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-(4-methylpiperazin-1-yl)pyrimidin-5-yl]boronic acid |
C9H15BN4O2 |
Molecular Weight:222.05200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-29-9 |
(5-Fluoro-2-formylphenyl)boronic acid |
C7H6BFO3 |
Molecular Weight:167.930 Density:1.3±0.1 g/cm3 Boiling Point:365.2±52.0 °C at 760 mmHg Melting Point:137-140°C |
1256355-30-2 |
2-(Pyridin-2-ylmethoxy)phenylboronic acid |
C12H12BNO3 |
Molecular Weight:229.04000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-48-2 |
[2-(pyridin-4-ylmethoxy)phenyl]boronic acid |
C12H12BNO3 |
Molecular Weight:229.04000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-49-3 |
3-(Pyridin-2-ylmethoxy)phenylboronic acid |
C12H12BNO3 |
Molecular Weight:229.04000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-50-6 |
2-Chloro-6-(MethoxyMethoxy)phenylboronic acid |
C8H10BClO4 |
Molecular Weight:216.42700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-51-7 |
3-(2-Methoxy-2-oxoethoxy)phenylboronic acid |
C9H11BO5 |
Molecular Weight:209.99200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-55-1 |
4-Chloro-1h-indole-2-boronic acid |
C8H7BClNO2 |
Molecular Weight:195.41100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-59-5 |
4-Methoxyindole-2-boronic acid |
C9H10BNO3 |
Molecular Weight:190.99200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-60-8 |
(3-(BENZYLOXY)-5-METHYLPHENYL)BORONIC ACID |
C14H15BO3 |
Molecular Weight:242.07800 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-61-9 |
[2-[(4-cyanophenyl)methoxy]phenyl]boronic acid |
C14H12BNO3 |
Molecular Weight:253.06100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-66-4 |
(2-((3-Cyanobenzyl)oxy)phenyl)boronic acid |
C14H12BNO3 |
Molecular Weight:253.06100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-67-5 |
[4-[(2,6-dichlorophenyl)methoxy]phenyl]boronic acid |
C13H11BCl2O3 |
Molecular Weight:296.94200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-71-1 |
(4-((2,3-DIFLUOROBENZYL)OXY)PHENYL)BORONIC ACID |
C13H11BF2O3 |
Molecular Weight:264.03200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-76-6 |
2-(2-Cyanophenylmethoxy)phenylboronic acid |
C14H12BNO3 |
Molecular Weight:253.06100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-77-7 |
[2-[(2-chlorophenyl)methoxy]-5-fluorophenyl]boronic acid |
C13H11BClFO3 |
Molecular Weight:280.48700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-80-2 |
[2-[(3-fluorophenyl)methoxy]-5-methylphenyl]boronic acid |
C14H14BFO3 |
Molecular Weight:260.06900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-82-4 |
(2-((3-CHLOROBENZYL)OXY)-5-FLUOROPHENYL)BORONIC ACID |
C13H11BClFO3 |
Molecular Weight:280.48700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-83-5 |
[2-[(2,6-dichlorophenyl)methoxy]phenyl]boronic acid |
C13H11BCl2O3 |
Molecular Weight:296.94200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-85-7 |
(4-((2-CHLORO-4-FLUOROBENZYL)OXY)PHENYL)BORONIC ACID |
C13H11BClFO3 |
Molecular Weight:280.48700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256355-86-8 |
[4-[(3,4-dichlorophenyl)methoxy]phenyl]boronic acid |
C13H11BCl2O3 |
Molecular Weight:296.94200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-44-7 |
(3-((2,3-DIFLUOROBENZYL)OXY)PHENYL)BORONIC ACID |
C13H11BF2O3 |
Molecular Weight:264.03200 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-50-5 |
[2-[(2-fluorophenyl)methoxy]-5-methylphenyl]boronic acid |
C14H14BFO3 |
Molecular Weight:260.06900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-51-6 |
(2-((4-CHLOROBENZYL)OXY)-5-FLUOROPHENYL)BORONIC ACID |
C13H11BClFO3 |
Molecular Weight:280.48700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-54-9 |
2-(4-Trifluoromethylphenoxy)pyridine-5-boronic acid |
C12H9BF3NO3 |
Molecular Weight:283.01100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-58-3 |
(3-(Thiomorpholinomethyl)phenyl)boronic acid |
C11H16BNO2S |
Molecular Weight:237.12600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-59-4 |
4-(Thiomorpholin-4-ylmethyl)phenylboronic acid |
C11H16BNO2S |
Molecular Weight:237.12600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-60-7 |
(3-((CYCLOHEXYLOXY)METHYL)PHENYL)BORONIC ACID |
C13H19BO3 |
Molecular Weight:234.09900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-64-1 |
[3-fluoro-4-(thiophen-2-ylmethoxymethyl)phenyl]boronic acid |
C12H12BFO3S |
Molecular Weight:266.09600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-79-8 |
[3-(thiophen-2-ylmethoxymethyl)phenyl]boronic acid |
C12H13BO3S |
Molecular Weight:248.10600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-80-1 |
[2-(thiophen-2-ylmethoxymethyl)phenyl]boronic acid |
C12H13BO3S |
Molecular Weight:248.10600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-81-2 |
2-(Piperidin-1-yl)pyridin-4-ylboronic acid |
C10H15BN2O2 |
Molecular Weight:206.04900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-82-3 |
3'-(Methoxycarbonyl)biphenyl-4-boronic acid pinacol ester |
C20H23BO4 |
Molecular Weight:338.20500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-85-6 |
4-methoxy-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine |
C12H18BNO3 |
Molecular Weight:235.08700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-88-9 |
2-tert-butoxy-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine |
C15H24BNO3 |
Molecular Weight:277.16700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-89-0 |
5-Bromoindole-2-boronic acid, pinacol ester |
C14H17BBrNO2 |
Molecular Weight:322.00500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-92-5 |
5-Fluoro-1h-indole-2-boronic acid pinacol ester |
C14H17BFNO2 |
Molecular Weight:261.10000 Density:1.16±0.1 g/cm3(Predicted) Boiling Point:399.2±22.0 °C(Predicted) Melting Point:N/A |
1256358-94-7 |
4-Chloroindole-2-boronic acid, pinacol ester |
C14H17BClNO2 |
Molecular Weight:277.55400 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-95-8 |
5-Methoxycarbonylindole-2-boronic acid pinacol ester |
C16H20BNO4 |
Molecular Weight:301.14500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-96-9 |
4-Bromo-1H-indole-2-boronic acid pinacol ester |
C14H17BBrNO2 |
Molecular Weight:322.00500 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-97-0 |
6-Fluoro-1h-indole-2-boronic acid pinacol ester |
C14H17BFNO2 |
Molecular Weight:261.10000 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-98-1 |
6-Bromo-1-(tert-Butyl-dimethyl-silanyl)-1H-indole-3-boronic acid pinacol ester |
C20H31BBrNO2Si |
Molecular Weight:436.26600 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256358-99-2 |
4-(2-Chloro-ethoxy)-phenyl-4,4,5,5-tetramethyl-1,3,2dioxaborolane |
C14H20BClO3 |
Molecular Weight:282.57100 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256359-01-9 |
2-Chloro-4-fluoro-5-(4,4,5,5-tetramethyl-195 |
C11H14BClFNO2 |
Molecular Weight:257.49700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256359-04-2 |
1-methyl-6-(tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indazole |
C14H19BN2O2 |
Molecular Weight:258.12400 Density:N/A Boiling Point:385.0±15.0°C at 760 mmHg Melting Point:N/A |
1256359-09-7 |
4-Methyl-2-nitrophenylboronic acid, pinacol ester |
C13H18BNO4 |
Molecular Weight:263.09700 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256359-10-0 |
5-Cyanoindole-2-boronic acid, pinacol ester |
C15H17BN2O2 |
Molecular Weight:268.11900 Density:N/A Boiling Point:N/A Melting Point:N/A |
1256359-11-1 |
4-cyanopyridine-2-boronic acid pinacol ester |
C12H15BN2O2 |
Molecular Weight:230.07100 Density:1.10 Boiling Point:349℃ Melting Point:N/A |
1256359-18-8 |
6-Methoxycarbonylindole-2-boronic acid pinacol ester |
C16H20BNO4 |
Molecular Weight:301.14500 Density:N/A Boiling Point:457.9±25.0°C Melting Point:N/A |
1256359-21-3 |
Pinacol 2-ethoxy-6-trifluoromethylpyridine-4-borate |
C14H19BF3NO3 |
Molecular Weight:317.11200 Density:1.18±0.1 g/cm3 Boiling Point:348.3±42.0 °C at 760 mmHg Melting Point:N/A |
1256359-30-4 |