Thiadiazoles

Sulfamethizole 98.0+%, TCI America™

CAS: 144-82-1 Molecular Formula: C9H10N4O2S2 Molecular Weight (g/mol): 270.325 MDL Number: MFCD00053363 InChI Key: VACCAVUAMIDAGB-UHFFFAOYSA-N PubChem CID: 5328 ChEBI: CHEBI:9331 IUPAC Name: 4-amino-N-(5-methyl-1,3,4-thiadiazol-2-yl)benzenesulfonamide SMILES: CC1=NN=C(S1)NS(=O)(=O)C2=CC=C(C=C2)N

SCH 202676 hydrobromide, Tocris Bioscience™ Available on GSA/VA Contract for Federal Government customers only.

CAS: 265980-25-4 Molecular Formula: C15H14BrN3S Molecular Weight (g/mol): 348.262 InChI Key: YJYGOWVFDGULLL-UHFFFAOYSA-N Synonym: n-2,3-diphenyl-1,2,4-thiadiazol-5 2h-ylidene methanamine hydrobromide PubChem CID: 11957689 IUPAC Name: N-methyl-2,3-diphenyl-1,2,4-thiadiazol-5-imine;hydrobromide SMILES: CN=C1N=C(N(S1)C2=CC=CC=C2)C3=CC=CC=C3.Br

Alfa Aesar™ Ethyl 1,2,3-thiadiazole-4-carboxylate, 97%

CAS: 3989-36-4 Molecular Formula: C5H6N2O2S Molecular Weight (g/mol): 158.175 MDL Number: MFCD00052100 InChI Key: FBUHTNOJXVICFM-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-4-carboxylicacid, ethyl ester PubChem CID: 254337 IUPAC Name: ethyl thiadiazole-4-carboxylate SMILES: CCOC(=O)C1=CSN=N1

4-Phenyl-1,2,3-thiadiazole-5-carboxylic acid, 97%, Maybridge

CAS: 78875-63-5 Molecular Formula: C9H6N2O2S Molecular Weight (g/mol): 206.219 MDL Number: MFCD00052216 InChI Key: DQZLGXDVESJWKA-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carboxylic acid, 4-phenyl PubChem CID: 2737167 IUPAC Name: 4-phenylthiadiazole-5-carboxylic acid SMILES: C1=CC=C(C=C1)C2=C(SN=N2)C(=O)O

2,5-Dimercapto-1,3,4-thiadiazole 98%, ACROS Organics™

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.23 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2,5-dithiol PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: C1(=S)NNC(=S)S1

Alfa Aesar™ 4-Methyl-1,2,3-thiadiazole-5-carboxylic acid, 98%

CAS: 18212-21-0 Molecular Formula: C4H4N2O2S Molecular Weight (g/mol): 144.148 MDL Number: MFCD00173830 InChI Key: NHHQOYLPBUYHQU-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl PubChem CID: 1381992 IUPAC Name: 4-methylthiadiazole-5-carboxylic acid SMILES: CC1=C(SN=N1)C(=O)O

Alfa Aesar™ 2-Mercapto-5-methyl-1,3,4-thiadiazole, 99%

CAS: 29490-19-5 Molecular Formula: C3H4N2S2 Molecular Weight (g/mol): 132.199 MDL Number: MFCD00038349 InChI Key: FPVUWZFFEGYCGB-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2 3h-thione, 5-methyl PubChem CID: 1810203 IUPAC Name: 5-methyl-3H-1,3,4-thiadiazole-2-thione SMILES: CC1=NNC(=S)S1

Alfa Aesar™ Ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate, 98+%

CAS: 6440-02-4 Molecular Formula: C5H7N3O2S Molecular Weight (g/mol): 173.19 MDL Number: MFCD00778317 InChI Key: ZUGOHJWUTNKRMG-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-4-carboxylic acid, 5-amino-, ethyl ester PubChem CID: 1831000 IUPAC Name: ethyl 5-aminothiadiazole-4-carboxylate SMILES: CCOC(=O)C1=C(SN=N1)N

Alfa Aesar™ 1,2,3-Thiadiazole-4-carboxylic acid, 97%

CAS: 4100-13-4 Molecular Formula: C3H2N2O2S Molecular Weight (g/mol): 130.121 MDL Number: MFCD00052099 InChI Key: HJZYBDPHAHGHAZ-UHFFFAOYSA-N Synonym: 1 pound not2 pound not3 thiadiazole-4-carboxylicacid PubChem CID: 351418 IUPAC Name: thiadiazole-4-carboxylic acid SMILES: C1=C(N=NS1)C(=O)O

Alfa Aesar™ 3-Chloro-4-(3-pyridyl)-1,2,5-thiadiazole, 95%

CAS: 131986-28-2 Molecular Formula: C7H4ClN3S Molecular Weight (g/mol): 197.64 MDL Number: MFCD03066187 InChI Key: CMPNWGQBNRHIQZ-UHFFFAOYSA-N Synonym: 3-3-chloro-1,2,5-thiadiazol-4-yl pyridine PubChem CID: 10488164 IUPAC Name: 3-chloro-4-pyridin-3-yl-1,2,5-thiadiazole SMILES: C1=CC(=CN=C1)C2=NSN=C2Cl

Alfa Aesar™ 5-Methylthio-1,3,4-thiadiazole-2-thiol, 97%

CAS: 6264-40-0 Molecular Formula: C3H4N2S3 Molecular Weight (g/mol): 164.259 MDL Number: MFCD00051648 InChI Key: CFWGYKRJMYXYND-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2 3h-thione, 5-methylthio PubChem CID: 1241233 IUPAC Name: 5-methylsulfanyl-3H-1,3,4-thiadiazole-2-thione SMILES: CSC1=NNC(=S)S1

Alfa Aesar™ 5-Mercapto-3-phenyl-1,3,4-thiadiazole-2(3H)thione potassium salt

CAS: 6336-51-2 Molecular Formula: C8H5KN2S3 Molecular Weight (g/mol): 264.42 MDL Number: MFCD00014092 InChI Key: QSKDCVGFAPHSHX-UHFFFAOYSA-M Synonym: 1,3,4-thiadiazolidine-2,5-dithione, 3-phenyl-, potassium salt PubChem CID: 2775614 IUPAC Name: potassium;4-phenyl-5-sulfanylidene-1,3,4-thiadiazole-2-thiolate SMILES: C1=CC=C(C=C1)N2C(=S)SC(=N2)[S-].[K+]

Alfa Aesar™ 4-Methyl-1,2,3-thiadiazole-5-methanol, 99%

CAS: 163008-86-4 Molecular Formula: C4H6N2OS Molecular Weight (g/mol): 130.165 MDL Number: MFCD07371384 InChI Key: MQLRVKHKJCRSBO-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-methanol, 4-methyl PubChem CID: 18411623 IUPAC Name: (4-methylthiadiazol-5-yl)methanol SMILES: CC1=C(SN=N1)CO

Alfa Aesar™ 2,5-Dimethyl-1,3,4-thiadiazole, 99+%

CAS: 27464-82-0 Molecular Formula: C4H6N2S Molecular Weight (g/mol): 114.166 MDL Number: MFCD00020722 InChI Key: JXQGICFGPUAVLJ-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole, 2,5-dimethyl PubChem CID: 96922 IUPAC Name: 2,5-dimethyl-1,3,4-thiadiazole SMILES: CC1=NN=C(S1)C

Alfa Aesar™ 4-Phenyl-1,2,3-thiadiazole

CAS: 25445-77-6 Molecular Formula: C8H6N2S Molecular Weight (g/mol): 162.21 MDL Number: MFCD00087232 InChI Key: AWPNFXRMNNPKDW-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole, 4-phenyl PubChem CID: 270010 IUPAC Name: 4-phenylthiadiazole SMILES: C1=CC=C(C=C1)C2=CSN=N2

Alfa Aesar™ 3-Amino-5-phenyl-1,2,4-thiadiazole, 96%

CAS: 27182-54-3 Molecular Formula: C8H7N3S Molecular Weight (g/mol): 177.225 MDL Number: MFCD00159799 InChI Key: WOZDQVLZCXNJPY-UHFFFAOYSA-N Synonym: # PubChem CID: 554203 IUPAC Name: 5-phenyl-1,2,4-thiadiazol-3-amine SMILES: C1=CC=C(C=C1)C2=NC(=NS2)N

Alfa Aesar™ 2-Mercapto-1,3,4-thiadiazole, 98%

CAS: 18686-82-3 Molecular Formula: C2H2N2S2 Molecular Weight (g/mol): 118.172 MDL Number: MFCD00040404 InChI Key: JLAMDELLBBZOOX-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazol-2-yl hydrosulfide PubChem CID: 3034302 IUPAC Name: 3H-1,3,4-thiadiazole-2-thione SMILES: C1=NNC(=S)S1

Alfa Aesar™ 2,5-Dimercapto-1,3,4-thiadiazole, 98%

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.232 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2,5-dithiol PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: C1(=S)NNC(=S)S1

Alfa Aesar™ 4,5-Diphenyl-1,2,3-thiadiazole, 97%

CAS: 5393-99-7 Molecular Formula: C14H10N2S Molecular Weight (g/mol): 238.308 MDL Number: MFCD00082687 InChI Key: QVGVWLHVMVQIQI-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole, 4,5-diphenyl PubChem CID: 220169 IUPAC Name: 4,5-diphenylthiadiazole SMILES: C1=CC=C(C=C1)C2=C(SN=N2)C3=CC=CC=C3

Alfa Aesar™ 2,5-Dimercapto-1,3,4-thiadiazole dipotassium salt, 97%

CAS: 4628-94-8 Molecular Formula: C2K2N2S3 Molecular Weight (g/mol): 226.413 MDL Number: MFCD00003104 InChI Key: GPWLFGDMYSVEGN-UHFFFAOYSA-L Synonym: 1,3,4-thiadiazole-2,5-dithiol dipotassium salt PubChem CID: 78364 IUPAC Name: dipotassium;1,3,4-thiadiazole-2,5-dithiolate SMILES: C1(=NN=C(S1)[S-])[S-].[K+].[K+]

Alfa Aesar™ 4-(4-Nitrophenyl)-1,2,3-thiadiazole, 97%

CAS: 82894-98-2 Molecular Formula: C8H5N3O2S Molecular Weight (g/mol): 207.207 MDL Number: MFCD00052103 InChI Key: VLRKUBATYOJPSP-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole,4-4-nitrophenyl PubChem CID: 560748 IUPAC Name: 4-(4-nitrophenyl)thiadiazole SMILES: C1=CC(=CC=C1C2=CSN=N2)[N+](=O)[O-]

4-Methyl-1,2,3-thiadiazole-5-carbonyl chloride, Maybridge

CAS: 59944-65-9 Molecular Formula: C4H3ClN2OS Molecular Weight (g/mol): 162.591 InChI Key: SDNDOCTUXWLDIX-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carbonyl chloride, 4-methyl-9ci PubChem CID: 2736982 IUPAC Name: 4-methylthiadiazole-5-carbonyl chloride SMILES: CC1=C(SN=N1)C(=O)Cl

Alfa Aesar™ Ethyl 4-methyl-1,2,3-thiadiazole-5-carboxylate, 98%

CAS: 18212-20-9 Molecular Formula: C6H8N2O2S Molecular Weight (g/mol): 172.202 MDL Number: MFCD00052549 InChI Key: AHPXTXGCMLOXGA-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl-, ethyl ester PubChem CID: 2758878 IUPAC Name: ethyl 4-methylthiadiazole-5-carboxylate SMILES: CCOC(=O)C1=C(N=NS1)C

5-Amino-1,2,4-thiadiazole, 97%, Acros Organics

CAS: 7552-07-0 Molecular Formula: C2H3N3S Molecular Weight (g/mol): 101.13 InChI Key: VJHTZTZXOKVQRN-UHFFFAOYSA-N Synonym: 1,2,4-thiadiazol-5-ylamine PubChem CID: 290274 IUPAC Name: 1,2,4-thiadiazol-5-amine SMILES: C1=NSC(=N1)N

Alfa Aesar™ (5-Mercapto-1,3,4-thiadiazol-2-ylthio)acetic acid, 96%

CAS: 53723-88-9 Molecular Formula: C4H4N2O2S3 Molecular Weight (g/mol): 208.268 MDL Number: MFCD00129970 InChI Key: UJBXVTJYSIDCIE-UHFFFAOYSA-N Synonym: 2-5-mercapto-1,3,4-thiadiazol-2-yl thio acetic acid PubChem CID: 1714399 IUPAC Name: 2-[(2-sulfanylidene-3H-1,3,4-thiadiazol-5-yl)sulfanyl]acetic acid SMILES: C(C(=O)O)SC1=NNC(=S)S1

Alfa Aesar™ 5-Phenyl-1,3,4-thiadiazole-2-thiol, 96%

CAS: 5585-19-3 Molecular Formula: C8H6N2S2 Molecular Weight (g/mol): 194.27 MDL Number: MFCD01681863 InChI Key: ZTLMHGOWADYAHM-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2-thiol, 5-phenyl PubChem CID: 3035373 IUPAC Name: 5-phenyl-3H-1,3,4-thiadiazole-2-thione SMILES: C1=CC=C(C=C1)C2=NNC(=S)S2

4-Methyl-1,2,3-thiadiazole-5-carboxylic acid, 97%, Maybridge

CAS: 18212-21-0 Molecular Formula: C4H4N2O2S Molecular Weight (g/mol): 144.148 MDL Number: MFCD00173830 InChI Key: NHHQOYLPBUYHQU-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl PubChem CID: 1381992 IUPAC Name: 4-methylthiadiazole-5-carboxylic acid SMILES: CC1=C(SN=N1)C(=O)O

Alfa Aesar™ 3-Amino-5-(3,4-dimethoxyphenyl)-1,2,4-thiadiazole, 96%

CAS: 1086385-71-8 Molecular Formula: C10H11N3O2S Molecular Weight (g/mol): 237.277 MDL Number: MFCD11655557 InChI Key: WDEDMMNPBVPGJS-UHFFFAOYSA-N Synonym: 3-amino-5-3,4-dimethoxyphenyl-1,2,4-thiadiazole PubChem CID: 46741378 IUPAC Name: 5-(3,4-dimethoxyphenyl)-1,2,4-thiadiazol-3-amine SMILES: COC1=C(C=C(C=C1)C2=NC(=NS2)N)OC

Bismuthiol 95.0+%, TCI America™

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.232 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2,5-dithiol PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: C1(=S)NNC(=S)S1

5-Amino-1,2,3-thiadiazole 98.0+%, TCI America™

CAS: 4100-41-8 Molecular Formula: C2H3N3S Molecular Weight (g/mol): 101.127 MDL Number: MFCD00082810 InChI Key: PVGHNTXQMCYYGF-UHFFFAOYSA-N PubChem CID: 77736 IUPAC Name: thiadiazol-5-amine SMILES: C1=C(SN=N1)N

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