CAS: 18212-21-0 Molecular Formula: C4H3N2O2S Molecular Weight (g/mol): 143.14 MDL Number: MFCD00173830 InChI Key: NHHQOYLPBUYHQU-UHFFFAOYSA-M Synonym: 4methyl-1,2,3 thiadiazole-5-carboxylic acid, 4-methyl-5-hydroxycarbonyl-1,2,3-thiadiazole, 4-methyl-1,2,3 thiadiazol-5-carboxylic acid, tos-bb-0050, 4-methyl-1,2,3-thiadiazole-5-carboxylicacid, acmc-209xfo, pubchem10092, 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl, 4-methyl-1,2,3 thiadiazole-5-carboxylic acid, 4-methyl-1,2,3-thiadiazole-5-carboxylic acid PubChem CID: 1381992 IUPAC Name: 4-methylthiadiazole-5-carboxylic acid SMILES: CC1=C(SN=N1)C([O-])=O

CAS: 18212-21-0 Molecular Formula: C4H3N2O2S Molecular Weight (g/mol): 143.14 MDL Number: MFCD00173830 InChI Key: NHHQOYLPBUYHQU-UHFFFAOYSA-M Synonym: 4methyl-1,2,3 thiadiazole-5-carboxylic acid, 4-methyl-5-hydroxycarbonyl-1,2,3-thiadiazole, 4-methyl-1,2,3 thiadiazol-5-carboxylic acid, tos-bb-0050, 4-methyl-1,2,3-thiadiazole-5-carboxylicacid, acmc-209xfo, pubchem10092, 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl, 4-methyl-1,2,3 thiadiazole-5-carboxylic acid, 4-methyl-1,2,3-thiadiazole-5-carboxylic acid PubChem CID: 1381992 IUPAC Name: 4-methylthiadiazole-5-carboxylic acid SMILES: CC1=C(SN=N1)C([O-])=O

CAS: 175205-53-5 Molecular Formula: C9H7N3OS Molecular Weight (g/mol): 205.235 MDL Number: MFCD00173809 InChI Key: PAVNUEROKSNSDS-UHFFFAOYSA-N Synonym: benzamide,4-1,2,3-thiadiazol-4-yl, 4-thiadiazol-4-yl benzamide, maybridge1_007554, 4-1,2,3-thiadiazol-4-yl benzamide PubChem CID: 2739359 IUPAC Name: 4-(thiadiazol-4-yl)benzamide SMILES: C1=CC(=CC=C1C2=CSN=N2)C(=O)N

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, ethyl 1,2,3-thiadiazol-4-ylcarboxylate, 4-thiadiazolecarboxylic acid ethyl ester, maybridge1_007257, acmc-209wkn, ethyl 1,2,3-thiadiazole-4-carboxylate PubChem CID: 254337 IUPAC Name: ethyl thiadiazole-4-carboxylate SMILES: CCOC(=O)C1=CSN=N1

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

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.23 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: bismuththiol i, py 61h, bismuthiol, usaf a-8354, 2,5-dimercaptothiadiazole, bismuththiol, dimercaptothiadiazole, bismuthiol i, 2,5-dimercapto-1,3,4-thiadiazole, 1,3,4-thiadiazole-2,5-dithiol PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: S=C1NNC(=S)S1

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, 1,2,3-thiadiazole4-carboxylic acid, 4-carboxy-1,2,3-thiadiazole, thiadiazolecarboxylicacid, 1,2,3 thiadiazole-4-carboxylic acid, 1,2,3-thiadiazole-4-carboxylic acid PubChem CID: 351418 IUPAC Name: thiadiazole-4-carboxylic acid SMILES: C1=C(N=NS1)C(=O)O

CAS: 37147-15-2 Molecular Formula: C4H6N2S3 Molecular Weight (g/mol): 178.29 MDL Number: MFCD00186131 InChI Key: JLJYQXMUUKOBBO-UHFFFAOYSA-N Synonym: 5-ethylthio-3h-1,3,4-thiadiazole-2-thione, acmc-1cszq, 5-ethylsulfanyl-1,3,4-thiadiazole-2 3h-thione, 5-ethylthio-1,3,4-thiadiazole-2 3h-thione, 2-ethylthio-1,3,4-thiazole-5-thiol, 5-ethylsulfanyl-1,3,4-thiadiazole-2-thiol, 5-ethylthio-1,3,4-thiadiazole-2-thiol, 2-ethylthio-1,3,4-thiadiazole-5-thiol PubChem CID: 1201366 IUPAC Name: 5-ethylsulfanyl-3H-1,3,4-thiadiazole-2-thione SMILES: CCSC1=NNC(=S)S1

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

CAS: 131986-28-2 Molecular Formula: C7H4ClN3S Molecular Weight (g/mol): 197.64 MDL Number: MFCD03066187 InChI Key: CMPNWGQBNRHIQZ-UHFFFAOYSA-N Synonym: 3-chloro-4-pyrid-3-yl-1,2,5-thiadiazole, ksc497a5t, acmc-1bz6y, 3-3-chloro-1,2,5-thiadiazol-4-yl pyridine, 3-3-chloro-1,2,5-thiadiazol-4yl pyridine, 3-4-chloro-1,2,5 thiadiazol-3-yl-pyridine, pyridine, 3-4-chloro-1,2,5-thiadiazol-3-yl, 3-4-chloro-1,2,5-thiadiazol-3-yl pyridine, 3-chloro-4-3-pyridyl-1,2,5-thiadiazole, 3-chloro-4-pyridin-3-yl-1,2,5-thiadiazole PubChem CID: 10488164 IUPAC Name: 3-chloro-4-pyridin-3-yl-1,2,5-thiadiazole SMILES: ClC1=NSN=C1C1=CN=CC=C1

CAS: 59944-65-9 Molecular Formula: C4H3ClN2OS Molecular Weight (g/mol): 162.59 MDL Number: MFCD00173831 InChI Key: SDNDOCTUXWLDIX-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-5-carbonyl chloride, 4-methyl-9ci, 5-chlorocarbonyl-4-methyl-1,2,3-thiadiazole, 4-methyl-5-thiadiazolecarbonyl chloride, 4-methyl-1,2,3-thiadiazole-5-carboxylic acid chloride, 4-methyl-1,2,3 thiadiazole-5-carbonyl chloride, 1,2,3-thiadiazole-5-carbonylchloride, 4-methyl, 4-methyl-1,2,3-thiadiazole-5-carbonylchloride, 4-methyl-1,2,3-thiadiazole-5-carbonyl chloride PubChem CID: 2736982 SMILES: CC1=C(SN=N1)C(Cl)=O

CAS: 18686-82-3 Molecular Formula: C2H2N2S2 Molecular Weight (g/mol): 118.172 MDL Number: MFCD00040404 InChI Key: JLAMDELLBBZOOX-UHFFFAOYSA-N Synonym: ksc177e6p, pubchem10119, acmc-20ansd, mtd:2-mereapto-1,3,4-thiadiazole, 5-mercapto-1,3,4-thiadiazole, 1,3,4-thiadiazol-2-yl hydrosulfide, 1,3,4-thiadiazole-2 3h-thione, 2-mercapto-1,3,4-thiadiazol, 1,3,4-thiadiazole-2-thiol, 2-mercapto-1,3,4-thiadiazole PubChem CID: 3034302 IUPAC Name: 3H-1,3,4-thiadiazole-2-thione SMILES: C1=NNC(=S)S1

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.23 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: bismuththiol i, py 61h, bismuthiol, usaf a-8354, 2,5-dimercaptothiadiazole, bismuththiol, dimercaptothiadiazole, bismuthiol i, 2,5-dimercapto-1,3,4-thiadiazole, 1,3,4-thiadiazole-2,5-dithiol PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: S=C1NNC(=S)S1

CAS: 18212-20-9 Molecular Formula: C6H8N2O2S Molecular Weight (g/mol): 172.20 MDL Number: MFCD00052549 InChI Key: AHPXTXGCMLOXGA-UHFFFAOYSA-N Synonym: 4-methyl-1,2,3-thiadiazole-5-carboxylic acid ethyl ester, 4-methyl-1,2,3 thiadiazole-5-carboxylic acid ethyl ester, 4-methyl-5-thiadiazolecarboxylic acid ethyl ester, 5-ethoxycarbonyl-4-methyl-1,2,3-thiadiazole, ethylmethylthiadiazolecarboxylate, acmc-209xfp, 1,2,3-thiadiazole-5-carboxylic acid, 4-methyl-, ethyl ester, 4-methyl-1,2,3-thiadiazole-5-carboxylic acid ethylester, ethyl 4-methyl-1,2,3-thiadiazole-5-carboxylate PubChem CID: 2758878 IUPAC Name: ethyl 4-methylthiadiazole-5-carboxylate SMILES: CCOC(=O)C1=C(C)N=NS1

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

CAS: 7552-07-0 Molecular Formula: C₂H₃N₃S Molecular Weight (g/mol): 101.13 InChI Key: VJHTZTZXOKVQRN-UHFFFAOYSA-N Synonym: 5-imino-1,2,4-thiadiazole, 2-amino-1,3,5-thiadiazole, 1,4-thiadiazole, 5-amino, 1,2,4-thiadiazole-5-amine, acmc-1blyp, pubchem11136, 1,2,4-thiadiazole, 5-amino, 1,2,4-thiadiazole-5-ylamine, 1,2,4-thiadiazol-5-ylamine, 5-amino-1,2,4-thiadiazole PubChem CID: 290274 IUPAC Name: 1,2,4-thiadiazol-5-amine SMILES: C1=NSC(=N1)N

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, 1,2,3-thiadiazole4-carboxylic acid, 4-carboxy-1,2,3-thiadiazole, thiadiazolecarboxylicacid, 1,2,3 thiadiazole-4-carboxylic acid, 1,2,3-thiadiazole-4-carboxylic acid PubChem CID: 351418 IUPAC Name: thiadiazole-4-carboxylic acid SMILES: C1=C(N=NS1)C(=O)O

CAS: 29490-19-5 Molecular Formula: C3H4N2S2 Molecular Weight (g/mol): 132.20 MDL Number: MFCD00038349 InChI Key: FPVUWZFFEGYCGB-UHFFFAOYSA-N Synonym: acmc-1cbwn, pubchem9932, cefazolin impurity e, d2-1,3,4-thiadiazoline-5-thione, 2-methyl, 2-methyl-5-mercapto-1,3,4-thiadiazole, 5-methyl-1,3,4-thiadiazol-2-thiol, 5-methyl-1,3,4-thiadiazole-2 3h-thione, 1,3,4-thiadiazole-2 3h-thione, 5-methyl, 5-methyl-1,3,4-thiadiazole-2-thiol, 2-mercapto-5-methyl-1,3,4-thiadiazole PubChem CID: 1810203 IUPAC Name: 5-methyl-3H-1,3,4-thiadiazole-2-thione SMILES: CC1=NNC(=S)S1