Alkyl Halides
Filtered Search Results
2-(Bromomethyl)-1,3-benzothiazole, 95%, Thermo Scientific™
CAS: 106086-78-6 Molecular Formula: C8H6BrNS Molecular Weight (g/mol): 228.107 InChI Key: WFLCAOGKZQTOIG-UHFFFAOYSA-N Synonym: 2-bromomethyl-1,3-benzothiazole,2-bromomethyl benzo d thiazole,2-bromomethyl benzothiazole,benzothiazole, 2-bromomethyl,benzo d thiazol-2-yl methyl bromide,zlchem 58,pubchem3912,acmc-1bpju,2-bromomethylbenzothiazole PubChem CID: 2776258 IUPAC Name: 2-(bromomethyl)-1,3-benzothiazole SMILES: C1=CC=C2C(=C1)N=C(S2)CBr
| PubChem CID | 2776258 |
|---|---|
| CAS | 106086-78-6 |
| Molecular Weight (g/mol) | 228.107 |
| SMILES | C1=CC=C2C(=C1)N=C(S2)CBr |
| Synonym | 2-bromomethyl-1,3-benzothiazole,2-bromomethyl benzo d thiazole,2-bromomethyl benzothiazole,benzothiazole, 2-bromomethyl,benzo d thiazol-2-yl methyl bromide,zlchem 58,pubchem3912,acmc-1bpju,2-bromomethylbenzothiazole |
| IUPAC Name | 2-(bromomethyl)-1,3-benzothiazole |
| InChI Key | WFLCAOGKZQTOIG-UHFFFAOYSA-N |
| Molecular Formula | C8H6BrNS |
1H,1H,2H,2H-Perfluorooctanol, 97%
CAS: 647-42-7 Molecular Formula: C8H5F13O Molecular Weight (g/mol): 364.106 MDL Number: MFCD00042143 InChI Key: GRJRKPMIRMSBNK-UHFFFAOYSA-N Synonym: 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-octanol,2-perfluorohexyl ethanol,1h,1h,2h,2h-perfluorooctan-1-ol,1h,1h,2h,2h-perfluorooctanol,1h,1h,2h,2h-perfluoro-1-octanol,unii-g2r5yo5n3v,1-octanol, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro,1h,1h,2h,2h-tridecafluoro-1-n-octanol,g2r5yo5n3v,1,1,2,2-tetrahydroperfluoro-1-octanol PubChem CID: 69537 IUPAC Name: 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctan-1-ol SMILES: C(CO)C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F
| PubChem CID | 69537 |
|---|---|
| CAS | 647-42-7 |
| Molecular Weight (g/mol) | 364.106 |
| MDL Number | MFCD00042143 |
| SMILES | C(CO)C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F |
| Synonym | 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro-1-octanol,2-perfluorohexyl ethanol,1h,1h,2h,2h-perfluorooctan-1-ol,1h,1h,2h,2h-perfluorooctanol,1h,1h,2h,2h-perfluoro-1-octanol,unii-g2r5yo5n3v,1-octanol, 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluoro,1h,1h,2h,2h-tridecafluoro-1-n-octanol,g2r5yo5n3v,1,1,2,2-tetrahydroperfluoro-1-octanol |
| IUPAC Name | 3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctan-1-ol |
| InChI Key | GRJRKPMIRMSBNK-UHFFFAOYSA-N |
| Molecular Formula | C8H5F13O |
1,2-Dibromobutane, 98%
CAS: 533-98-2 Molecular Formula: C4H8Br2 Molecular Weight (g/mol): 215.92 MDL Number: MFCD00000157 InChI Key: CZWSZZHGSNZRMW-UHFFFAOYNA-N Synonym: butane, 1,2-dibromo,.alpha.-butylene dibromide,alpha-butylene dibromide,1,2-dibomobutane,1,2 dibromobutane,butane,2-dibromo,1,2-dibromo-butane,alpha-butylene bromide,1,2-butylene bromide,.alpha.-butylene bromide PubChem CID: 10792 IUPAC Name: 1,2-dibromobutane SMILES: CCC(Br)CBr
| PubChem CID | 10792 |
|---|---|
| CAS | 533-98-2 |
| Molecular Weight (g/mol) | 215.92 |
| MDL Number | MFCD00000157 |
| SMILES | CCC(Br)CBr |
| Synonym | butane, 1,2-dibromo,.alpha.-butylene dibromide,alpha-butylene dibromide,1,2-dibomobutane,1,2 dibromobutane,butane,2-dibromo,1,2-dibromo-butane,alpha-butylene bromide,1,2-butylene bromide,.alpha.-butylene bromide |
| IUPAC Name | 1,2-dibromobutane |
| InChI Key | CZWSZZHGSNZRMW-UHFFFAOYNA-N |
| Molecular Formula | C4H8Br2 |
1,3-Dibromo-3-methylbutane, 98%
CAS: 24443-15-0 Molecular Formula: C5H10Br2 Molecular Weight (g/mol): 229.94 MDL Number: MFCD00060773 InChI Key: XMJFMQSXQQUJTQ-UHFFFAOYSA-N Synonym: butane, 1,3-dibromo-3-methyl,acmc-20ap4g,2,4-dibromo-2-methylbutane PubChem CID: 141113 IUPAC Name: 1,3-dibromo-3-methylbutane SMILES: CC(C)(Br)CCBr
| PubChem CID | 141113 |
|---|---|
| CAS | 24443-15-0 |
| Molecular Weight (g/mol) | 229.94 |
| MDL Number | MFCD00060773 |
| SMILES | CC(C)(Br)CCBr |
| Synonym | butane, 1,3-dibromo-3-methyl,acmc-20ap4g,2,4-dibromo-2-methylbutane |
| IUPAC Name | 1,3-dibromo-3-methylbutane |
| InChI Key | XMJFMQSXQQUJTQ-UHFFFAOYSA-N |
| Molecular Formula | C5H10Br2 |
1,5-Dibromo-3-methylpentane, 98+%
CAS: 4457-72-1 Molecular Formula: C6H12Br2 Molecular Weight (g/mol): 243.97 MDL Number: MFCD00039200 InChI Key: YDPZWUMQKMLLHC-UHFFFAOYSA-N Synonym: 3-methyl-1,5-dibromopentane,1,5-dibromo-3-methyl-pentane,pentane, 1,5-dibromo-3-methyl,acmc-20ap1m,pentane,1,5-dibromo-3-methyl,1,5-dibromo-3-methylpentane 5g PubChem CID: 138258 IUPAC Name: 1,5-dibromo-3-methylpentane SMILES: CC(CCBr)CCBr
| PubChem CID | 138258 |
|---|---|
| CAS | 4457-72-1 |
| Molecular Weight (g/mol) | 243.97 |
| MDL Number | MFCD00039200 |
| SMILES | CC(CCBr)CCBr |
| Synonym | 3-methyl-1,5-dibromopentane,1,5-dibromo-3-methyl-pentane,pentane, 1,5-dibromo-3-methyl,acmc-20ap1m,pentane,1,5-dibromo-3-methyl,1,5-dibromo-3-methylpentane 5g |
| IUPAC Name | 1,5-dibromo-3-methylpentane |
| InChI Key | YDPZWUMQKMLLHC-UHFFFAOYSA-N |
| Molecular Formula | C6H12Br2 |
1H,1H,2H,2H-Perfluoro-1-decanol, 97%, Thermo Scientific™
CAS: 678-39-7 Molecular Formula: C10H5F17O Molecular Weight (g/mol): 464.122 MDL Number: MFCD00039544 InChI Key: JJUBFBTUBACDHW-UHFFFAOYSA-N Synonym: 1h,1h,2h,2h-perfluoro-1-decanol,1h,1h,2h,2h-perfluorodecanol,2-perfluoro-n-octyl ethanol,1,1,2,2-tetrahydroperfluoro-1-decanol,2-perfluorooctyl ethanol,8:2 fluorotelomer alcohol,1h,1h,2h,2h-perfluorodecan-1-ol,8:2 ftoh,unii-um7l66ofe1,1-decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro PubChem CID: 69619 ChEBI: CHEBI:63919 IUPAC Name: 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecan-1-ol SMILES: C(CO)C(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F
| PubChem CID | 69619 |
|---|---|
| CAS | 678-39-7 |
| Molecular Weight (g/mol) | 464.122 |
| ChEBI | CHEBI:63919 |
| MDL Number | MFCD00039544 |
| SMILES | C(CO)C(C(C(C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F)(F)F |
| Synonym | 1h,1h,2h,2h-perfluoro-1-decanol,1h,1h,2h,2h-perfluorodecanol,2-perfluoro-n-octyl ethanol,1,1,2,2-tetrahydroperfluoro-1-decanol,2-perfluorooctyl ethanol,8:2 fluorotelomer alcohol,1h,1h,2h,2h-perfluorodecan-1-ol,8:2 ftoh,unii-um7l66ofe1,1-decanol, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluoro |
| IUPAC Name | 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heptadecafluorodecan-1-ol |
| InChI Key | JJUBFBTUBACDHW-UHFFFAOYSA-N |
| Molecular Formula | C10H5F17O |
1,12-Dibromododecane, 98%
CAS: 3344-70-5 Molecular Formula: C12H24Br2 Molecular Weight (g/mol): 328.132 MDL Number: MFCD00000226 InChI Key: ZJJATABWMGVVRZ-UHFFFAOYSA-N Synonym: dodecamethylene dibromide,dodecane, 1,12-dibromo,alpha,omega-dibromododecane,labotest-bb ltbb002671,pubchem3879,1, 12-dibromododecane,1,12-dibromo-dodecane,1,12-bis bromanyl dodecane,4-01-00-00503 beilstein handbook reference,ksc225m2h PubChem CID: 18766 IUPAC Name: 1,12-dibromododecane SMILES: C(CCCCCCBr)CCCCCBr
| PubChem CID | 18766 |
|---|---|
| CAS | 3344-70-5 |
| Molecular Weight (g/mol) | 328.132 |
| MDL Number | MFCD00000226 |
| SMILES | C(CCCCCCBr)CCCCCBr |
| Synonym | dodecamethylene dibromide,dodecane, 1,12-dibromo,alpha,omega-dibromododecane,labotest-bb ltbb002671,pubchem3879,1, 12-dibromododecane,1,12-dibromo-dodecane,1,12-bis bromanyl dodecane,4-01-00-00503 beilstein handbook reference,ksc225m2h |
| IUPAC Name | 1,12-dibromododecane |
| InChI Key | ZJJATABWMGVVRZ-UHFFFAOYSA-N |
| Molecular Formula | C12H24Br2 |
Nonafluorobutanesulfonyl fluoride, 90+%
CAS: 375-72-4 Molecular Formula: C4F10O2S Molecular Weight (g/mol): 302.086 MDL Number: MFCD00007422 InChI Key: LUYQYZLEHLTPBH-UHFFFAOYSA-N Synonym: nonafluorobutanesulfonyl fluoride,perfluorobutanesulfonyl fluoride,perfluoro-1-butanesulfonyl fluoride,perfluorobutanesulfonylfluoride,perfluorobutylsulfonyl fluoride,nonafluorobutanesulphonyl fluoride,perfluoro n-butylsulfonyl fluoride,nonafluorobutane-1-sulfonyl fluoride,nonafluoro-1-butanesulfonyl fluoride,1-butanesulfonyl fluoride, 1,1,2,2,3,3,4,4,4-nonafluoro PubChem CID: 67814 IUPAC Name: 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonyl fluoride SMILES: C(C(C(F)(F)S(=O)(=O)F)(F)F)(C(F)(F)F)(F)F
| PubChem CID | 67814 |
|---|---|
| CAS | 375-72-4 |
| Molecular Weight (g/mol) | 302.086 |
| MDL Number | MFCD00007422 |
| SMILES | C(C(C(F)(F)S(=O)(=O)F)(F)F)(C(F)(F)F)(F)F |
| Synonym | nonafluorobutanesulfonyl fluoride,perfluorobutanesulfonyl fluoride,perfluoro-1-butanesulfonyl fluoride,perfluorobutanesulfonylfluoride,perfluorobutylsulfonyl fluoride,nonafluorobutanesulphonyl fluoride,perfluoro n-butylsulfonyl fluoride,nonafluorobutane-1-sulfonyl fluoride,nonafluoro-1-butanesulfonyl fluoride,1-butanesulfonyl fluoride, 1,1,2,2,3,3,4,4,4-nonafluoro |
| IUPAC Name | 1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonyl fluoride |
| InChI Key | LUYQYZLEHLTPBH-UHFFFAOYSA-N |
| Molecular Formula | C4F10O2S |
11-Bromo-1-undecene, 90+%
CAS: 7766-50-9 Molecular Formula: C11H21Br Molecular Weight (g/mol): 233.193 MDL Number: MFCD00040825 InChI Key: YPLVPFUSXYSHJD-UHFFFAOYSA-N Synonym: 11-bromo-1-undecene,10-undecenyl bromide,1-bromo-10-undecene,undec-10-enyl bromide,11-bromo-undec-1-ene,1-undecene, 11-bromo,11-bromoundecene,undecylenyl bromide,n-undecylenic bromide,w-undecylenyl bromide PubChem CID: 284148 IUPAC Name: 11-bromoundec-1-ene SMILES: C=CCCCCCCCCCBr
| PubChem CID | 284148 |
|---|---|
| CAS | 7766-50-9 |
| Molecular Weight (g/mol) | 233.193 |
| MDL Number | MFCD00040825 |
| SMILES | C=CCCCCCCCCCBr |
| Synonym | 11-bromo-1-undecene,10-undecenyl bromide,1-bromo-10-undecene,undec-10-enyl bromide,11-bromo-undec-1-ene,1-undecene, 11-bromo,11-bromoundecene,undecylenyl bromide,n-undecylenic bromide,w-undecylenyl bromide |
| IUPAC Name | 11-bromoundec-1-ene |
| InChI Key | YPLVPFUSXYSHJD-UHFFFAOYSA-N |
| Molecular Formula | C11H21Br |
Perfluorodecanoic acid, 97%
CAS: 335-76-2 Molecular Formula: C10HF19O2 Molecular Weight (g/mol): 514.09 MDL Number: MFCD00004175 InChI Key: PCIUEQPBYFRTEM-UHFFFAOYSA-N Synonym: perfluorodecanoic acid,nonadecafluorodecanoic acid,ndfda,pfda,perfluoro-n-decanoic acid,nonadecafluoro-n-decanoic acid,decanoic acid, nonadecafluoro,ccris 4417,decanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-nonadecafluoro,perfluorocapric acid PubChem CID: 9555 ChEBI: CHEBI:35546 IUPAC Name: 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-nonadecafluorodecanoic acid SMILES: OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F
| PubChem CID | 9555 |
|---|---|
| CAS | 335-76-2 |
| Molecular Weight (g/mol) | 514.09 |
| ChEBI | CHEBI:35546 |
| MDL Number | MFCD00004175 |
| SMILES | OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F |
| Synonym | perfluorodecanoic acid,nonadecafluorodecanoic acid,ndfda,pfda,perfluoro-n-decanoic acid,nonadecafluoro-n-decanoic acid,decanoic acid, nonadecafluoro,ccris 4417,decanoic acid, 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-nonadecafluoro,perfluorocapric acid |
| IUPAC Name | 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-nonadecafluorodecanoic acid |
| InChI Key | PCIUEQPBYFRTEM-UHFFFAOYSA-N |
| Molecular Formula | C10HF19O2 |
Bromocycloheptane, 97%
CAS: 2404-35-5 Molecular Formula: C7H13Br Molecular Weight (g/mol): 177.09 MDL Number: MFCD00004149 InChI Key: LOXORFRCPXUORP-UHFFFAOYSA-N Synonym: cycloheptane, bromo,cycloheptyl bromide,cycloheptylbromide,bromocyclo-heptane,2-bromocycloheptane,bromocycloheptane,acmc-209g8c PubChem CID: 16992 IUPAC Name: bromocycloheptane SMILES: BrC1CCCCCC1
| PubChem CID | 16992 |
|---|---|
| CAS | 2404-35-5 |
| Molecular Weight (g/mol) | 177.09 |
| MDL Number | MFCD00004149 |
| SMILES | BrC1CCCCCC1 |
| Synonym | cycloheptane, bromo,cycloheptyl bromide,cycloheptylbromide,bromocyclo-heptane,2-bromocycloheptane,bromocycloheptane,acmc-209g8c |
| IUPAC Name | bromocycloheptane |
| InChI Key | LOXORFRCPXUORP-UHFFFAOYSA-N |
| Molecular Formula | C7H13Br |
Perfluoro(methylcyclohexane), 94%, Thermo Scientific Chemicals
CAS: 355-02-2 Molecular Formula: C7F14 Molecular Weight (g/mol): 350.06 MDL Number: MFCD00001468 InChI Key: QIROQPWSJUXOJC-UHFFFAOYSA-N Synonym: perfluoro methylcyclohexane,perfluoromethylcyclohexane,flutec pp2,undecafluoro trifluoromethyl cyclohexane,tetradecafluoromethylcyclohexane,cyclohexane, undecafluoro trifluoromethyl,unii-vj9772yw63,1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-trifluoromethyl cyclohexane,cyclohexane, 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-trifluoromethyl,perfluoro methylcyclohexane , pmch PubChem CID: 9637 IUPAC Name: 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-(trifluoromethyl)cyclohexane SMILES: FC(F)(F)C1(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F
| PubChem CID | 9637 |
|---|---|
| CAS | 355-02-2 |
| Molecular Weight (g/mol) | 350.06 |
| MDL Number | MFCD00001468 |
| SMILES | FC(F)(F)C1(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)F |
| Synonym | perfluoro methylcyclohexane,perfluoromethylcyclohexane,flutec pp2,undecafluoro trifluoromethyl cyclohexane,tetradecafluoromethylcyclohexane,cyclohexane, undecafluoro trifluoromethyl,unii-vj9772yw63,1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-trifluoromethyl cyclohexane,cyclohexane, 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-trifluoromethyl,perfluoro methylcyclohexane , pmch |
| IUPAC Name | 1,1,2,2,3,3,4,4,5,5,6-undecafluoro-6-(trifluoromethyl)cyclohexane |
| InChI Key | QIROQPWSJUXOJC-UHFFFAOYSA-N |
| Molecular Formula | C7F14 |
1-Bromoundecane, 98%
CAS: 693-67-4 Molecular Formula: C11H23Br Molecular Weight (g/mol): 235.209 MDL Number: MFCD00000223 InChI Key: IKPSIIAXIDAQLG-UHFFFAOYSA-N Synonym: undecyl bromide,undecane, 1-bromo,hendecyl bromide,n-undecyl bromide,bromoundecane,1-bromo-undecane,n-undecyl-1-bromide,labotest-bb ltbb001165,undecylbromide,1-bromanylundecane PubChem CID: 12744 IUPAC Name: 1-bromoundecane SMILES: CCCCCCCCCCCBr
| PubChem CID | 12744 |
|---|---|
| CAS | 693-67-4 |
| Molecular Weight (g/mol) | 235.209 |
| MDL Number | MFCD00000223 |
| SMILES | CCCCCCCCCCCBr |
| Synonym | undecyl bromide,undecane, 1-bromo,hendecyl bromide,n-undecyl bromide,bromoundecane,1-bromo-undecane,n-undecyl-1-bromide,labotest-bb ltbb001165,undecylbromide,1-bromanylundecane |
| IUPAC Name | 1-bromoundecane |
| InChI Key | IKPSIIAXIDAQLG-UHFFFAOYSA-N |
| Molecular Formula | C11H23Br |
1-Bromo-3-methylbutane, 98%
CAS: 107-82-4 Molecular Formula: C5H11Br Molecular Weight (g/mol): 151.05 MDL Number: MFCD00000253 InChI Key: YXZFFTJAHVMMLF-UHFFFAOYSA-N Synonym: isoamyl bromide,isopentyl bromide,butane, 1-bromo-3-methyl,3-methylbutyl bromide,4-bromo-2-methylbutane,isobutylmethyl bromide,isopentylbromide,1-bromo-3-methyl-butane,iso-pentyl bromide,unii-czm50594qa PubChem CID: 7891 IUPAC Name: 1-bromo-3-methylbutane SMILES: CC(C)CCBr
| PubChem CID | 7891 |
|---|---|
| CAS | 107-82-4 |
| Molecular Weight (g/mol) | 151.05 |
| MDL Number | MFCD00000253 |
| SMILES | CC(C)CCBr |
| Synonym | isoamyl bromide,isopentyl bromide,butane, 1-bromo-3-methyl,3-methylbutyl bromide,4-bromo-2-methylbutane,isobutylmethyl bromide,isopentylbromide,1-bromo-3-methyl-butane,iso-pentyl bromide,unii-czm50594qa |
| IUPAC Name | 1-bromo-3-methylbutane |
| InChI Key | YXZFFTJAHVMMLF-UHFFFAOYSA-N |
| Molecular Formula | C5H11Br |
1,3-Dibromopropane, 98%
CAS: 109-64-8 Molecular Formula: C3H6Br2 Molecular Weight (g/mol): 201.89 MDL Number: MFCD00000255 InChI Key: VEFLKXRACNJHOV-UHFFFAOYSA-N Synonym: trimethylene bromide,trimethylene dibromide,propane, 1,3-dibromo,alpha,gamma-dibromopropane,unii-yqr3048ix9,ccris 6711,.alpha.,.gamma.-dibromopropane,1,3-dibromo propane,1,3-dibromo-propane,.omega.,.omega.'-dibromopropane PubChem CID: 8001 IUPAC Name: 1,3-dibromopropane SMILES: BrCCCBr
| PubChem CID | 8001 |
|---|---|
| CAS | 109-64-8 |
| Molecular Weight (g/mol) | 201.89 |
| MDL Number | MFCD00000255 |
| SMILES | BrCCCBr |
| Synonym | trimethylene bromide,trimethylene dibromide,propane, 1,3-dibromo,alpha,gamma-dibromopropane,unii-yqr3048ix9,ccris 6711,.alpha.,.gamma.-dibromopropane,1,3-dibromo propane,1,3-dibromo-propane,.omega.,.omega.'-dibromopropane |
| IUPAC Name | 1,3-dibromopropane |
| InChI Key | VEFLKXRACNJHOV-UHFFFAOYSA-N |
| Molecular Formula | C3H6Br2 |