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 |
| Triphenylborane-triphenylphosphine (1:1) |
C36H30BP |
Molecular Weight:504.408
Density:N/A
Boiling Point:348ºC at 760 mmHg
Melting Point:N/A |
3053-68-7 |
| thallium(i) chloride |
ClTl |
Molecular Weight:239.83600
Density:7 g/mL at 25 °C(lit.)
Boiling Point:720 °C
Melting Point:430 °C(lit.) |
7791-12-0 |
| Benzoic acid,3,5-bis(phenylmethoxy)-, methyl ester |
C22H20O4 |
Molecular Weight:348.39200
Density:1.174g/cm3
Boiling Point:506.2ºC at 760 mmHg
Melting Point:67 °C |
58605-10-0 |
| 2-Methylcyclohexa-2,5-diene-1,4-dione |
C7H6O2 |
Molecular Weight:122.121
Density:1.2±0.1 g/cm3
Boiling Point:186.6±15.0 °C at 760 mmHg
Melting Point:66-67 °C(lit.) |
553-97-9 |
| sodium cholate |
C24H40NaO5 |
Molecular Weight:430.553
Density:N/A
Boiling Point:583.9ºC at 760 mmHg
Melting Point:198ºC |
361-09-1 |
| 1-Dodecanol |
C12H26O |
Molecular Weight:186.334
Density:0.8±0.1 g/cm3
Boiling Point:258.0±3.0 °C at 760 mmHg
Melting Point:22-26 °C(lit.) |
112-53-8 |
| Fluoxetine Hydrochloride |
C17H19ClF3NO |
Molecular Weight:345.787
Density:1.254g/cm3
Boiling Point:569.2ºC at 760 mmHg
Melting Point:158.4-158.9ºC |
59333-67-4 |
| 2-methyloct-5-yn-4-ol |
C9H16O |
Molecular Weight:140.22300
Density:0.855
Boiling Point:171.8ºC at 760 mmHg
Melting Point:N/A |
60657-70-7 |
| 10,12-octadecadiynoic acid |
C18H28O2 |
Molecular Weight:276.41400
Density:0.963 g/cm3
Boiling Point:437.1ºC at 760 mmHg
Melting Point:40-42ºC |
7333-25-7 |
| (2H10)Biphenyl |
C12D10 |
Molecular Weight:164.269
Density:1.0±0.1 g/cm3
Boiling Point:258.0±7.0 °C at 760 mmHg
Melting Point:70-72ºC(lit.) |
1486-01-7 |
| 6-methylchroman-4-one |
C10H10O2 |
Molecular Weight:162.185
Density:1.2±0.1 g/cm3
Boiling Point:303.1±42.0 °C at 760 mmHg
Melting Point:31-35 °C(lit.) |
39513-75-2 |
| 3,3',4,4'-tetrachlorodiphenyl sulfone |
C12H6Cl4O2S |
Molecular Weight:356.05200
Density:1.578g/cm3
Boiling Point:492.9ºC at 760mmHg
Melting Point:N/A |
22588-79-0 |
| 2-methylbenzoxazole |
C8H7NO |
Molecular Weight:133.14700
Density:1.121 g/mL at 25 °C(lit.)
Boiling Point:178 °C(lit.)
Melting Point:5-10 °C(lit.) |
95-21-6 |
| 2-Amino-3,5-dibromo-6-picoline |
C6H6Br2N2 |
Molecular Weight:265.933
Density:2.0±0.1 g/cm3
Boiling Point:261.6±35.0 °C at 760 mmHg
Melting Point:143.5-148.5 °C(lit.) |
91872-10-5 |
| Phosphonium,[(2-methylphenyl)methyl]triphenyl-, bromide |
C26H24BrP |
Molecular Weight:447.34700
Density:N/A
Boiling Point:N/A
Melting Point:265ºC |
1530-36-5 |
| tricyclo(5.2.1.02,6)dec-3-enyl acetate |
C12H14O2 |
Molecular Weight:190.23800
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
54830-99-8 |
| Icosane |
C20H42 |
Molecular Weight:282.547
Density:0.8±0.1 g/cm3
Boiling Point:343.4±5.0 °C at 760 mmHg
Melting Point:35-37 °C(lit.) |
112-95-8 |
| 1-Isopropyl-4-methyl-7-oxabicyclo[2.2.1]heptane |
C10H18O |
Molecular Weight:154.249
Density:1.0±0.1 g/cm3
Boiling Point:173.5±8.0 °C at 760 mmHg
Melting Point:−46 °C(lit.) |
470-67-7 |
| 2-Ethoxyethyl cyanoacetate |
C7H11NO3 |
Molecular Weight:157.16700
Density:1.066 g/cm3
Boiling Point:277.2ºC at 760 mmHg
Melting Point:N/A |
32804-77-6 |
| Bis(2,6-diisopropylphenyl)carbodiimide |
C25H34N2 |
Molecular Weight:362.551
Density:1.0±0.1 g/cm3
Boiling Point:477.7±45.0 °C at 760 mmHg
Melting Point:49 - 51ºC |
2162-74-5 |
| 2-Methylthio pyrazine |
C5H6N2S |
Molecular Weight:126.179
Density:1.2±0.1 g/cm3
Boiling Point:221.2±20.0 °C at 760 mmHg
Melting Point:44 °C |
21948-70-9 |
| (z)-ethyl-4,5-o-isopropylidene-(s)-4,5-dihydroxy-2-pentenoate |
C10H16O4 |
Molecular Weight:200.23200
Density:1.102g/cm3
Boiling Point:241ºC at 760mmHg
Melting Point:N/A |
91926-90-8 |
| Lithium lactate |
C3H5LiO3 |
Molecular Weight:96.011
Density:1.0391
Boiling Point:227.6ºC at 760 mmHg
Melting Point:>300 °C(lit.) |
867-55-0 |
| (6-Butyl-5-decen-5-yl)-λ2-stannane |
C14H30Sn |
Molecular Weight:315.082
Density:1.085 g/mL at 25 °C(lit.)
Boiling Point:104-106 °C3.5 mm Hg(lit.)
Melting Point:<0ºC |
7486-35-3 |
| 4,4'-Bis(bromomethyl)biphenyl |
C14H12Br2 |
Molecular Weight:340.053
Density:1.6±0.1 g/cm3
Boiling Point:399.8±37.0 °C at 760 mmHg
Melting Point:171°C |
20248-86-6 |
| Ethanol, 2-(p-tolylsulfonyl)- |
C9H12O3S |
Molecular Weight:200.255
Density:1.2±0.1 g/cm3
Boiling Point:395.6±42.0 °C at 760 mmHg
Melting Point:52-57 °C |
22381-54-0 |
| 4,4'-Methylenebis(2,6-dimethylphenol) |
C17H20O2 |
Molecular Weight:256.340
Density:1.1±0.1 g/cm3
Boiling Point:414.7±40.0 °C at 760 mmHg
Melting Point:176ºC |
5384-21-4 |
| 1,2,4-BENZENETRIMETHANOL |
C9H12O3 |
Molecular Weight:168.19000
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
25147-76-6 |
| 6-Hexanolactone |
C6H10O2 |
Molecular Weight:114.142
Density:1.0±0.1 g/cm3
Boiling Point:225.4±8.0 °C at 760 mmHg
Melting Point:-1 °C |
502-44-3 |
| 4-tert-butyl-3,5-dimethyl-1h-pyrrole-2-carboxylic acid ethyl ester |
C13H21NO2 |
Molecular Weight:223.31100
Density:1.009g/cm3
Boiling Point:320.051ºC at 760 mmHg
Melting Point:~220 °C |
28991-95-9 |
| Trioxsalen |
C14H12O3 |
Molecular Weight:228.243
Density:1.2±0.1 g/cm3
Boiling Point:389.0±30.0 °C at 760 mmHg
Melting Point:229-231ºC(lit.) |
3902-71-4 |
| Lead titanate |
O3PbTi |
Molecular Weight:303.06500
Density:7.52 g/mL at 25 °C(lit.)
Boiling Point:N/A
Melting Point:N/A |
12060-00-3 |
| prohexadione |
C10H12O5 |
Molecular Weight:212.19900
Density:1.33 g/cm3
Boiling Point:454.9ºC at 760 mmHg
Melting Point:N/A |
88805-35-0 |
| Potassium antimonate(V) |
H6KO6Sb |
Molecular Weight:262.902
Density:N/A
Boiling Point:100ºC at 760 mmHg
Melting Point:240 °C (dec.)(lit.) |
12208-13-8 |
| L-Histidine hydrochloride monohydrate |
C6H12ClN3O3 |
Molecular Weight:209.631
Density:1.485 g/cm3
Boiling Point:458.9ºC at 760 mmHg
Melting Point:254 °C (dec.)(lit.) |
5934-29-2 |
| Dibenzoyl Thiamine |
C26H26N4O4S |
Molecular Weight:490.57400
Density:1.291g/cm3
Boiling Point:718.2ºC at 760mmHg
Melting Point:173ºC |
299-88-7 |
| Cerium(III) sulfate n-hydrate |
H2Ce2O13S3 |
Molecular Weight:586.435
Density:2.89 g/mL at 25 °C(lit.)
Boiling Point:N/A
Melting Point:N/A |
13550-47-5 |
| 1H-Indole-3-aceticacid, 1-methyl-, ethyl ester |
C13H15NO2 |
Molecular Weight:217.26400
Density:1.09g/cm3
Boiling Point:346.6ºC at 760mmHg
Melting Point:N/A |
56999-62-3 |
| ethyl 2-chloroethylcarbamate |
C5H10ClNO2 |
Molecular Weight:151.59100
Density:1.124 g/cm3
Boiling Point:225.9ºC at 760 mmHg
Melting Point:N/A |
6329-26-6 |
| 3,4-dimethylphenyl isocyanate |
C9H9NO |
Molecular Weight:147.17400
Density:1.051
Boiling Point:85ºC2 mm Hg(lit.)
Melting Point:N/A |
51163-27-0 |
| Rhodium (III) acetylacetonate |
C15H21O6Rh |
Molecular Weight:400.229
Density:N/A
Boiling Point:>280°C
Melting Point:263-264 °C(lit.) |
14284-92-5 |
| 4'-Propoxy-4-biphenylcarbonitrile |
C16H15NO |
Molecular Weight:237.296
Density:1.1±0.1 g/cm3
Boiling Point:393.1±35.0 °C at 760 mmHg
Melting Point:168-169 °C(lit.) |
52709-86-1 |
| Tributylphosphine |
C12H27P |
Molecular Weight:202.316
Density:0.81 g/mL at 25 °C(lit.)
Boiling Point:244.8±0.0 °C at 760 mmHg
Melting Point:-65 °C |
998-40-3 |
| N-ethylglucamine |
C8H19NO5 |
Molecular Weight:209.240
Density:1.3±0.1 g/cm3
Boiling Point:489.8±45.0 °C at 760 mmHg
Melting Point:136-140 °C |
14216-22-9 |
| a-D-Xylofuranose,1,2-O-(1-methylethylidene)-, 5-(methyl carbonate) (9CI) |
C10H16O7 |
Molecular Weight:248.23000
Density:1.27 g/cm3
Boiling Point:353.7ºC at 760 mmHg
Melting Point:N/A |
5432-33-7 |
| Cresol Red |
C21H17NaO5S |
Molecular Weight:403.404
Density:1.404g/cm3
Boiling Point:561.9ºC at 760 mmHg
Melting Point:250 °C (dec.)(lit.) |
62625-29-0 |
| 8-Chloroquinoline |
C9H6ClN |
Molecular Weight:163.604
Density:1.3±0.1 g/cm3
Boiling Point:288.5±0.0 °C at 760 mmHg
Melting Point:-20 °C |
611-33-6 |
| 3-[(dimethylamino)methyl]imidazo[1,2-a]pyridine |
C10H13N3 |
Molecular Weight:175.23000
Density:N/A
Boiling Point:N/A
Melting Point:N/A |
2717-95-5 |
| 2-pyrimidinepropanoic acid, a-methyl- |
C8H10N2O2 |
Molecular Weight:166.177
Density:1.2±0.1 g/cm3
Boiling Point:305.0±25.0 °C at 760 mmHg
Melting Point:N/A |
819850-14-1 |
| Moroctic acid |
C18H28O2 |
Molecular Weight:276.414
Density:0.9±0.1 g/cm3
Boiling Point:412.8±24.0 °C at 760 mmHg
Melting Point:N/A |
20290-75-9 |