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 |
(3R)-3-Amino-1-butanol |
C4H11NO |
Molecular Weight:89.136 Density:0.9±0.1 g/cm3 Boiling Point:168.3±13.0 °C at 760 mmHg Melting Point:N/A |
61477-40-5 |
TETRAAMMINEPALLADIUM(II) ACETATE |
C4H22N4O6Pd |
Molecular Weight:328.66100 Density:N/A Boiling Point:N/A Melting Point:183-186ºC (dec.)(lit.) |
61495-96-3 |
(R)-1-Phenylbutylamine |
C10H15N |
Molecular Weight:149.23300 Density:0.934g/cm3 Boiling Point:220ºC Melting Point:N/A |
6150-01-2 |
(R)-3-Chlorolactic acid |
C3H5ClO3 |
Molecular Weight:124.52300 Density:1.519 g/cm3 Boiling Point:259.5ºC at 760 mmHg Melting Point:N/A |
61505-41-7 |
(R)-sec-Butyl 4-methylbenzenesulfonate |
C11H16O3S |
Molecular Weight:228.30800 Density:1.12 g/mL at 25ºC(lit.) Boiling Point:139-141ºC(lit.) Melting Point:N/A |
61530-30-1 |
(E)-3-Methylpent-3-en-1-yn-5-ol |
C6H8O |
Molecular Weight:96.12710 Density:0.94 Boiling Point:171ºC Melting Point:N/A |
6153-06-6 |
Ethyl tryptophanate hydrochloride (1:1) |
C13H17ClN2O2 |
Molecular Weight:268.739 Density:N/A Boiling Point:427.8ºC at 760 mmHg Melting Point:212.5ºC |
61535-49-7 |
Saccharin sodium dihydrate |
C7H9NNaO5S |
Molecular Weight:241.197 Density:N/A Boiling Point:438.9ºC at 760 mmHg Melting Point:228 °C |
6155-57-3 |
Propanoic acid,2-hydroxy-, zinc salt (1:1), (2S)- |
C6H10O6Zn |
Molecular Weight:243.52000 Density:N/A Boiling Point:227.6ºC at 760 mmHg Melting Point:N/A |
6155-68-6 |
5,6-DIHYDRO-[1,4]DIOXINE-2-CARBOXYLIC ACID |
C5H6O4 |
Molecular Weight:130.09900 Density:1.412g/cm3 Boiling Point:222.6ºC at 760 mmHg Melting Point:N/A |
61564-98-5 |
erbium perchlorate 6h2o |
Cl3ErO12 |
Molecular Weight:465.61100 Density:N/A Boiling Point:N/A Melting Point:N/A |
61565-07-9 |
Pregnenolone-d4-1 |
C21H28D4O2 |
Molecular Weight:320.50200 Density:N/A Boiling Point:N/A Melting Point:N/A |
61574-54-7 |
(1R,2S)-2-Hydroxy-Cyclohexanecarboxylic Acid Ethyl Ester |
C9H16O3 |
Molecular Weight:172.22200 Density:1.093 g/cm3 Boiling Point:251.4ºC at 760 mmHg Melting Point:N/A |
61586-78-5 |
Ethyl(1R,2S)-cis-2-hydroxy-cyclopentanoate |
C8H14O3 |
Molecular Weight:158.19500 Density:1.073 g/mL at 20ºC(lit.) Boiling Point:N/A Melting Point:N/A |
61586-79-6 |
(-)-TRANS-45-BIS(IODOMETHYL)-2,2-DIMETHYL-13-DIOXOLANE |
C18H16O7 |
Molecular Weight:344.31500 Density:1.49g/cm3 Boiling Point:594.8ºC at 760 mmHg Melting Point:N/A |
6159-66-6 |
(+)-Isobutyl D-lactate |
C7H14O3 |
Molecular Weight:146.18400 Density:0.971 Boiling Point:73ºC (13 mmHg) Melting Point:N/A |
61597-96-4 |
L-Menthyl lactate |
C13H24O3 |
Molecular Weight:228.328 Density:1.0±0.1 g/cm3 Boiling Point:304.0±15.0 °C at 760 mmHg Melting Point:42-47ºC |
61597-98-6 |
(R)-2-Methylbutanol |
C5H12O |
Molecular Weight:88.148 Density:0.8±0.1 g/cm3 Boiling Point:128.7±0.0 °C at 760 mmHg Melting Point:N/A |
616-16-0 |
8-Chloro-2,3,4,5-tetrahydro-1-methyl-1H-3-benzazepine |
C11H14ClN |
Molecular Weight:195.689 Density:1.1±0.1 g/cm3 Boiling Point:288.1±40.0 °C at 760 mmHg Melting Point:N/A |
616201-80-0 |
3-Butene-1,2-diol |
C4H8O2 |
Molecular Weight:88.10510 Density:1.036g/cm3 Boiling Point:196.5ºC at 760mmHg Melting Point:N/A |
86161-40-2 |
vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine |
C56H34N8O5V |
Molecular Weight:949.86100 Density:N/A Boiling Point:N/A Melting Point:N/A |
109738-21-8 |
10-(2-chloroethyl)-6-piperazin-1-ylbenzo[b][1,4]benzothiazepine |
C19H20ClN3S |
Molecular Weight:357.90000 Density:N/A Boiling Point:N/A Melting Point:N/A |
352232-17-8 |
2-decylsulfanylethanamine,hydrochloride |
C12H28ClNS |
Molecular Weight:253.87500 Density:N/A Boiling Point:307.5ºC at 760mmHg Melting Point:N/A |
36362-09-1 |
3-(4-Chlorophenyl)-4-(1-methyl-1H-indol-3-yl)-1H-pyrrole-2,5-dione |
C19H13ClN2O2 |
Molecular Weight:336.77200 Density:1.38 Boiling Point:574.1ºC at 760 mmHg Melting Point:N/A |
125313-99-7 |
almitrine-raubasine |
C47H53F2N9O3 |
Molecular Weight:829.97900 Density:N/A Boiling Point:606.2ºC at 760 mmHg Melting Point:N/A |
76997-30-3 |
Calcium/Sodium PVM/MA Copolymer |
C7H7CaNaO5 |
Molecular Weight:234.19500 Density:N/A Boiling Point:355.5ºC at 760mmHg Melting Point:N/A |
62386-95-2 |
1,3-bis[4-(3-Aminophenoxy)benzoyl]benzene |
C32H24N2O4 |
Molecular Weight:500.544 Density:1.3±0.1 g/cm3 Boiling Point:726.6±60.0 °C at 760 mmHg Melting Point:147-148ºC |
110471-15-3 |
PHENOL, 4-AMINO-, 1-(4-AMINOBENZOATE) |
C13H12N2O2 |
Molecular Weight:228.24700 Density:1.286 Boiling Point:465.646ºC at 760 mmHg Melting Point:N/A |
20610-77-9 |
Bis(4-aminophenyl) terephthalate |
C20H16N2O4 |
Molecular Weight:348.352 Density:1.3±0.1 g/cm3 Boiling Point:608.6±50.0 °C at 760 mmHg Melting Point:224 °C(dec.) |
16926-73-1 |
(S)-(+)-2-Chlorophenylglycine methyl ester hydrochloride |
C9H11Cl2NO2 |
Molecular Weight:236.09500 Density:N/A Boiling Point:N/A Melting Point:N/A |
141109-15-1 |
butyl piperazine-1-carboxylate |
C9H18N2O2 |
Molecular Weight:186.25100 Density:N/A Boiling Point:N/A Melting Point:N/A |
50606-32-1 |
4-Trimethylsilanylaniline |
C9H15NSi |
Molecular Weight:165.30800 Density:N/A Boiling Point:N/A Melting Point:N/A |
17889-23-5 |
ANTHRACENE, 9-(2-NAPHTHALENYL)-10-[4-(1-NAPHTHALENYL)PHENYL]- |
C40H26 |
Molecular Weight:506.63400 Density:1.201 Boiling Point:N/A Melting Point:N/A |
667940-34-3 |
2-Bromo-N,N-diphenylaniline |
C18H14BrN |
Molecular Weight:324.215 Density:1.4±0.1 g/cm3 Boiling Point:406.6±28.0 °C at 760 mmHg Melting Point:N/A |
78600-31-4 |
4-(Phenylamino)Benzonitrile |
C13H10N2 |
Molecular Weight:194.23200 Density:1.15±0.1 g/cm3(Predicted) Boiling Point:368.8±25.0 °C(Predicted) Melting Point:134-135 °C |
36602-01-4 |
N,N-Bis(4-biphenylyl)-N-(4-bromophenyl)amine |
C30H22BrN |
Molecular Weight:476.406 Density:1.3±0.1 g/cm3 Boiling Point:625.7±55.0 °C at 760 mmHg Melting Point:172-174℃ |
499128-71-1 |
1,4-BenzenediaMine, N,N,N',N'-tetrakis[4-[bis(2-Methylpropyl)aMino]phenyl]- |
C62H92N6 |
Molecular Weight:921.43400 Density:N/A Boiling Point:N/A Melting Point:178 °C |
485831-34-3 |
2,2',3,3'-Tetrahydro-1,1'-spirobi[1H-indene]-7,7'-diol |
C17H16O2 |
Molecular Weight:252.308 Density:1.3±0.1 g/cm3 Boiling Point:433.0±45.0 °C at 760 mmHg Melting Point:N/A |
223137-87-9 |
2-Hydroxypropyl myristate |
C17H34O3 |
Molecular Weight:286.45000 Density:0.922g/cm3 Boiling Point:392.2ºC at 760 mmHg Melting Point:N/A |
29059-24-3 |
sodium diamyl sulfosuccinate |
C14H25NaO7S |
Molecular Weight:360.39900 Density:N/A Boiling Point:N/A Melting Point:N/A |
922-80-5 |
[4-[4-(4-benzoyl-3-hydroxyphenoxy)butoxy]-2-hydroxyphenyl]-phenylmethanone |
C30H26O6 |
Molecular Weight:482.52400 Density:1.255g/cm3 Boiling Point:680.224ºC at 760 mmHg Melting Point:N/A |
23911-80-0 |
MTT FORMAZAN |
C18H17N5S |
Molecular Weight:335.42600 Density:1.22g/cm3 Boiling Point:493.1ºC at 760 mmHg Melting Point:N/A |
57360-69-7 |
GUANIDINE CARBONATE |
C3H12N6O3 |
Molecular Weight:180.16600 Density:N/A Boiling Point:132.9ºC at 760mmHg Melting Point:>300ºC |
3425-08-9 |
citrol |
C10H18O |
Molecular Weight:154.24900 Density:0.866 g/cm3 Boiling Point:229.5ºC at 760 mmHg Melting Point:-15ºC |
624-15-7 |
POLY(ETHYLENE-CO-METHYL ACRYLATE-CO-GLYCIDYL METHACRYLATE) |
C13H20O5 |
Molecular Weight:256.29500 Density:N/A Boiling Point:189ºC at 760mmHg Melting Point:39ºC(lit.) |
51541-08-3 |
4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with ethene and 1-propene |
C15H22 |
Molecular Weight:202.33500 Density:N/A Boiling Point:N/A Melting Point:N/A |
25034-71-3 |
Dodecyl benzene sulfonic acid |
C18H30O3S |
Molecular Weight:326.49400 Density:N/A Boiling Point:N/A Melting Point:-12 °C |
68584-22-5 |
Quaternary ammonium compounds, C12-18-alkyl[(ethylphenyl)methyl]dimethyl, chlorides |
C25H46ClN |
Molecular Weight:396.09200 Density:N/A Boiling Point:N/A Melting Point:N/A |
68956-79-6 |
2-Hydroxyethyl octacosanoate |
C30H60O3 |
Molecular Weight:468.79600 Density:0.893g/cm3 Boiling Point:562.1ºC at 760 mmHg Melting Point:N/A |
73138-45-1 |
butyl prop-2-enoate, methyl 2-methylprop-2-enoate, 2-methylprop-2 -enoic acid, styrene |
C24H34O6 |
Molecular Weight:418.52300 Density:N/A Boiling Point:145.9ºC at 760mmHg Melting Point:N/A |
25987-66-0 |