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 |
2-(2',6'-DIMETHYLPHENYLTHIO)ANILINE |
C14H15NS |
Molecular Weight:229.34100 Density:N/A Boiling Point:N/A Melting Point:N/A |
33264-60-7 |
5-Chlorotryptophan |
C11H11ClN2O2 |
Molecular Weight:238.670 Density:1.5±0.1 g/cm3 Boiling Point:476.9±45.0 °C at 760 mmHg Melting Point:N/A |
52448-15-4 |
Calcium Thioglycolate Trihydrate |
C2H8CaO5S |
Molecular Weight:184.22500 Density:N/A Boiling Point:N/A Melting Point:N/A |
5793-98-6 |
Me6TREN |
C12H30N4 |
Molecular Weight:230.39300 Density:0.901g/cm3 Boiling Point:243.5ºC at 760mmHg Melting Point:N/A |
33527-91-2 |
Rhodium(2+) trifluoroacetate (1:2) |
C8F12O8Rh2 |
Molecular Weight:657.873 Density:N/A Boiling Point:72.2ºC at 760 mmHg Melting Point:N/A |
31126-95-1 |
Trimethylhexamethylenediamine (2,2,4- and 2,4,4- mixture) |
C9H22N2 |
Molecular Weight:158.28400 Density:0.87 g/cm3 Boiling Point:232ºC Melting Point:-80 °C |
25513-64-8 |
Rutoside Trihydrate |
C20H36O3 |
Molecular Weight:324.49800 Density:1.82g/cm3 Boiling Point:983.1ºC at 760mmHg Melting Point:195ºC |
250249-75-3 |
cerous caibonate |
C3Ce2O9 |
Molecular Weight:460.25900 Density:N/A Boiling Point:N/A Melting Point:N/A |
77520-94-6 |
Gadolinium nitrate hydrate (1:3:5) |
GdN3O9 |
Molecular Weight:433.341 Density:2.406 Boiling Point:N/A Melting Point:92℃ |
94219-55-3 |
magnesium nitrate hexahydrate |
H12MgN2O12 |
Molecular Weight:256.40600 Density:N/A Boiling Point:83ºC at 760 mmHg Melting Point:N/A |
10213-15-7 |
Glycidyl stearate |
C21H40O3 |
Molecular Weight:340.540 Density:0.9±0.1 g/cm3 Boiling Point:424.7±18.0 °C at 760 mmHg Melting Point:53ºC |
7460-84-6 |
N-ETHYL-N-METHYLANILINE |
C9H13N |
Molecular Weight:135.20600 Density:0.939g/cm3 Boiling Point:204ºC at 760 mmHg Melting Point:N/A |
613-97-8 |
6-CHLORO-N-ETHYLNICOTINAMIDE |
C8H9ClN2O |
Molecular Weight:184.62300 Density:1.218g/cm3 Boiling Point:354.7ºC at 760 mmHg Melting Point:N/A |
54864-84-5 |
6-Chloro-N4-ethylpyrimidine-4,5-diamine |
C6H9ClN4 |
Molecular Weight:172.61500 Density:N/A Boiling Point:N/A Melting Point:N/A |
98140-03-5 |
3-Hydrazinopyridinedihydrochloride |
C5H7N3 |
Molecular Weight:109.129 Density:1.2±0.1 g/cm3 Boiling Point:286.4±13.0 °C at 760 mmHg Melting Point:N/A |
42166-50-7 |
2-(furan-2-yl)-2-oxoacetaldehyde |
C6H4O3 |
Molecular Weight:124.09400 Density:1.227g/cm3 Boiling Point:168.7ºC at 760 mmHg Melting Point:N/A |
17090-71-0 |
Periplocymarin |
C30H46O8 |
Molecular Weight:534.68100 Density:1.27±0.1 g/cm3 (20 ºC 760 Torr) Boiling Point:690.9±55.0℃ at 760 mmHg Melting Point:209-211 ºC |
32476-67-8 |
4,8-Dimethyl-7-hydroxycoumarin |
C11H10O3 |
Molecular Weight:190.195 Density:1.3±0.1 g/cm3 Boiling Point:375.0±42.0 °C at 760 mmHg Melting Point:N/A |
4115-76-8 |
Diethyl 1,2-hydrazinedicarboxylate |
C6H12N2O4 |
Molecular Weight:176.171 Density:1.2±0.1 g/cm3 Boiling Point:250.0±9.0 °C at 760 mmHg Melting Point:131-133 °C(lit.) |
4114-28-7 |
1-chloro-4-[(4-fluorophenyl)sulfanylmethyl]benzene |
C13H10ClFS |
Molecular Weight:252.73500 Density:1.28g/cm3 Boiling Point:345.5ºC at 760 mmHg Melting Point:36ºC |
405-30-1 |
difluoromethanesulfonic acid |
CH2F2O3S |
Molecular Weight:132.08700 Density:1.764g/cm3 Boiling Point:N/A Melting Point:N/A |
40856-07-3 |
H-Pro-Arg-OH |
C11H21N5O3 |
Molecular Weight:271.32 Density:1.5g/cm3 Boiling Point:N/A Melting Point:N/A |
2418-74-8 |
1,2,3,4-Tetrahydro-1-acetylquinoline |
C11H13NO |
Molecular Weight:175.22700 Density:1.105g/cm3 Boiling Point:371.1ºC at 760mmHg Melting Point:N/A |
4169-19-1 |
BMS 191011 |
C16H10ClF3N2O3 |
Molecular Weight:370.71 Density:1.516g/cm3 Boiling Point:443.965ºC at 760 mmHg Melting Point:N/A |
202821-81-6 |
SU5416 |
C15H14N2O |
Molecular Weight:238.285 Density:1.3±0.1 g/cm3 Boiling Point:481.4±45.0 °C at 760 mmHg Melting Point:N/A |
204005-46-9 |
Melittin |
C131H229N39O31 |
Molecular Weight:2846.463 Density:1.4±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
20449-79-0 |
VX-745 |
C19H9Cl2F2N3OS |
Molecular Weight:436.262 Density:1.6±0.1 g/cm3 Boiling Point:578.9±60.0 °C at 760 mmHg Melting Point:N/A |
209410-46-8 |
JWH 018 |
C24H23NO |
Molecular Weight:341.445 Density:1.1±0.1 g/cm3 Boiling Point:534.2±23.0 °C at 760 mmHg Melting Point:55-59°C |
209414-07-3 |
CART (62-76) (human, rat) trifluoroacetate salt |
C64H99N17O23S3 |
Molecular Weight:1570.77000 Density:N/A Boiling Point:N/A Melting Point:N/A |
210978-19-1 |
PD 166285 dihydrochloride |
C26H28Cl3N5O2 |
Molecular Weight:548.89200 Density:N/A Boiling Point:N/A Melting Point:239-242?C |
212391-63-4 |
25-Hydroxycalciferol |
C28H44O2 |
Molecular Weight:412.648 Density:1.0±0.1 g/cm3 Boiling Point:542.3±38.0 °C at 760 mmHg Melting Point:45-51ºC |
21343-40-8 |
Pemoline |
C9H8N2O2 |
Molecular Weight:176.17200 Density:1.4g/cm3 Boiling Point:N/A Melting Point:243ºC |
2152-34-3 |
RWJ 67657 |
C27H24FN3O |
Molecular Weight:425.497 Density:1.1±0.1 g/cm3 Boiling Point:611.8±65.0 °C at 760 mmHg Melting Point:124℃ |
215303-72-3 |
CX546 |
C14H17NO3 |
Molecular Weight:247.29000 Density:1.215g/cm3 Boiling Point:422.8ºC at 760 mmHg Melting Point:N/A |
215923-54-9 |
PD173074 |
C28H41N7O3 |
Molecular Weight:523.670 Density:1.2±0.1 g/cm3 Boiling Point:N/A Melting Point:82-85°C |
219580-11-7 |
TRO 19622 |
C27H45NO |
Molecular Weight:399.65200 Density:1.1 Boiling Point:510ºC at 760mmHg Melting Point:145-148ºC |
22033-87-0 |
Antalarmin hydrochloride |
C24H35ClN4 |
Molecular Weight:415.014 Density:N/A Boiling Point:N/A Melting Point:N/A |
220953-69-5 |
1-Naphthyl PP1 |
C19H19N5 |
Molecular Weight:317.388 Density:1.3±0.1 g/cm3 Boiling Point:527.8±45.0 °C at 760 mmHg Melting Point:219-222ºC |
221243-82-9 |
PAR-4 (1-6) (human) trifluoroacetate salt |
C28H41N7O9 |
Molecular Weight:619.66700 Density:N/A Boiling Point:N/A Melting Point:N/A |
225779-44-2 |
Ki8751 |
C24H18F3N3O4 |
Molecular Weight:469.413 Density:1.4±0.1 g/cm3 Boiling Point:497.1±45.0 °C at 760 mmHg Melting Point:239℃ |
228559-41-9 |
UK 370106 |
C35H44N2O5 |
Molecular Weight:572.73400 Density:1.123g/cm3 Boiling Point:802.689ºC at 760 mmHg Melting Point:N/A |
230961-21-4 |
alpha-Amanitin |
C39H54N10O14S |
Molecular Weight:918.97000 Density:1.57 g/cm3 Boiling Point:1622.2ºC at 760 mmHg Melting Point:254-255ºC(lit.) |
23109-05-9 |
2-Palmitoylglycerol |
C19H38O4 |
Molecular Weight:330.50300 Density:0.969g/cm3 Boiling Point:460.6ºC at 760mmHg Melting Point:68-70°C |
23470-00-0 |
Tosedostat |
C21H30N2O6 |
Molecular Weight:406.473 Density:1.2±0.1 g/cm3 Boiling Point:N/A Melting Point:N/A |
238750-77-1 |
alfaxalone |
C21H32O3 |
Molecular Weight:332.47700 Density:1.112g/cm3 Boiling Point:468.1ºC at 760 mmHg Melting Point:172-174° |
23930-19-0 |
Fupentixol dihydrochloride |
C23H27Cl2F3N2OS |
Molecular Weight:507.440 Density:N/A Boiling Point:554.7ºC at 760 mmHg Melting Point:N/A |
2413-38-9 |
SLV 320 |
C18H20N4O |
Molecular Weight:308.37800 Density:N/A Boiling Point:N/A Melting Point:N/A |
251945-92-3 |
TSU-68 (SU6668, Orantinib) |
C18H18N2O3 |
Molecular Weight:310.347 Density:1.3±0.1 g/cm3 Boiling Point:590.5±50.0 °C at 760 mmHg Melting Point:N/A |
252916-29-3 |
Torcetrapib |
C26H25F9N2O4 |
Molecular Weight:600.47 Density:1.4±0.1 g/cm3 Boiling Point:504.8±50.0 °C at 760 mmHg Melting Point:54-58ºC |
262352-17-0 |
Cyclofenil |
C23H24O4 |
Molecular Weight:364.434 Density:1.2±0.1 g/cm3 Boiling Point:509.0±30.0 °C at 760 mmHg Melting Point:133-136°C |
2624-43-3 |