Aryl chlorides

Honeywell Riedel-de Haen™ 1,2-Dichlorobenzene, Reag. Ph. Eur., ≥99% (GC), Honeywell™ Riedel-de Haën™

Honeywell Riedel-de Haen™ 1,2-Dichlorobenzene, Reag. Ph. Eur., ≥99% (GC), Honeywell™ Riedel-de Haën™

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 146.998 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

1,4-Dichlorobenzene-D4, SPEX CertiPrep™

1,4-Dichlorobenzene-D4, SPEX CertiPrep™

CAS: 3855-82-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 151.022 InChI Key: OCJBOOLMMGQPQU-RHQRLBAQSA-N PubChem CID: 123202 IUPAC Name: 1,4-dichloro-2,3,5,6-tetradeuteriobenzene SMILES: C1=CC(=CC=C1Cl)Cl

o-Dichlorobenzene (Technical), Fisher Chemical

o-Dichlorobenzene (Technical), Fisher Chemical

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 146.998 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

o-Dichlorobenzene (Certified ACS), Fisher Chemical

o-Dichlorobenzene (Certified ACS), Fisher Chemical

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 146.998 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

1,2-Dichlorobenzene, 99%, pure, ACROS Organics™

1,2-Dichlorobenzene, 99%, pure, ACROS Organics™

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

1,2-Dichlorobenzene-d4, for NMR, 98% atom D, ACROS Organics™

1,2-Dichlorobenzene-d4, for NMR, 98% atom D, ACROS Organics™

CAS: 2199-69-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 151.02 MDL Number: MFCD00037106 InChI Key: RFFLAFLAYFXFSW-RHQRLBAQSA-N Synonym: 1,2-dichloro-3,4,5,6-tetradeuterobenzene, 1,2-dichlorobenzene d4, 1,2-dichlorobenzene-d4, 1,2-dichlorobenzene-d4, 98 atom % d, 1,2-dichlorobenzene-d4,98atom%d, benzene-1,2,3,4-d4, 5,6-dichloro, benzene-1,2,3,4-d4-, 5,6-dichloro, deuterated 1,2-dichlorobenzene, o-dichloro 2h4 benzene, tetradeutero-1,2-dichlorobenzene PubChem CID: 519913 IUPAC Name: 1,2-dichloro-3,4,5,6-tetradeuteriobenzene SMILES: [2H]C1=C([2H])C([2H])=C(Cl)C(Cl)=C1[2H]

2,4-Dichlorotoluene, 99%, ACROS Organics™

2,4-Dichlorotoluene, 99%, ACROS Organics™

CAS: 95-73-8 Molecular Formula: C7H6Cl2 Molecular Weight (g/mol): 161.03 MDL Number: MFCD00000583 InChI Key: FUNUTBJJKQIVSY-UHFFFAOYSA-N Synonym: 2,4-dct, 2,4-dichloro-1-methyl-benzene, 2,4-dichloro-toluen, 2,4-dichloromethylbenzene, 2,4-dichlorotoluene, 2,4-diclorotoluene, 4,6-dichlorotoluene, benzene, 2,4-dichloro-1-methyl, toluene, 2,4-dichloro, unii-3s32n6lg3x PubChem CID: 7254 ChEBI: CHEBI:81651 IUPAC Name: 2,4-dichloro-1-methylbenzene SMILES: CC1=C(C=C(C=C1)Cl)Cl

1,4-Dichlorobenzene, 99+%, ACROS Organics™

1,4-Dichlorobenzene, 99+%, ACROS Organics™

CAS: 106-46-7 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 MDL Number: MFCD00000604 InChI Key: OCJBOOLMMGQPQU-UHFFFAOYSA-N Synonym: dichlorobenzene, evola, p-dichlorobenzene, para-dichlorobenzene, paracide, paradichlorobenzene, paradow, paramoth, paranuggets, santochlor PubChem CID: 4685 ChEBI: CHEBI:28618 IUPAC Name: 1,4-dichlorobenzene SMILES: C1=CC(=CC=C1Cl)Cl

Atrazine, SPEX CertiPrep™

Atrazine, SPEX CertiPrep™

CAS: 10326-27-9 Molecular Formula: BaCl2H4O2 Molecular Weight (g/mol): 244.257 InChI Key: PWHCIQQGOQTFAE-UHFFFAOYSA-L PubChem CID: 5284346 ChEBI: CHEBI:86153 IUPAC Name: barium(2+);dichloride;dihydrate SMILES: O.O.[Cl-].[Cl-].[Ba+2]

8141 Mix-D, SPEX CertiPrep™

8141 Mix-D, SPEX CertiPrep™

ISO/IEC Guide 34 Certified, NIST-Traceable Certified Reference Material

Alfa Aesar™ 1,4-Dichlorobenzene, 99+%

Alfa Aesar™ 1,4-Dichlorobenzene, 99+%

CAS: 106-46-7 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 146.998 MDL Number: MFCD00000604 InChI Key: OCJBOOLMMGQPQU-UHFFFAOYSA-N Synonym: dichlorobenzene, evola, p-dichlorobenzene, para-dichlorobenzene, paracide, paradichlorobenzene, paradow, paramoth, paranuggets, santochlor PubChem CID: 4685 ChEBI: CHEBI:28618 IUPAC Name: 1,4-dichlorobenzene SMILES: C1=CC(=CC=C1Cl)Cl

1,2-Dichlorobenzene, 98+%, Extra Dry, AcroSeal™, ACROS Organics™

1,2-Dichlorobenzene, 98+%, Extra Dry, AcroSeal™, ACROS Organics™

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

1,2-Dichlorobenzene, 99+%, for HPLC, ACROS Organics™

1,2-Dichlorobenzene, 99+%, for HPLC, ACROS Organics™

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 147 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

Alfa Aesar™ 4-Chloro-6-(trifluoromethyl)quinoline, 99%

Alfa Aesar™ 4-Chloro-6-(trifluoromethyl)quinoline, 99%

CAS: 49713-56-6 Molecular Formula: C10H5ClF3N Molecular Weight (g/mol): 231.602 MDL Number: MFCD00153106 InChI Key: FTNQANJWBFKPIP-UHFFFAOYSA-N Synonym: 4-chloro-6-trifluoromethyl quinoline, 4-chloro-6-trifluoromethyl quinolline, 4-chloro-6-trifluoromethyl-quinoline, pubchem5941, quinoline,4-chloro-6-trifluoromethyl PubChem CID: 2736711 IUPAC Name: 4-chloro-6-(trifluoromethyl)quinoline SMILES: C1=CC2=NC=CC(=C2C=C1C(F)(F)F)Cl

4,5-Dichloro-1,2-phenylenediamine 98.0+%, TCI America™

4,5-Dichloro-1,2-phenylenediamine 98.0+%, TCI America™

CAS: 5348-42-5 Molecular Formula: C6H6Cl2N2 Molecular Weight (g/mol): 177.03 MDL Number: MFCD00007723 InChI Key: IWFHBRFJOHTIPU-UHFFFAOYSA-N Synonym: 1,2-benzenediamine, 4,5-dichloro, 1,2-diamino-4,5-dichlorobenzene, 1,2-dichloro-4,5-diaminobenzene, 2-amino-4,5-dichloroaniline, 4,5-dichloro-1,2-benzenediamine, 4,5-dichloro-1,2-phenylenediamine, 4,5-dichloro-o-phenylendiamine, 4,5-dichloro-o-phenylenediamine, 4,5-dichloro-ortho-phenylenediamine, 4,5-dichlorophenylene-1,2-diamine PubChem CID: 79297 IUPAC Name: 4,5-dichlorobenzene-1,2-diamine SMILES: NC1=CC(Cl)=C(Cl)C=C1N

2-Chloro-4-methylpyrimidine 98.0+%, TCI America™

2-Chloro-4-methylpyrimidine 98.0+%, TCI America™

CAS: 13036-57-2 Molecular Formula: C5H5ClN2 Molecular Weight (g/mol): 128.559 MDL Number: MFCD00054434 InChI Key: BHAKRVSCGILCEW-UHFFFAOYSA-N Synonym: 2-chloro-4-methyl pyrimidine, 2-chloro-4-methyl-pyrimidine, 2-chloro-6-methylpyrimidine, 4-methyl-2-chloro-pyrimidine, 4-methyl-2-chloropyrimidine, 4-methyl-2-pyrimidinylchloride, chloro-6 methylpyrimidine, ksc493s3l, pubchem6906, pyrimidine, 2-chloro-4-methyl PubChem CID: 11629607 IUPAC Name: 2-chloro-4-methylpyrimidine SMILES: CC1=NC(=NC=C1)Cl

2-Amino-4-chlorobenzothiazole 98.0+%, TCI America™

2-Amino-4-chlorobenzothiazole 98.0+%, TCI America™

CAS: 19952-47-7 Molecular Formula: C7H5ClN2S Molecular Weight (g/mol): 184.641 MDL Number: MFCD00005791 InChI Key: OEQQFQXMCPMEIH-UHFFFAOYSA-N Synonym: 2-amino-4-chlorobenzothiazole, 2-benzothiazolamine, 4-chloro, 4-chloro-2-aminobenzothiazole, 4-chloro-2-benzothiazolamine, 4-chloro-benzothiazol-2-ylamine, 4-chlorobenzo d thiazol-2-amine, 4-chlorobenzothiazol-2-ylamine, 4-chlorobenzothiazole-2-ylamine, benzothiazole, 2-amino-4-chloro, zlchem 166 PubChem CID: 29872 IUPAC Name: 4-chloro-1,3-benzothiazol-2-amine SMILES: C1=CC2=C(C(=C1)Cl)N=C(S2)N

Alfa Aesar™ 5-Chloro-3-methyl-1-phenyl-1H-pyrazole, 98%

Alfa Aesar™ 5-Chloro-3-methyl-1-phenyl-1H-pyrazole, 98%

CAS: 1131-17-5 Molecular Formula: C10H9ClN2 Molecular Weight (g/mol): 192.646 MDL Number: MFCD00067853 InChI Key: ZZOWFLAMMWOSCG-UHFFFAOYSA-N Synonym: 1-phenyl-3-methyl-5-chloro-1h-pyrazole, 1-phenyl-3-methyl-5-chloropyrazole, 1h-pyrazole, 5-chloro-3-methyl-1-phenyl, 1h-pyrazole,5-chloro-3-methyl-1-phenyl, 5-chloro-3-methyl-1-phenyl-1h-pyrazole, 5-chloro-3-methyl-1-phenylpyrazole, acmc-20am49, buttpark 48\06-20 PubChem CID: 2735771 IUPAC Name: 5-chloro-3-methyl-1-phenylpyrazole SMILES: CC1=NN(C(=C1)Cl)C2=CC=CC=C2

Alfa Aesar™ 5-Chloro-3-phenyl-2,1-benzisoxazole, 98+%

Alfa Aesar™ 5-Chloro-3-phenyl-2,1-benzisoxazole, 98+%

CAS: 719-64-2 Molecular Formula: C13H8ClNO Molecular Weight (g/mol): 229.663 MDL Number: MFCD00014573 InChI Key: MUHJZJKVEQASGY-UHFFFAOYSA-N Synonym: 2, 5-chloro-3-phenyl, 3-phenyl-5-chloro-2,1-benzisoxazole, 3-phenyl-5-chloroanthranil, 5-chloro-3-phenyl-2,1-benzisoxazole, 5-chloro-3-phenyl-benzo c isoxazole, 5-chloro-3-phenylanthranil, 5-chloro-3-phenylbenzo c isoxazole, acmc-209okx, maybridge1_004397, pubchem8713 PubChem CID: 347291 IUPAC Name: 5-chloro-3-phenyl-2,1-benzoxazole SMILES: C1=CC=C(C=C1)C2=C3C=C(C=CC3=NO2)Cl

2,4-Dichloropyrimidine 98.0+%, TCI America™

2,4-Dichloropyrimidine 98.0+%, TCI America™

CAS: 3934-20-1 Molecular Formula: C4H2Cl2N2 Molecular Weight (g/mol): 148.974 MDL Number: MFCD00006061 InChI Key: BTTNYQZNBZNDOR-UHFFFAOYSA-N Synonym: 2,4-dichloro pyrimidine, 2,4-dichloro-pyrimidine, 2,4-dichlorpyrimidin, 2,4dichloropyrimidine, 2,6-dichloropyrimidine, hydrochloride, pyrimidine, 2,4-dichloro, pyrimidine,2,4-dichloro, pyrimidine,4-dichloro, zlchem 210 PubChem CID: 77531 IUPAC Name: 2,4-dichloropyrimidine SMILES: C1=CN=C(N=C1Cl)Cl

Cyanuric chloride, 99%, ACROS Organics™

Cyanuric chloride, 99%, ACROS Organics™

CAS: 108-77-0 Molecular Formula: C3Cl3N3 Molecular Weight (g/mol): 184.40 MDL Number: MFCD00006046 InChI Key: MGNCLNQXLYJVJD-UHFFFAOYSA-N Synonym: cyanur chloride, cyanuric acid chloride, cyanuric chloride, cyanuric trichloride, cyanuryl chloride, s-triazine trichloride, sym-trichlorotriazine, trichloro-s-triazine, trichlorocyanidine, tricyanogen chloride PubChem CID: 7954 ChEBI: CHEBI:58964 IUPAC Name: 2,4,6-trichloro-1,3,5-triazine SMILES: ClC1=NC(Cl)=NC(Cl)=N1

Alfa Aesar™ 2,4-Dichloroaniline, 99%

Alfa Aesar™ 2,4-Dichloroaniline, 99%

CAS: 554-00-7 Molecular Formula: C6H5Cl2N Molecular Weight (g/mol): 162.013 MDL Number: MFCD00007661 InChI Key: KQCMTOWTPBNWDB-UHFFFAOYSA-N Synonym: 2,4-dca, 2,4-dichloranilin, 2,4-dichloranilin german, 2,4-dichloro-phenylamine, 2,4-dichlorobenzenamine, 2,4-dichlorophenylamine, aniline, 2,4-dichloro, benzenamine, 2,4-dichloro, o,p-dichloroaniline, unii-19ae42m6ws PubChem CID: 11123 ChEBI: CHEBI:46635 IUPAC Name: 2,4-dichloroaniline SMILES: C1=CC(=C(C=C1Cl)Cl)N

5-Chloro-3-methylbenzo[b]thiophene, 97%, Alfa Aesar™

5-Chloro-3-methylbenzo[b]thiophene, 97%, Alfa Aesar™

CAS: 19404-18-3 Molecular Formula: C9H7ClS Molecular Weight (g/mol): 182.665 MDL Number: MFCD00052506 InChI Key: UWDQVEPXORTQFO-UHFFFAOYSA-N Synonym: 4-methylthio phenol, 5-chloro-3-methyl benzo b thiophene, 5-chloro-3-methylbenzo b thiophene, 5-chloro-3-methylbenzothiophene, 5-chloro-3-methylthianaphthene, acmc-209exr, maybridge1_005366, pubchem7372, zlchem 217 PubChem CID: 317317 IUPAC Name: 5-chloro-3-methyl-1-benzothiophene SMILES: CC1=CSC2=C1C=C(C=C2)Cl

Alfa Aesar™ 5-Chloro-2-methylbenzothiazole, 98%

Alfa Aesar™ 5-Chloro-2-methylbenzothiazole, 98%

CAS: 1006-99-1 Molecular Formula: C8H6ClNS Molecular Weight (g/mol): 183.653 MDL Number: MFCD00022881 InChI Key: XCALAYIRFYALSX-UHFFFAOYSA-N Synonym: 2-methyl-5-chloro benzothiazole, 2-methyl-5-chlorobenzothiazole, 2-metyl-5-chloro-benzothiazole, 5-chloro-2-methyl benzothiazole, 5-chloro-2-methyl-benzothiazole, 5-chloro-2-methylbenzo d thiazole, 5-chloro-2-methylbenzothiazole, benzothiazole, 5-chloro-2-methyl, pubchem10878, usaf ek-p-4382 PubChem CID: 13873 IUPAC Name: 5-chloro-2-methyl-1,3-benzothiazole SMILES: CC1=NC2=C(S1)C=CC(=C2)Cl

3,4-Dichloroaniline, 98%, ACROS Organics™

3,4-Dichloroaniline, 98%, ACROS Organics™

CAS: 95-76-1 Molecular Formula: C6H5Cl2N Molecular Weight (g/mol): 162.013 MDL Number: MFCD00007768 InChI Key: SDYWXFYBZPNOFX-UHFFFAOYSA-N Synonym: 1-amino-3,4-dichlorobenzene, 3,4-dca, 3,4-dichloranilin, 3,4-dichloraniline, 3,4-dichlorobenzenamine, 3,4-dichlorophenylamine, 4,5-dichloroaniline, aniline, 3,4-dichloro, benzenamine, 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

3-Bromo-5-chloro-1,2,4-thiadiazole, 97%, ACROS Organics™

3-Bromo-5-chloro-1,2,4-thiadiazole, 97%, ACROS Organics™

CAS: 37159-60-7 Molecular Formula: C2BrClN2S Molecular Weight (g/mol): 199.45 MDL Number: MFCD00799287 InChI Key: CXUWGEWQRCXJDC-UHFFFAOYSA-N Synonym: 1,2,4-thiadiazole, 3-bromo-5-chloro, 1,2,4-thiadiazole,3-bromo-5-chloro, 3-bromo-5-chloro-1,2,4 thiadiazol, 3-bromo-5-chloro-1,2,4 thiadiazole PubChem CID: 2725053 IUPAC Name: 3-bromo-5-chloro-1,2,4-thiadiazole SMILES: ClC1=NC(Br)=NS1

Alfa Aesar™ 2,4,6,8-Tetrachloroquinazoline, 97%

Alfa Aesar™ 2,4,6,8-Tetrachloroquinazoline, 97%

CAS: 54185-42-1 Molecular Formula: C8H2Cl4N2 Molecular Weight (g/mol): 267.918 MDL Number: MFCD03844695 InChI Key: GYUFSVVBAINEBI-UHFFFAOYSA-N Synonym: quinazoline, 2,4,6,8-tetrachloro PubChem CID: 12703363 IUPAC Name: 2,4,6,8-tetrachloroquinazoline SMILES: C1=C(C=C2C(=C1Cl)N=C(N=C2Cl)Cl)Cl

Alfa Aesar™ 4,5-Dichloroimidazole, 98%

Alfa Aesar™ 4,5-Dichloroimidazole, 98%

CAS: 15965-30-7 Molecular Formula: C3H2Cl2N2 Molecular Weight (g/mol): 136.96 MDL Number: MFCD00005195 InChI Key: QAJJXHRQPLATMK-UHFFFAOYSA-N Synonym: 1h-imidazole, 4,5-dichloro, 1h-imidazole,4,5-dichloro, 3,4-dichloro-2h-pyrazole, 4,5-dichlorimidazole, 4,5-dichloroimidazole, acmc-1bqkp, ksc530c6j, pubchem12880, qajjxhrqplatmk-uhfffaoysa PubChem CID: 140018 IUPAC Name: 4,5-dichloro-1H-imidazole SMILES: ClC1=C(Cl)N=CN1

Alfa Aesar™ 1,2-Dichlorobenzene, HPLC Grade, 98% min

Alfa Aesar™ 1,2-Dichlorobenzene, HPLC Grade, 98% min

CAS: 95-50-1 Molecular Formula: C6H4Cl2 Molecular Weight (g/mol): 146.998 MDL Number: MFCD00000535 InChI Key: RFFLAFLAYFXFSW-UHFFFAOYSA-N Synonym: 2-dichlorobenzene, benzene, 1,2-dichloro, chloroben, cloroben, dilantin db, o-dichlorbenzol, o-dichlorobenzene, o-dichlorobenzol, odcb, ortho-dichlorobenzene PubChem CID: 7239 ChEBI: CHEBI:35290 IUPAC Name: 1,2-dichlorobenzene SMILES: C1=CC=C(C(=C1)Cl)Cl

Alfa Aesar™ 5-Chloro-1,3-dimethyl-1H-pyrazole-4-sulfonamide

Alfa Aesar™ 5-Chloro-1,3-dimethyl-1H-pyrazole-4-sulfonamide

CAS: 88398-46-3 Molecular Formula: C5H8ClN3O2S Molecular Weight (g/mol): 209.65 MDL Number: MFCD00105874 InChI Key: NYDANSQFEDVGJL-UHFFFAOYSA-N Synonym: 1h-pyrazole-4-sulfonamide,5-chloro-1,3-dimethyl, 5-chloro-1,3-dimethyl-1h-pyrazole-4-sulfonamide, chlorodimethylpyrazolesulfonamide PubChem CID: 1486209 IUPAC Name: 5-chloro-1,3-dimethylpyrazole-4-sulfonamide SMILES: CN1N=C(C)C(=C1Cl)S(N)(=O)=O

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