-0 |
1-(3-Fluorobenzyl)-5-nitro-1H-indazole |
C14H10FN3O2 |
Molecular Weight:271.246 Density:1.4±0.1 g/cm3 Boiling Point:447.7±30.0 °C at 760 mmHg Melting Point:N/A |
529508-58-5 |
5-Bromo-1,2-dicarboxylic acid-1H-Pyrrole 1-(1,1-dimethylethyl) ester |
C10H12BrNO4 |
Molecular Weight:290.11100 Density:1.53 g/cm3 Boiling Point:395.145ºC at 760 mmHg Melting Point:N/A |
117657-41-7 |
2-Aminocarbonyl-5-nitrobenzofuran |
C9H6N2O4 |
Molecular Weight:206.15500 Density:N/A Boiling Point:N/A Melting Point:N/A |
267644-49-5 |
3-(4-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL)BENZOIC ACID |
C12H9F3N2O2 |
Molecular Weight:270.207 Density:1.4±0.1 g/cm3 Boiling Point:423.5±45.0 °C at 760 mmHg Melting Point:N/A |
641571-13-3 |
3-Azabicyclo[3.1.0]hexane-1-carbonitrile, 3-(phenylmethyl)- |
C13H14N2 |
Molecular Weight:198.26400 Density:N/A Boiling Point:N/A Melting Point:N/A |
56062-59-0 |
4-(3-Bromopropyl)morpholine |
C7H14BrNO |
Molecular Weight:208.096 Density:1.3±0.1 g/cm3 Boiling Point:242.6±25.0 °C at 760 mmHg Melting Point:N/A |
125422-83-5 |
4-Hexyloxyphenyl 4-nitrobenzoate |
C19H21NO5 |
Molecular Weight:343.37400 Density:1.179g/cm3 Boiling Point:497.1ºC at 760 mmHg Melting Point:N/A |
68162-10-7 |
5-Methyl-2-(methylsulfonyl)-7-phenylimidazo[5,1-f][1,2,4]triazine |
C13H12N4O2S |
Molecular Weight:288.32500 Density:N/A Boiling Point:N/A Melting Point:N/A |
774462-48-5 |
(R)-2-chloro-8-cyclopentyl-7-ethyl-7,8-dihydropteridin-6(5H)-one |
C13H17ClN4O |
Molecular Weight:280.75300 Density:N/A Boiling Point:N/A Melting Point:N/A |
755039-54-4 |
Benzenemethanamine, 2,3,4,5,6-pentafluoro-a-methyl-, (aS) |
C8H6F5N |
Molecular Weight:211.13200 Density:N/A Boiling Point:N/A Melting Point:N/A |
916675-98-4 |
Benzenemethanamine, 2-chloro-6-fluoro-a-methyl-, (aS)- |
C8H9ClFN |
Molecular Weight:173.61500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1000922-53-1 |
(R)-1-(4-iodophenyl)ethan-1-amine |
C8H10IN |
Molecular Weight:247.07600 Density:1.661g/cm3 Boiling Point:264.821ºC at 760 mmHg Melting Point:N/A |
150085-44-2 |
(S)-1-(2,4-dimethylphenyl)ethanamine |
C10H15N |
Molecular Weight:149.23300 Density:0.937g/cm3 Boiling Point:232.2ºC at 760 mmHg Melting Point:N/A |
856563-12-7 |
Benzenepropanoic acid,-[(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)oxy]-,(aR)- |
C17H13NO5 |
Molecular Weight:311.28900 Density:N/A Boiling Point:N/A Melting Point:N/A |
310404-47-8 |
Benzoicacid,4-[(1R)-1-aminoethyl]-,methylester |
C10H13NO2 |
Molecular Weight:179.216 Density:1.1±0.1 g/cm3 Boiling Point:281.5±15.0 °C at 760 mmHg Melting Point:N/A |
912342-10-0 |
Butanoic acid, 2-(4-ethoxyphenoxy)- |
C12H16O4 |
Molecular Weight:224.25300 Density:N/A Boiling Point:N/A Melting Point:N/A |
758660-80-9 |
Ethyl 5-chloro-1,3,4-thiadiazole-2-carboxylate |
C5H5ClN2O2S |
Molecular Weight:192.623 Density:1.5±0.1 g/cm3 Boiling Point:288.2±23.0 °C at 760 mmHg Melting Point:N/A |
64837-49-6 |
Hydrazinecarbodithioic acid, [1-(2-pyridinyl)propylidene]-, methyl ester |
C10H13N3S2 |
Molecular Weight:239.36000 Density:1.19g/cm3 Boiling Point:368.4ºC at 760 mmHg Melting Point:N/A |
81742-04-3 |
Phenol, 5-(1-aminoethyl)-2-methoxy-, (R)- |
C9H13NO2 |
Molecular Weight:167.20500 Density:N/A Boiling Point:N/A Melting Point:N/A |
134856-00-1 |
Propanoicacid,2-(4-ethoxyphenoxy)-2-methyl- |
C12H16O4 |
Molecular Weight:224.25300 Density:1.131g/cm3 Boiling Point:350.7ºC at 760 mmHg Melting Point:N/A |
154548-95-5 |
4-N-naphthalen-1-yl-1-N,1-N-bis[4-(N-naphthalen-1-ylanilino)phenyl]-4-N-phenylbenzene-1,4-diamine |
C66H48N4 |
Molecular Weight:897.11400 Density:N/A Boiling Point:N/A Melting Point:N/A |
497182-61-3 |
1,2,3,4-Tetrahydroisoquinoline-3-carboxamide |
C10H12N2O |
Molecular Weight:176.21500 Density:1.169g/cm3 Boiling Point:413ºC at 760mmHg Melting Point:N/A |
112794-29-3 |
1,3-Benzodithiol-1-ium tetrafluoroborate |
C7H5BF4S2 |
Molecular Weight:240.049 Density:N/A Boiling Point:N/A Melting Point:150 °C (dec.)(lit.) |
57842-27-0 |
3,6,9-Trioxaundecanedioic acid |
C8H14O7 |
Molecular Weight:222.193 Density:1.3±0.1 g/cm3 Boiling Point:443.7±30.0 °C at 760 mmHg Melting Point:N/A |
13887-98-4 |
Fmoc-N-methyl-O-benzyl-L-serine |
C26H25NO5 |
Molecular Weight:431.480 Density:1.3±0.1 g/cm3 Boiling Point:618.9±55.0 °C at 760 mmHg Melting Point:N/A |
84000-14-6 |
1-Ethyl-3-(2-methoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)urea |
C16H25BN2O4 |
Molecular Weight:320.192 Density:1.1±0.1 g/cm3 Boiling Point:429.0±45.0 °C at 760 mmHg Melting Point:N/A |
917111-46-7 |
S-(Trifluoromethyl)dibenzothiophenium tetrafluoroborate |
C13H8BF7S |
Molecular Weight:340.067 Density:N/A Boiling Point:N/A Melting Point:171-172°C |
131880-16-5 |
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile |
C13H16BNO2 |
Molecular Weight:229.083 Density:1.1±0.1 g/cm3 Boiling Point:341.0±25.0 °C at 760 mmHg Melting Point:78-82 °C(lit.) |
214360-46-0 |
3-(3-Pyridinyl)-1-propanol |
C8H11NO |
Molecular Weight:137.179 Density:1.1±0.1 g/cm3 Boiling Point:284.0±0.0 °C at 760 mmHg Melting Point:N/A |
2859-67-8 |
4-(Trimethysilyl)-ethynylbenzaldehyde |
C12H14OSi |
Molecular Weight:202.32400 Density:0.98g/cm3 Boiling Point:262.1ºC at 760 mmHg Melting Point:66-70ºC |
77123-57-0 |
4-(N,N-Dimethylaminocarbonyl)phenylboronic acid, pinacol ester |
C15H22BNO3 |
Molecular Weight:275.151 Density:1.1±0.1 g/cm3 Boiling Point:406.2±28.0 °C at 760 mmHg Melting Point:N/A |
400727-57-3 |
4,5-diamino-6-hydroxypyrimidine hemisulfate |
C8H14N8O6S |
Molecular Weight:350.31200 Density:N/A Boiling Point:603.4ºC at 760 mmHg Melting Point:270ºC (dec.)(lit.) |
102783-18-6 |
N-(4-methyl-1,3-thiazol-2-yl)acetamide |
C6H8N2OS |
Molecular Weight:156.20600 Density:1.285g/cm3 Boiling Point:N/A Melting Point:134-136ºC(lit.) |
7336-51-8 |
5-chloro-4-iodo-N-isopropylpyridin-2-amine |
C8H10ClIN2 |
Molecular Weight:296.53600 Density:N/A Boiling Point:N/A Melting Point:N/A |
869886-87-3 |
5-Bromo-2-cyclopropyl-1-isoindolinone |
C11H10BrNO |
Molecular Weight:252.10700 Density:N/A Boiling Point:N/A Melting Point:N/A |
864866-56-8 |
5-bromo-2-(1,3-dioxolan-2-yl)pyridine |
C8H8BrNO2 |
Molecular Weight:230.05900 Density:N/A Boiling Point:N/A Melting Point:N/A |
884495-16-3 |
Ethyl 5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine-1-carboxylate |
C9H13N3O2 |
Molecular Weight:195.218 Density:1.4±0.1 g/cm3 Boiling Point:422.2±45.0 °C at 760 mmHg Melting Point:N/A |
951627-01-3 |
(4-Phenyl-1-piperidinyl)acetic acid |
C13H17NO2 |
Molecular Weight:219.28000 Density:N/A Boiling Point:N/A Melting Point:N/A |
394202-90-5 |
4-Amino-N-methoxy-N-methyl-benzamide |
C9H12N2O2 |
Molecular Weight:180.20400 Density:N/A Boiling Point:N/A Melting Point:N/A |
186252-52-8 |
4,5-DIFLUORO-O-PHENYLENEDIAMINE DIHYDROCHLORIDE |
C6H8Cl2F2N2 |
Molecular Weight:217.04400 Density:N/A Boiling Point:338.2ºC at 760 mmHg Melting Point:N/A |
123470-46-2 |
3-PYRIDAZINECARBOXYLIC ACID, 6-AMINO-, HYDROCHLORIDE |
C5H6ClN3O2 |
Molecular Weight:175.57300 Density:N/A Boiling Point:N/A Melting Point:N/A |
120854-58-2 |