Aryl halides
Filtered Search Results
5-chloro-1,3-dimethyl-1H-pyrazole-4-sulfonyl chloride, 97%, Thermo Scientific™
CAS: 88398-93-0 Molecular Formula: C5H6Cl2N2O2S Molecular Weight (g/mol): 229.075 MDL Number: MFCD00052536 InChI Key: HWGVUNSKAPCFNF-UHFFFAOYSA-N Synonym: 5-chloro-1,3-dimethyl-1h-pyrazole-4-sulfonyl chloride,5-chloro-1,3-dimethyl-4-pyrazolesulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazole-4-sulphonyl chloride,5-chloro-1,3-dimethyl-pyrazole-4-sulfonyl chloride,5-chloro-1,3-dimethylpyrazole-4-sulfonylchloride,5-chloranyl-1,3-dimethyl-pyrazole-4-sulfonyl chloride,1h-pyrazole-4-sulfonylchloride, 5-chloro-1,3-dimethyl,5-chloro-1,3-dimethyl-1h-pyrazol-4yl-sulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazol-4-yl sulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazol-4-ylsulphonyl chloride PubChem CID: 2777126 IUPAC Name: 5-chloro-1,3-dimethylpyrazole-4-sulfonyl chloride SMILES: CC1=NN(C(=C1S(=O)(=O)Cl)Cl)C
| PubChem CID | 2777126 |
|---|---|
| CAS | 88398-93-0 |
| Molecular Weight (g/mol) | 229.075 |
| MDL Number | MFCD00052536 |
| SMILES | CC1=NN(C(=C1S(=O)(=O)Cl)Cl)C |
| Synonym | 5-chloro-1,3-dimethyl-1h-pyrazole-4-sulfonyl chloride,5-chloro-1,3-dimethyl-4-pyrazolesulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazole-4-sulphonyl chloride,5-chloro-1,3-dimethyl-pyrazole-4-sulfonyl chloride,5-chloro-1,3-dimethylpyrazole-4-sulfonylchloride,5-chloranyl-1,3-dimethyl-pyrazole-4-sulfonyl chloride,1h-pyrazole-4-sulfonylchloride, 5-chloro-1,3-dimethyl,5-chloro-1,3-dimethyl-1h-pyrazol-4yl-sulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazol-4-yl sulfonyl chloride,5-chloro-1,3-dimethyl-1h-pyrazol-4-ylsulphonyl chloride |
| IUPAC Name | 5-chloro-1,3-dimethylpyrazole-4-sulfonyl chloride |
| InChI Key | HWGVUNSKAPCFNF-UHFFFAOYSA-N |
| Molecular Formula | C5H6Cl2N2O2S |
2,4-Dichlorobenzonitrile, 98%
CAS: 6574-98-7 Molecular Formula: C7H3Cl2N Molecular Weight (g/mol): 172.008 MDL Number: MFCD00016373 InChI Key: GRUHREVRSOOQJG-UHFFFAOYSA-N Synonym: benzonitrile, 2,4-dichloro,2,4-dichloro-benzonitrile,2,4-dichlorobenzenecarbonitrile,acmc-209nrx,2,4-dichloro benzonitrile,ksc352s3f PubChem CID: 81050 IUPAC Name: 2,4-dichlorobenzonitrile SMILES: C1=CC(=C(C=C1Cl)Cl)C#N
| PubChem CID | 81050 |
|---|---|
| CAS | 6574-98-7 |
| Molecular Weight (g/mol) | 172.008 |
| MDL Number | MFCD00016373 |
| SMILES | C1=CC(=C(C=C1Cl)Cl)C#N |
| Synonym | benzonitrile, 2,4-dichloro,2,4-dichloro-benzonitrile,2,4-dichlorobenzenecarbonitrile,acmc-209nrx,2,4-dichloro benzonitrile,ksc352s3f |
| IUPAC Name | 2,4-dichlorobenzonitrile |
| InChI Key | GRUHREVRSOOQJG-UHFFFAOYSA-N |
| Molecular Formula | C7H3Cl2N |
2,6-Dichloropyrazine, 98%
CAS: 4774-14-5 Molecular Formula: C4H2Cl2N2 Molecular Weight (g/mol): 148.974 MDL Number: MFCD00006125 InChI Key: LSEAAPGIZCDEEH-UHFFFAOYSA-N Synonym: pyrazine, 2,6-dichloro,2,6-chloro pyrazine,2,6-dichloro pyrazine,2,6-dichloro-pyrazine,2-chloro-6-chloro-pyrazine,2,6-dicloropyrazine,2,6 dichloropyrazine,pubchem8548,2,6-dichloro-pyrazin,2, 6-dichloropyrazine PubChem CID: 78504 IUPAC Name: 2,6-dichloropyrazine SMILES: C1=C(N=C(C=N1)Cl)Cl
| PubChem CID | 78504 |
|---|---|
| CAS | 4774-14-5 |
| Molecular Weight (g/mol) | 148.974 |
| MDL Number | MFCD00006125 |
| SMILES | C1=C(N=C(C=N1)Cl)Cl |
| Synonym | pyrazine, 2,6-dichloro,2,6-chloro pyrazine,2,6-dichloro pyrazine,2,6-dichloro-pyrazine,2-chloro-6-chloro-pyrazine,2,6-dicloropyrazine,2,6 dichloropyrazine,pubchem8548,2,6-dichloro-pyrazin,2, 6-dichloropyrazine |
| IUPAC Name | 2,6-dichloropyrazine |
| InChI Key | LSEAAPGIZCDEEH-UHFFFAOYSA-N |
| Molecular Formula | C4H2Cl2N2 |
2,4-Dichloropyrimidine, 98+%
CAS: 3934-20-1 Molecular Formula: C4H2Cl2N2 Molecular Weight (g/mol): 148.974 MDL Number: MFCD00006061 InChI Key: BTTNYQZNBZNDOR-UHFFFAOYSA-N PubChem CID: 77531 IUPAC Name: 2,4-dichloropyrimidine SMILES: C1=CN=C(N=C1Cl)Cl
| PubChem CID | 77531 |
|---|---|
| CAS | 3934-20-1 |
| Molecular Weight (g/mol) | 148.974 |
| MDL Number | MFCD00006061 |
| SMILES | C1=CN=C(N=C1Cl)Cl |
| IUPAC Name | 2,4-dichloropyrimidine |
| InChI Key | BTTNYQZNBZNDOR-UHFFFAOYSA-N |
| Molecular Formula | C4H2Cl2N2 |
3,4-Dichloroaniline, 98%
CAS: 95-76-1 Molecular Formula: C6H5Cl2N Molecular Weight (g/mol): 162.013 MDL Number: MFCD00007768 InChI Key: SDYWXFYBZPNOFX-UHFFFAOYSA-N Synonym: 3,4-dichlorobenzenamine,3,4-dichloraniline,3,4-dichloranilin,4,5-dichloroaniline,benzenamine, 3,4-dichloro,1-amino-3,4-dichlorobenzene,3,4-dca,3,4-dichlorophenylamine,aniline, 3,4-dichloro,m,p-dichloroaniline PubChem CID: 7257 ChEBI: CHEBI:16767 IUPAC Name: 3,4-dichloroaniline SMILES: C1=CC(=C(C=C1N)Cl)Cl
| PubChem CID | 7257 |
|---|---|
| CAS | 95-76-1 |
| Molecular Weight (g/mol) | 162.013 |
| ChEBI | CHEBI:16767 |
| MDL Number | MFCD00007768 |
| SMILES | C1=CC(=C(C=C1N)Cl)Cl |
| Synonym | 3,4-dichlorobenzenamine,3,4-dichloraniline,3,4-dichloranilin,4,5-dichloroaniline,benzenamine, 3,4-dichloro,1-amino-3,4-dichlorobenzene,3,4-dca,3,4-dichlorophenylamine,aniline, 3,4-dichloro,m,p-dichloroaniline |
| IUPAC Name | 3,4-dichloroaniline |
| InChI Key | SDYWXFYBZPNOFX-UHFFFAOYSA-N |
| Molecular Formula | C6H5Cl2N |
5-Chloro-2-methylindole, 98%
CAS: 1075-35-0 Molecular Formula: C9H8ClN Molecular Weight (g/mol): 165.62 MDL Number: MFCD00005619 InChI Key: WUVWAXJXPRYUME-UHFFFAOYSA-N Synonym: 5-chloro-2-methylindole,2-methyl-5-chloroindole,1h-indole, 5-chloro-2-methyl,5-chloro-2-methyl-indole,2-methyl-5-chloro-1h-indole,pubchem17201,acmc-1bpvo,5-chlor-2-methyl-1h-indole,indole, 5-chloro-2-methyl,1h-indole,5-chloro-2-methyl PubChem CID: 70636 IUPAC Name: 5-chloro-2-methyl-1H-indole SMILES: CC1=CC2=C(N1)C=CC(=C2)Cl
| PubChem CID | 70636 |
|---|---|
| CAS | 1075-35-0 |
| Molecular Weight (g/mol) | 165.62 |
| MDL Number | MFCD00005619 |
| SMILES | CC1=CC2=C(N1)C=CC(=C2)Cl |
| Synonym | 5-chloro-2-methylindole,2-methyl-5-chloroindole,1h-indole, 5-chloro-2-methyl,5-chloro-2-methyl-indole,2-methyl-5-chloro-1h-indole,pubchem17201,acmc-1bpvo,5-chlor-2-methyl-1h-indole,indole, 5-chloro-2-methyl,1h-indole,5-chloro-2-methyl |
| IUPAC Name | 5-chloro-2-methyl-1H-indole |
| InChI Key | WUVWAXJXPRYUME-UHFFFAOYSA-N |
| Molecular Formula | C9H8ClN |
2-Chloro-5-(trifluoromethyl)pyrazine, 97%
CAS: 799557-87-2 Molecular Formula: C5H2ClF3N2 Molecular Weight (g/mol): 182.53 MDL Number: MFCD13189478 InChI Key: AIEGIFIEQXZBCP-UHFFFAOYSA-N Synonym: 2-chloro-5-trifluoromethyl pyrazine,5-chloro-2-trifluoromethylpyrazine,pyrazine, 2-chloro-5-trifluoromethyl,2-chloro-5-trifluoromethyl-pyrazine PubChem CID: 18987645 IUPAC Name: 2-chloro-5-(trifluoromethyl)pyrazine SMILES: C1=C(N=CC(=N1)Cl)C(F)(F)F
| PubChem CID | 18987645 |
|---|---|
| CAS | 799557-87-2 |
| Molecular Weight (g/mol) | 182.53 |
| MDL Number | MFCD13189478 |
| SMILES | C1=C(N=CC(=N1)Cl)C(F)(F)F |
| Synonym | 2-chloro-5-trifluoromethyl pyrazine,5-chloro-2-trifluoromethylpyrazine,pyrazine, 2-chloro-5-trifluoromethyl,2-chloro-5-trifluoromethyl-pyrazine |
| IUPAC Name | 2-chloro-5-(trifluoromethyl)pyrazine |
| InChI Key | AIEGIFIEQXZBCP-UHFFFAOYSA-N |
| Molecular Formula | C5H2ClF3N2 |
2,5-Dichlorobenzonitrile, 98%
CAS: 21663-61-6 Molecular Formula: C7H3Cl2N Molecular Weight (g/mol): 172.008 MDL Number: MFCD00019741 InChI Key: LNGWRTKJZCBXGT-UHFFFAOYSA-N Synonym: benzonitrile, 2,5-dichloro,2,5-dichloro-benzonitrile,2,5-dichlorobenzonitrite,2,5-dichlorobenzenecarbonitrile,pubchem3687,acmc-209fn5,ksc490q4h,2,5-dichlorobenzonitrile,attercop-chm at133057 PubChem CID: 89000 IUPAC Name: 2,5-dichlorobenzonitrile SMILES: C1=CC(=C(C=C1Cl)C#N)Cl
| PubChem CID | 89000 |
|---|---|
| CAS | 21663-61-6 |
| Molecular Weight (g/mol) | 172.008 |
| MDL Number | MFCD00019741 |
| SMILES | C1=CC(=C(C=C1Cl)C#N)Cl |
| Synonym | benzonitrile, 2,5-dichloro,2,5-dichloro-benzonitrile,2,5-dichlorobenzonitrite,2,5-dichlorobenzenecarbonitrile,pubchem3687,acmc-209fn5,ksc490q4h,2,5-dichlorobenzonitrile,attercop-chm at133057 |
| IUPAC Name | 2,5-dichlorobenzonitrile |
| InChI Key | LNGWRTKJZCBXGT-UHFFFAOYSA-N |
| Molecular Formula | C7H3Cl2N |
6-Chloroindole-2-carboxylic acid, 96%, Thermo Scientific Chemicals
CAS: 16732-75-5 Molecular Formula: C9H6ClNO2 Molecular Weight (g/mol): 195.602 MDL Number: MFCD01863157 InChI Key: BKPSJOSKWKTWAG-UHFFFAOYSA-N Synonym: 6-chloroindole-2-carboxylic acid,pubchem1671,acmc-209dwc,chembl23134,6-chloro-2-indolecarboxylic acid,6-chloro indole-2-carboxylic acid,1h-indole-2-carboxylic acid, 6-chloro,6-chloro-1h-indole-2-carboxylic acid; 6-chloro-1h-indole-2-carboxylic acid; 6-chloro-2-indolecarboxylic acid PubChem CID: 85584 IUPAC Name: 6-chloro-1H-indole-2-carboxylic acid SMILES: C1=CC2=C(C=C1Cl)NC(=C2)C(=O)O
| PubChem CID | 85584 |
|---|---|
| CAS | 16732-75-5 |
| Molecular Weight (g/mol) | 195.602 |
| MDL Number | MFCD01863157 |
| SMILES | C1=CC2=C(C=C1Cl)NC(=C2)C(=O)O |
| Synonym | 6-chloroindole-2-carboxylic acid,pubchem1671,acmc-209dwc,chembl23134,6-chloro-2-indolecarboxylic acid,6-chloro indole-2-carboxylic acid,1h-indole-2-carboxylic acid, 6-chloro,6-chloro-1h-indole-2-carboxylic acid; 6-chloro-1h-indole-2-carboxylic acid; 6-chloro-2-indolecarboxylic acid |
| IUPAC Name | 6-chloro-1H-indole-2-carboxylic acid |
| InChI Key | BKPSJOSKWKTWAG-UHFFFAOYSA-N |
| Molecular Formula | C9H6ClNO2 |
2,3-Dichlorobenzonitrile, 98%
CAS: 6574-97-6 Molecular Formula: C7H3Cl2N Molecular Weight (g/mol): 172.008 MDL Number: MFCD00016372 InChI Key: OHDYZVVLNPXKDX-UHFFFAOYSA-N Synonym: benzonitrile, dichloro,2,3-dichlorobenzenecarbonitrile,benzonitrile, 2,3-dichloro,dichlorobenzonitrile,pubchem12516,2,3-dichloro benzonitrile,2,3-dichlorophenyl cyanide,2,3-di-chloro-benzonitrile,acmc-1b38y,ksc357s4b PubChem CID: 736567 IUPAC Name: 2,3-dichlorobenzonitrile SMILES: C1=CC(=C(C(=C1)Cl)Cl)C#N
| PubChem CID | 736567 |
|---|---|
| CAS | 6574-97-6 |
| Molecular Weight (g/mol) | 172.008 |
| MDL Number | MFCD00016372 |
| SMILES | C1=CC(=C(C(=C1)Cl)Cl)C#N |
| Synonym | benzonitrile, dichloro,2,3-dichlorobenzenecarbonitrile,benzonitrile, 2,3-dichloro,dichlorobenzonitrile,pubchem12516,2,3-dichloro benzonitrile,2,3-dichlorophenyl cyanide,2,3-di-chloro-benzonitrile,acmc-1b38y,ksc357s4b |
| IUPAC Name | 2,3-dichlorobenzonitrile |
| InChI Key | OHDYZVVLNPXKDX-UHFFFAOYSA-N |
| Molecular Formula | C7H3Cl2N |
6-Chlorobenzimidazole-2-carboxylic acid, 97%, Thermo Scientific Chemicals
CAS: 39811-14-8 Molecular Formula: C8H5ClN2O2 Molecular Weight (g/mol): 196.59 MDL Number: MFCD06739053 InChI Key: NZIHMSYSZRFUQJ-UHFFFAOYSA-N Synonym: 6-chloro-1h-benzoimidazole-2-carboxylic acid,6-chloro-1h-benzo d imidazole-2-carboxylic acid,5-chloro-1h-benzo d imidazole-2-carboxylic acid,5-chloro-1h-benzimidazole-2-carboxylic acid,6-chlorobenzimidazole-2-carboxylic acid,5-chloro-1h-benzoimidazole-2-carboxylic acid,1h-benzimidazole-2-carboxylic acid, 6-chloro,5-chloro-1h-1,3-benzodiazole-2-carboxylic acid,5-chloro-3h-1,3-benzodiazole-2-carboxylic acid,6-chloro-1h-1,3-benzodiazole-2-carboxylic acid PubChem CID: 10512110 IUPAC Name: 6-chloro-1H-benzimidazole-2-carboxylic acid SMILES: C1=CC2=C(C=C1Cl)NC(=N2)C(=O)O
| PubChem CID | 10512110 |
|---|---|
| CAS | 39811-14-8 |
| Molecular Weight (g/mol) | 196.59 |
| MDL Number | MFCD06739053 |
| SMILES | C1=CC2=C(C=C1Cl)NC(=N2)C(=O)O |
| Synonym | 6-chloro-1h-benzoimidazole-2-carboxylic acid,6-chloro-1h-benzo d imidazole-2-carboxylic acid,5-chloro-1h-benzo d imidazole-2-carboxylic acid,5-chloro-1h-benzimidazole-2-carboxylic acid,6-chlorobenzimidazole-2-carboxylic acid,5-chloro-1h-benzoimidazole-2-carboxylic acid,1h-benzimidazole-2-carboxylic acid, 6-chloro,5-chloro-1h-1,3-benzodiazole-2-carboxylic acid,5-chloro-3h-1,3-benzodiazole-2-carboxylic acid,6-chloro-1h-1,3-benzodiazole-2-carboxylic acid |
| IUPAC Name | 6-chloro-1H-benzimidazole-2-carboxylic acid |
| InChI Key | NZIHMSYSZRFUQJ-UHFFFAOYSA-N |
| Molecular Formula | C8H5ClN2O2 |
1,2-Dichlorobenzene, 98+%, Extra Dry, AcroSeal™
CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: o-dichlorobenzene,chloroben,o-dichlorbenzol,dilantin db,ortho-dichlorobenzene,2-dichlorobenzene,o-dichlorobenzol,odcb,benzene, 1,2-dichloro,cloroben PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl
| PubChem CID | 7239 |
|---|---|
| CAS | 95-50-1 |
| Molecular Weight (g/mol) | 147 |
| ChEBI | CHEBI:35290 |
| MDL Number | MFCD00000535 |
| SMILES | C1=CC=C(C(=C1)Cl)Cl |
| Synonym | o-dichlorobenzene,chloroben,o-dichlorbenzol,dilantin db,ortho-dichlorobenzene,2-dichlorobenzene,o-dichlorobenzol,odcb,benzene, 1,2-dichloro,cloroben |
| IUPAC Name | 1,2-dichlorobenzene |
| InChI Key | RFFLAFLAYFXFSW-UHFFFAOYSA-N |
| Molecular Formula | C6H4Cl2 |
3,5-Dichlorophenylacetic acid, 95%
CAS: 51719-65-4 Molecular Formula: C8H6Cl2O2 Molecular Weight (g/mol): 205.034 MDL Number: MFCD01764671 InChI Key: RERINLRFXYGZEE-UHFFFAOYSA-N Synonym: 2-3,5-dichlorophenyl acetic acid,3,5-dichlorophenylacetic acid,benzeneacetic acid, 3,5-dichloro,3,5-dichlorobenzeneacetic acid,3,5-dichlorophenyl acetic acid,3,5-dichloro-phenyl-acetic acid,2-3,5-dichlorophenyl-acetic acid,3,5-dichlorophenylaceticacid,pubchem24116,3,5-dichlorphenylacetic acid PubChem CID: 6452487 IUPAC Name: 2-(3,5-dichlorophenyl)acetic acid SMILES: C1=C(C=C(C=C1Cl)Cl)CC(=O)O
| PubChem CID | 6452487 |
|---|---|
| CAS | 51719-65-4 |
| Molecular Weight (g/mol) | 205.034 |
| MDL Number | MFCD01764671 |
| SMILES | C1=C(C=C(C=C1Cl)Cl)CC(=O)O |
| Synonym | 2-3,5-dichlorophenyl acetic acid,3,5-dichlorophenylacetic acid,benzeneacetic acid, 3,5-dichloro,3,5-dichlorobenzeneacetic acid,3,5-dichlorophenyl acetic acid,3,5-dichloro-phenyl-acetic acid,2-3,5-dichlorophenyl-acetic acid,3,5-dichlorophenylaceticacid,pubchem24116,3,5-dichlorphenylacetic acid |
| IUPAC Name | 2-(3,5-dichlorophenyl)acetic acid |
| InChI Key | RERINLRFXYGZEE-UHFFFAOYSA-N |
| Molecular Formula | C8H6Cl2O2 |
5-Chloro-7-azaindole, 95%
CAS: 866546-07-8 Molecular Formula: C7H5ClN2 Molecular Weight (g/mol): 152.581 MDL Number: MFCD06659676 InChI Key: MFZQJIKENSPRSJ-UHFFFAOYSA-N Synonym: 5-chloro-1h-pyrrolo 2,3-b pyridine,5-chloro-7-azaindole,1h-pyrrolo 2,3-b pyridine, 5-chloro,pubchem14704,ksc494e6r,5-chloropyrrolo 2,3-b pyridine,5-chloro-1h-pyrrolo 2,3-b pyridin PubChem CID: 24229213 IUPAC Name: 5-chloro-1H-pyrrolo[2,3-b]pyridine SMILES: C1=CNC2=NC=C(C=C21)Cl
| PubChem CID | 24229213 |
|---|---|
| CAS | 866546-07-8 |
| Molecular Weight (g/mol) | 152.581 |
| MDL Number | MFCD06659676 |
| SMILES | C1=CNC2=NC=C(C=C21)Cl |
| Synonym | 5-chloro-1h-pyrrolo 2,3-b pyridine,5-chloro-7-azaindole,1h-pyrrolo 2,3-b pyridine, 5-chloro,pubchem14704,ksc494e6r,5-chloropyrrolo 2,3-b pyridine,5-chloro-1h-pyrrolo 2,3-b pyridin |
| IUPAC Name | 5-chloro-1H-pyrrolo[2,3-b]pyridine |
| InChI Key | MFZQJIKENSPRSJ-UHFFFAOYSA-N |
| Molecular Formula | C7H5ClN2 |
1,2-Dichlorobenzene, 99+%, for HPLC
CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: o-dichlorobenzene,chloroben,o-dichlorbenzol,dilantin db,ortho-dichlorobenzene,2-dichlorobenzene,o-dichlorobenzol,odcb,benzene, 1,2-dichloro,cloroben PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl
| PubChem CID | 7239 |
|---|---|
| CAS | 95-50-1 |
| Molecular Weight (g/mol) | 147 |
| ChEBI | CHEBI:35290 |
| SMILES | C1=CC=C(C(=C1)Cl)Cl |
| Synonym | o-dichlorobenzene,chloroben,o-dichlorbenzol,dilantin db,ortho-dichlorobenzene,2-dichlorobenzene,o-dichlorobenzol,odcb,benzene, 1,2-dichloro,cloroben |
| IUPAC Name | 1,2-dichlorobenzene |
| InChI Key | RFFLAFLAYFXFSW-UHFFFAOYSA-N |
| Molecular Formula | C6H4Cl2 |