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Filtered Search Results

3-Chloro-2-fluorobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 351003-48-0 Molecular Formula: C6H3Cl2FO2S Molecular Weight (g/mol): 229.046 MDL Number: MFCD03094234 InChI Key: LIRQNYQIFFLGIE-UHFFFAOYSA-N Synonym: 3-chloro-2-fluorobenzenesulphonyl chloride,3-chloro-2-fluorobenzene-1-sulfonyl chloride,3-chloro-2-fluorobenzenesulphonylchloride,3-chloro-2-fluorophenylsulfonyl chloride,3-chloro-2-fluorobenzensulphonyl chloride,benzenesulfonyl chloride, 3-chloro-2-fluoro,pubchem8446,acmc-209vns,3-chloro-2-fluoro-benzenesulfonyl chloride,ksc222a3d PubChem CID: 2778321 IUPAC Name: 3-chloro-2-fluorobenzenesulfonyl chloride SMILES: C1=CC(=C(C(=C1)Cl)F)S(=O)(=O)Cl
PubChem CID | 2778321 |
---|---|
CAS | 351003-48-0 |
Molecular Weight (g/mol) | 229.046 |
MDL Number | MFCD03094234 |
SMILES | C1=CC(=C(C(=C1)Cl)F)S(=O)(=O)Cl |
Synonym | 3-chloro-2-fluorobenzenesulphonyl chloride,3-chloro-2-fluorobenzene-1-sulfonyl chloride,3-chloro-2-fluorobenzenesulphonylchloride,3-chloro-2-fluorophenylsulfonyl chloride,3-chloro-2-fluorobenzensulphonyl chloride,benzenesulfonyl chloride, 3-chloro-2-fluoro,pubchem8446,acmc-209vns,3-chloro-2-fluoro-benzenesulfonyl chloride,ksc222a3d |
IUPAC Name | 3-chloro-2-fluorobenzenesulfonyl chloride |
InChI Key | LIRQNYQIFFLGIE-UHFFFAOYSA-N |
Molecular Formula | C6H3Cl2FO2S |
4-Ethylbenzenesulfonyl Chloride 95.0+%, TCI America™
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CAS: 16712-69-9 Molecular Formula: C8H9ClO2S Molecular Weight (g/mol): 204.668 MDL Number: MFCD00041480 InChI Key: LACFLXDRFOQEFZ-UHFFFAOYSA-N Synonym: 4-ethylbenzene-1-sulfonyl chloride,p-ethylbenzenesulfonyl chloride,4-ethylbenzenesulphonyl chloride,4-ethyl-benzenesulfonyl chloride,ethylbenzenesulfonylchloride,4-ethylbenzenesulfonylchloride,chloro 4-ethylphenyl sulfone,pubchem5133,acmc-209dvn,4-ethylphenylsulfonyl chloride PubChem CID: 570959 IUPAC Name: 4-ethylbenzenesulfonyl chloride SMILES: CCC1=CC=C(C=C1)S(=O)(=O)Cl
PubChem CID | 570959 |
---|---|
CAS | 16712-69-9 |
Molecular Weight (g/mol) | 204.668 |
MDL Number | MFCD00041480 |
SMILES | CCC1=CC=C(C=C1)S(=O)(=O)Cl |
Synonym | 4-ethylbenzene-1-sulfonyl chloride,p-ethylbenzenesulfonyl chloride,4-ethylbenzenesulphonyl chloride,4-ethyl-benzenesulfonyl chloride,ethylbenzenesulfonylchloride,4-ethylbenzenesulfonylchloride,chloro 4-ethylphenyl sulfone,pubchem5133,acmc-209dvn,4-ethylphenylsulfonyl chloride |
IUPAC Name | 4-ethylbenzenesulfonyl chloride |
InChI Key | LACFLXDRFOQEFZ-UHFFFAOYSA-N |
Molecular Formula | C8H9ClO2S |
1-Propanesulfonyl Chloride 98.0+%, TCI America™
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CAS: 10147-36-1 Molecular Formula: C3H7ClO2S Molecular Weight (g/mol): 142.597 MDL Number: MFCD00007462 InChI Key: KPBSJEBFALFJTO-UHFFFAOYSA-N Synonym: 1-propanesulfonyl chloride,propanesulfonyl chloride,propanesulphonyl chloride,propylsulfonyl chloride,1-propanesulfonylchloride,n-propanesulfonyl chloride,1-propane sulfonyl chloride,chloropropylsulfone,n-prso2cl,propanesulfonylchloride PubChem CID: 66279 IUPAC Name: propane-1-sulfonyl chloride SMILES: CCCS(=O)(=O)Cl
PubChem CID | 66279 |
---|---|
CAS | 10147-36-1 |
Molecular Weight (g/mol) | 142.597 |
MDL Number | MFCD00007462 |
SMILES | CCCS(=O)(=O)Cl |
Synonym | 1-propanesulfonyl chloride,propanesulfonyl chloride,propanesulphonyl chloride,propylsulfonyl chloride,1-propanesulfonylchloride,n-propanesulfonyl chloride,1-propane sulfonyl chloride,chloropropylsulfone,n-prso2cl,propanesulfonylchloride |
IUPAC Name | propane-1-sulfonyl chloride |
InChI Key | KPBSJEBFALFJTO-UHFFFAOYSA-N |
Molecular Formula | C3H7ClO2S |
4-Propylbenzenesulfonyl Chloride 93.0+%, TCI America™
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CAS: 146949-07-7 Molecular Formula: C9H11ClO2S Molecular Weight (g/mol): 218.70 MDL Number: MFCD00041508 InChI Key: LEFGAGRZHLNPLS-UHFFFAOYSA-N Synonym: 4-n-propylbenzenesulfonyl chloride,4-propylbenzene-1-sulfonyl chloride,4-propyl-benzenesulfonylchloride,4-propyl-benzenesulfonyl chloride,benzenesulfonyl chloride, 4-propyl,p-propylbenzenesulfonyl chloride,4-n-propylbenzenesulfonylchloride,acmc-209cxt,4-propylphenylsulfonyl chloride,4-propylphenylsulphonyl chloride PubChem CID: 2737222 IUPAC Name: 4-propylbenzene-1-sulfonyl chloride SMILES: CCCC1=CC=C(C=C1)S(Cl)(=O)=O
PubChem CID | 2737222 |
---|---|
CAS | 146949-07-7 |
Molecular Weight (g/mol) | 218.70 |
MDL Number | MFCD00041508 |
SMILES | CCCC1=CC=C(C=C1)S(Cl)(=O)=O |
Synonym | 4-n-propylbenzenesulfonyl chloride,4-propylbenzene-1-sulfonyl chloride,4-propyl-benzenesulfonylchloride,4-propyl-benzenesulfonyl chloride,benzenesulfonyl chloride, 4-propyl,p-propylbenzenesulfonyl chloride,4-n-propylbenzenesulfonylchloride,acmc-209cxt,4-propylphenylsulfonyl chloride,4-propylphenylsulphonyl chloride |
IUPAC Name | 4-propylbenzene-1-sulfonyl chloride |
InChI Key | LEFGAGRZHLNPLS-UHFFFAOYSA-N |
Molecular Formula | C9H11ClO2S |
2,4,5-Trifluorobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 220227-21-4 Molecular Formula: C6H2ClF3O2S Molecular Weight (g/mol): 230.585 MDL Number: MFCD00077600 InChI Key: STCZWXXRRTWRSK-UHFFFAOYSA-N Synonym: 2,4,5-trifluorobenzene-1-sulfonyl chloride,2,4,5-trifluorobenzenesulphonyl chloride,2,4,5-trifluorophenyl sulfonyl chloride,2,4,5-trifluoro-benzenesulfonyl chloride,benzenesulfonyl chloride, 2,4,5-trifluoro,pubchem5179,acmc-209fqs,ksc201o4t,chloro 2,4,5-trifluorophenyl sulfone,2,4,5-trifluorophenylsulfonyl chloride PubChem CID: 2776979 IUPAC Name: 2,4,5-trifluorobenzenesulfonyl chloride SMILES: C1=C(C(=CC(=C1F)S(=O)(=O)Cl)F)F
PubChem CID | 2776979 |
---|---|
CAS | 220227-21-4 |
Molecular Weight (g/mol) | 230.585 |
MDL Number | MFCD00077600 |
SMILES | C1=C(C(=CC(=C1F)S(=O)(=O)Cl)F)F |
Synonym | 2,4,5-trifluorobenzene-1-sulfonyl chloride,2,4,5-trifluorobenzenesulphonyl chloride,2,4,5-trifluorophenyl sulfonyl chloride,2,4,5-trifluoro-benzenesulfonyl chloride,benzenesulfonyl chloride, 2,4,5-trifluoro,pubchem5179,acmc-209fqs,ksc201o4t,chloro 2,4,5-trifluorophenyl sulfone,2,4,5-trifluorophenylsulfonyl chloride |
IUPAC Name | 2,4,5-trifluorobenzenesulfonyl chloride |
InChI Key | STCZWXXRRTWRSK-UHFFFAOYSA-N |
Molecular Formula | C6H2ClF3O2S |
Trichloromethanesulfonyl Chloride 95.0+%, TCI America™
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CAS: 2547-61-7 Molecular Formula: CCl4O2S Molecular Weight (g/mol): 217.869 MDL Number: MFCD00007452 InChI Key: ZCPSWAFANXCCOT-UHFFFAOYSA-N PubChem CID: 75684 IUPAC Name: trichloromethanesulfonyl chloride SMILES: C(S(=O)(=O)Cl)(Cl)(Cl)Cl
PubChem CID | 75684 |
---|---|
CAS | 2547-61-7 |
Molecular Weight (g/mol) | 217.869 |
MDL Number | MFCD00007452 |
SMILES | C(S(=O)(=O)Cl)(Cl)(Cl)Cl |
IUPAC Name | trichloromethanesulfonyl chloride |
InChI Key | ZCPSWAFANXCCOT-UHFFFAOYSA-N |
Molecular Formula | CCl4O2S |
2-Mesitylenesulfonyl Chloride 99.0+%, TCI America™
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CAS: 773-64-8 Molecular Formula: C9H11ClO2S Molecular Weight (g/mol): 218.695 MDL Number: MFCD00007434 InChI Key: PVJZBZSCGJAWNG-UHFFFAOYSA-N Synonym: 2-mesitylenesulfonyl chloride,mesitylenesulfonyl chloride,2,4,6-trimethylbenzene-1-sulfonyl chloride,benzenesulfonyl chloride, 2,4,6-trimethyl,mesitylsulfonyl chloride,2-mesitylenesulfonylchloride,mesitylene-2-sulphonyl chloride,2,4,6-trimethyl-benzenesulfonyl chloride,2,4,6-trimethylphenylsulfonyl chloride,mesitylsulfonylchloride PubChem CID: 13046 IUPAC Name: 2,4,6-trimethylbenzenesulfonyl chloride SMILES: CC1=CC(=C(C(=C1)C)S(=O)(=O)Cl)C
PubChem CID | 13046 |
---|---|
CAS | 773-64-8 |
Molecular Weight (g/mol) | 218.695 |
MDL Number | MFCD00007434 |
SMILES | CC1=CC(=C(C(=C1)C)S(=O)(=O)Cl)C |
Synonym | 2-mesitylenesulfonyl chloride,mesitylenesulfonyl chloride,2,4,6-trimethylbenzene-1-sulfonyl chloride,benzenesulfonyl chloride, 2,4,6-trimethyl,mesitylsulfonyl chloride,2-mesitylenesulfonylchloride,mesitylene-2-sulphonyl chloride,2,4,6-trimethyl-benzenesulfonyl chloride,2,4,6-trimethylphenylsulfonyl chloride,mesitylsulfonylchloride |
IUPAC Name | 2,4,6-trimethylbenzenesulfonyl chloride |
InChI Key | PVJZBZSCGJAWNG-UHFFFAOYSA-N |
Molecular Formula | C9H11ClO2S |
Methyl 3-(Chlorosulfonyl)-2-thiophenecarboxylate 90.0+%, TCI America™
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CAS: 59337-92-7 Molecular Formula: C6H5ClO4S2 Molecular Weight (g/mol): 240.67 MDL Number: MFCD00068160 InChI Key: PJVJBDAUWILEOG-UHFFFAOYSA-N Synonym: methyl 3-chlorosulfonyl thiophene-2-carboxylate,2-carbomethoxy-3-thiophenesulfonyl chloride,methylchlorosulfonylthiophenecarboxylate,methyl 3-chlorosulfonyl-2-thiophenecarboxylate,3-chlorosulfonyl-2-thiophene carboxylic acid methyl ester,methyl-3-chlorosulfonylthiophene-2-carboxylate,2-methoxycarbonyl thiophene-3-sulfonyl chloride,2-thiophenecarboxylic acid, 3-chlorosulfonyl-, methyl ester,2-methoxycarbonyl-3-thiophenesulfonyl chloride,2-methoxycarbonyl thiophene-3-sulphonyl chloride PubChem CID: 2736733 IUPAC Name: methyl 3-(chlorosulfonyl)thiophene-2-carboxylate SMILES: COC(=O)C1=C(C=CS1)S(Cl)(=O)=O
PubChem CID | 2736733 |
---|---|
CAS | 59337-92-7 |
Molecular Weight (g/mol) | 240.67 |
MDL Number | MFCD00068160 |
SMILES | COC(=O)C1=C(C=CS1)S(Cl)(=O)=O |
Synonym | methyl 3-chlorosulfonyl thiophene-2-carboxylate,2-carbomethoxy-3-thiophenesulfonyl chloride,methylchlorosulfonylthiophenecarboxylate,methyl 3-chlorosulfonyl-2-thiophenecarboxylate,3-chlorosulfonyl-2-thiophene carboxylic acid methyl ester,methyl-3-chlorosulfonylthiophene-2-carboxylate,2-methoxycarbonyl thiophene-3-sulfonyl chloride,2-thiophenecarboxylic acid, 3-chlorosulfonyl-, methyl ester,2-methoxycarbonyl-3-thiophenesulfonyl chloride,2-methoxycarbonyl thiophene-3-sulphonyl chloride |
IUPAC Name | methyl 3-(chlorosulfonyl)thiophene-2-carboxylate |
InChI Key | PJVJBDAUWILEOG-UHFFFAOYSA-N |
Molecular Formula | C6H5ClO4S2 |
2-Iodobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 63059-29-0 Molecular Formula: C6H4ClIO2S Molecular Weight (g/mol): 302.51 MDL Number: MFCD00833336 InChI Key: ZPNWNLNPDRYULE-UHFFFAOYSA-N PubChem CID: 627400 IUPAC Name: 2-iodobenzene-1-sulfonyl chloride SMILES: ClS(=O)(=O)C1=CC=CC=C1I
PubChem CID | 627400 |
---|---|
CAS | 63059-29-0 |
Molecular Weight (g/mol) | 302.51 |
MDL Number | MFCD00833336 |
SMILES | ClS(=O)(=O)C1=CC=CC=C1I |
IUPAC Name | 2-iodobenzene-1-sulfonyl chloride |
InChI Key | ZPNWNLNPDRYULE-UHFFFAOYSA-N |
Molecular Formula | C6H4ClIO2S |
Pyridine-2-sulfonyl Fluoride 98.0+%, TCI America™
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CAS: 878376-35-3 Molecular Formula: C5H4FNO2S Molecular Weight (g/mol): 161.15 MDL Number: MFCD09265513 InChI Key: FCFXLXGZHDHJLB-UHFFFAOYSA-N Synonym: PyFluor PubChem CID: 11615218 IUPAC Name: pyridine-2-sulfonyl fluoride SMILES: C1=CC=NC(=C1)S(=O)(=O)F
PubChem CID | 11615218 |
---|---|
CAS | 878376-35-3 |
Molecular Weight (g/mol) | 161.15 |
MDL Number | MFCD09265513 |
SMILES | C1=CC=NC(=C1)S(=O)(=O)F |
Synonym | PyFluor |
IUPAC Name | pyridine-2-sulfonyl fluoride |
InChI Key | FCFXLXGZHDHJLB-UHFFFAOYSA-N |
Molecular Formula | C5H4FNO2S |
Pyrimidine-2-sulfonyl Fluoride 98.0+%, TCI America™
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CAS: 35762-87-9 Molecular Formula: C4H3FN2O2S Molecular Weight (g/mol): 162.14 MDL Number: MFCD09265503 InChI Key: HMZIGHBQOOGZAK-UHFFFAOYSA-N PubChem CID: 12175574 IUPAC Name: pyrimidine-2-sulfonyl fluoride SMILES: FS(=O)(=O)C1=NC=CC=N1
PubChem CID | 12175574 |
---|---|
CAS | 35762-87-9 |
Molecular Weight (g/mol) | 162.14 |
MDL Number | MFCD09265503 |
SMILES | FS(=O)(=O)C1=NC=CC=N1 |
IUPAC Name | pyrimidine-2-sulfonyl fluoride |
InChI Key | HMZIGHBQOOGZAK-UHFFFAOYSA-N |
Molecular Formula | C4H3FN2O2S |
Methyl Difluoro(fluorosulfonyl)acetate 97.0+%, TCI America™
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CAS: 680-15-9 Molecular Formula: C3H3F3O4S Molecular Weight (g/mol): 192.108 MDL Number: MFCD00144316 InChI Key: GQJCAQADCPTHKN-UHFFFAOYSA-N Synonym: methyl 2,2-difluoro-2-fluorosulfonyl acetate,methylfluorosulphonyldifluoroacetate,methyl difluoro fluorosulfonyl acetate,methyl fluorosulfonyldifluoroacetate,methyl fluorosulphonyl difluoro acetate,methyl fluorosulphonyldifluoroacetate,methyl 2-fluorosulfonyl difluoroacetate,fluorosulfonyldifluoroacetic acid methyl ester,2,2-difluoro-2-fluorosulfonylacetic acid methyl ester,difluoro fluorosulfonyl acetic acid methyl ester PubChem CID: 547667 IUPAC Name: methyl 2,2-difluoro-2-fluorosulfonylacetate SMILES: COC(=O)C(F)(F)S(=O)(=O)F
PubChem CID | 547667 |
---|---|
CAS | 680-15-9 |
Molecular Weight (g/mol) | 192.108 |
MDL Number | MFCD00144316 |
SMILES | COC(=O)C(F)(F)S(=O)(=O)F |
Synonym | methyl 2,2-difluoro-2-fluorosulfonyl acetate,methylfluorosulphonyldifluoroacetate,methyl difluoro fluorosulfonyl acetate,methyl fluorosulfonyldifluoroacetate,methyl fluorosulphonyl difluoro acetate,methyl fluorosulphonyldifluoroacetate,methyl 2-fluorosulfonyl difluoroacetate,fluorosulfonyldifluoroacetic acid methyl ester,2,2-difluoro-2-fluorosulfonylacetic acid methyl ester,difluoro fluorosulfonyl acetic acid methyl ester |
IUPAC Name | methyl 2,2-difluoro-2-fluorosulfonylacetate |
InChI Key | GQJCAQADCPTHKN-UHFFFAOYSA-N |
Molecular Formula | C3H3F3O4S |
3-Fluorobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 701-27-9 Molecular Formula: C6H4ClFO2S Molecular Weight (g/mol): 194.60 MDL Number: MFCD00042286 InChI Key: OKYSUJVCDXZGKE-UHFFFAOYSA-N Synonym: 3-fluorobenzene-1-sulfonyl chloride,m-fluorobenzenesulfonyl chloride,3-fluorobenzenesulfonylchloride,3-fluorobenzenesulphonyl chloride,3-fluoro-benzenesulfonyl chloride,3-fluorophenylsulfonyl chloride,benzenesulfonyl chloride, 3-fluoro,pubchem5156,acmc-209od0,3-fluorobenzensulfonylchloride PubChem CID: 2734258 IUPAC Name: 3-fluorobenzene-1-sulfonyl chloride SMILES: FC1=CC(=CC=C1)S(Cl)(=O)=O
PubChem CID | 2734258 |
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CAS | 701-27-9 |
Molecular Weight (g/mol) | 194.60 |
MDL Number | MFCD00042286 |
SMILES | FC1=CC(=CC=C1)S(Cl)(=O)=O |
Synonym | 3-fluorobenzene-1-sulfonyl chloride,m-fluorobenzenesulfonyl chloride,3-fluorobenzenesulfonylchloride,3-fluorobenzenesulphonyl chloride,3-fluoro-benzenesulfonyl chloride,3-fluorophenylsulfonyl chloride,benzenesulfonyl chloride, 3-fluoro,pubchem5156,acmc-209od0,3-fluorobenzensulfonylchloride |
IUPAC Name | 3-fluorobenzene-1-sulfonyl chloride |
InChI Key | OKYSUJVCDXZGKE-UHFFFAOYSA-N |
Molecular Formula | C6H4ClFO2S |
3,4-Difluorobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 145758-05-0 Molecular Formula: C6H3ClF2O2S Molecular Weight (g/mol): 212.595 MDL Number: MFCD00153120 InChI Key: FSGLUBQENACWCC-UHFFFAOYSA-N Synonym: 3,4-difluorobenzene-1-sulfonyl chloride,3,4-difluorobenzenesulphonyl chloride,3,4-difluoro-benzenesulfonyl chloride,benzenesulfonyl chloride, 3,4-difluoro,3,4-difluorophenyl chlorosulfone,3,4-difluorobenzenesulfonylchloride,3,4-difluorobenzene sulfonyl chloride,3,4-difluorobenzenesulphonylchloride,pubchem1958,acmc-1byq8 PubChem CID: 2736913 IUPAC Name: 3,4-difluorobenzenesulfonyl chloride SMILES: C1=CC(=C(C=C1S(=O)(=O)Cl)F)F
PubChem CID | 2736913 |
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CAS | 145758-05-0 |
Molecular Weight (g/mol) | 212.595 |
MDL Number | MFCD00153120 |
SMILES | C1=CC(=C(C=C1S(=O)(=O)Cl)F)F |
Synonym | 3,4-difluorobenzene-1-sulfonyl chloride,3,4-difluorobenzenesulphonyl chloride,3,4-difluoro-benzenesulfonyl chloride,benzenesulfonyl chloride, 3,4-difluoro,3,4-difluorophenyl chlorosulfone,3,4-difluorobenzenesulfonylchloride,3,4-difluorobenzene sulfonyl chloride,3,4-difluorobenzenesulphonylchloride,pubchem1958,acmc-1byq8 |
IUPAC Name | 3,4-difluorobenzenesulfonyl chloride |
InChI Key | FSGLUBQENACWCC-UHFFFAOYSA-N |
Molecular Formula | C6H3ClF2O2S |
3,4-Dichlorobenzenesulfonyl Chloride 98.0+%, TCI America™
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CAS: 98-31-7 Molecular Formula: C6H3Cl3O2S Molecular Weight (g/mol): 245.50 MDL Number: MFCD00041255 InChI Key: NYIBPWGZGSXURD-UHFFFAOYSA-N Synonym: 3,4-dichlorobenzene-1-sulfonyl chloride,3,4-dichlorophenylsulfonyl chloride,3,4-dichlorobenzenesulphonyl chloride,benzenesulfonyl chloride, 3,4-dichloro,3,4-dichlorobenzenesulfonylchloride,3,4-dichloro-benzenesulfonyl chloride,3,4-dichlorobenzene-sulfonyl chloride,3,4-dichloro benzene sulfonyl chloride,3,4-dichlorophenyl chlorosulfone,pubchem5118 PubChem CID: 7383 IUPAC Name: 3,4-dichlorobenzene-1-sulfonyl chloride SMILES: ClC1=CC=C(C=C1Cl)S(Cl)(=O)=O
PubChem CID | 7383 |
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CAS | 98-31-7 |
Molecular Weight (g/mol) | 245.50 |
MDL Number | MFCD00041255 |
SMILES | ClC1=CC=C(C=C1Cl)S(Cl)(=O)=O |
Synonym | 3,4-dichlorobenzene-1-sulfonyl chloride,3,4-dichlorophenylsulfonyl chloride,3,4-dichlorobenzenesulphonyl chloride,benzenesulfonyl chloride, 3,4-dichloro,3,4-dichlorobenzenesulfonylchloride,3,4-dichloro-benzenesulfonyl chloride,3,4-dichlorobenzene-sulfonyl chloride,3,4-dichloro benzene sulfonyl chloride,3,4-dichlorophenyl chlorosulfone,pubchem5118 |
IUPAC Name | 3,4-dichlorobenzene-1-sulfonyl chloride |
InChI Key | NYIBPWGZGSXURD-UHFFFAOYSA-N |
Molecular Formula | C6H3Cl3O2S |