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Thiadiazoles

Organic heterocyclic compounds that consist of an azole with one sulfur and two nitrogen atoms.

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1

4-(1,2,3-Thiadiazol-4-yl)benzamide, 95%, Thermo Scientific™

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

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

1,2,3-Thiadiazole-4-carboxylic acid, 97%, Thermo Scientific™

CAS: 4100-13-4 Molecular Formula: C3H2N2O2S Molecular Weight (g/mol): 130.121 MDL Number: MFCD00052099 InChI Key: HJZYBDPHAHGHAZ-UHFFFAOYSA-N Synonym: 1,2,3-thiadiazole-4-carboxylic acid,1,2,3 thiadiazole-4-carboxylic acid,thiadiazolecarboxylicacid,4-carboxy-1,2,3-thiadiazole,1,2,3-thiadiazole4-carboxylic acid,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

PubChem CID 351418
CAS 4100-13-4
Molecular Weight (g/mol) 130.121
MDL Number MFCD00052099
SMILES C1=C(N=NS1)C(=O)O
Synonym 1,2,3-thiadiazole-4-carboxylic acid,1,2,3 thiadiazole-4-carboxylic acid,thiadiazolecarboxylicacid,4-carboxy-1,2,3-thiadiazole,1,2,3-thiadiazole4-carboxylic acid,1 pound not2 pound not3 thiadiazole-4-carboxylicacid
IUPAC Name thiadiazole-4-carboxylic acid
InChI Key HJZYBDPHAHGHAZ-UHFFFAOYSA-N
Molecular Formula C3H2N2O2S
3

4-Methyl-1,2,3-thiadiazole-5-carboxylic acid, 97%, Thermo Scientific™

CAS: 18212-21-0 Molecular Formula: C4H3N2O2S Molecular Weight (g/mol): 143.14 MDL Number: MFCD00173830 InChI Key: NHHQOYLPBUYHQU-UHFFFAOYSA-M Synonym: 4-methyl-1,2,3-thiadiazole-5-carboxylic acid,4-methyl-1,2,3 thiadiazole-5-carboxylic acid,1,2,3-thiadiazole-5-carboxylic acid, 4-methyl,pubchem10092,acmc-209xfo,4-methyl-1,2,3-thiadiazole-5-carboxylicacid,tos-bb-0050,4-methyl-1,2,3 thiadiazol-5-carboxylic acid,4-methyl-5-hydroxycarbonyl-1,2,3-thiadiazole,4methyl-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

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

4-Methyl-1,2,3-thiadiazole-5-carbonyl chloride, Thermo Scientific™

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

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

3-Chloro-4-(3-pyridyl)-1,2,5-thiadiazole, 95%, Thermo Scientific Chemicals

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-pyridin-3-yl-1,2,5-thiadiazole,3-chloro-4-3-pyridyl-1,2,5-thiadiazole,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,3-3-chloro-1,2,5-thiadiazol-4yl pyridine,3-3-chloro-1,2,5-thiadiazol-4-yl pyridine,acmc-1bz6y,ksc497a5t,3-chloro-4-pyrid-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

PubChem CID 10488164
CAS 131986-28-2
Molecular Weight (g/mol) 197.64
MDL Number MFCD03066187
SMILES ClC1=NSN=C1C1=CN=CC=C1
Synonym 3-chloro-4-pyridin-3-yl-1,2,5-thiadiazole,3-chloro-4-3-pyridyl-1,2,5-thiadiazole,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,3-3-chloro-1,2,5-thiadiazol-4yl pyridine,3-3-chloro-1,2,5-thiadiazol-4-yl pyridine,acmc-1bz6y,ksc497a5t,3-chloro-4-pyrid-3-yl-1,2,5-thiadiazole
IUPAC Name 3-chloro-4-pyridin-3-yl-1,2,5-thiadiazole
InChI Key CMPNWGQBNRHIQZ-UHFFFAOYSA-N
Molecular Formula C7H4ClN3S
6

4-Phenyl-1,2,3-thiadiazole-5-carboxylic acid, 97%, Thermo Scientific™

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-carboxylic acid, 4-phenyl,4-phenyl-5-thiadiazolecarboxylic acid,5-carboxy-4-phenyl-1,2,3-thiadiazole,4-phenyl-1,2,3-thiadiazol-5-carboxylic acid,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 PubChem CID: 2737167 IUPAC Name: 4-phenylthiadiazole-5-carboxylic acid SMILES: C1=CC=C(C=C1)C2=C(SN=N2)C(=O)O

PubChem CID 2737167
CAS 78875-63-5
Molecular Weight (g/mol) 206.219
MDL Number MFCD00052216
SMILES C1=CC=C(C=C1)C2=C(SN=N2)C(=O)O
Synonym 4-phenyl-1,2,3-thiadiazole-5-carboxylic acid,1,2,3-thiadiazole-5-carboxylic acid, 4-phenyl,4-phenyl-5-thiadiazolecarboxylic acid,5-carboxy-4-phenyl-1,2,3-thiadiazole,4-phenyl-1,2,3-thiadiazol-5-carboxylic acid,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
IUPAC Name 4-phenylthiadiazole-5-carboxylic acid
InChI Key DQZLGXDVESJWKA-UHFFFAOYSA-N
Molecular Formula C9H6N2O2S
7

2-Ethylthio-1,3,4-thiadiazole-5-thiol, 97%, Thermo Scientific Chemicals

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

PubChem CID 1201366
CAS 37147-15-2
Molecular Weight (g/mol) 178.29
MDL Number MFCD00186131
SMILES CCSC1=NNC(=S)S1
Synonym 2-ethylthio-1,3,4-thiadiazole-5-thiol,5-ethylthio-1,3,4-thiadiazole-2-thiol,5-ethylsulfanyl-1,3,4-thiadiazole-2-thiol,2-ethylthio-1,3,4-thiazole-5-thiol,5-ethylthio-1,3,4-thiadiazole-2 3h-thione,5-ethylsulfanyl-1,3,4-thiadiazole-2 3h-thione,acmc-1cszq,5-ethylthio-3h-1,3,4-thiadiazole-2-thione
IUPAC Name 5-ethylsulfanyl-3H-1,3,4-thiadiazole-2-thione
InChI Key JLJYQXMUUKOBBO-UHFFFAOYSA-N
Molecular Formula C4H6N2S3
9

4-Phenyl-1,2,3-thiadiazole, Thermo Scientific™

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

PubChem CID 270010
CAS 25445-77-6
Molecular Weight (g/mol) 162.21
MDL Number MFCD00087232
SMILES C1=CC=C(C=C1)C2=CSN=N2
IUPAC Name 4-phenylthiadiazole
InChI Key AWPNFXRMNNPKDW-UHFFFAOYSA-N
Molecular Formula C8H6N2S
10

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

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

PubChem CID 96922
CAS 27464-82-0
Molecular Weight (g/mol) 114.166
MDL Number MFCD00020722
SMILES CC1=NN=C(S1)C
IUPAC Name 2,5-dimethyl-1,3,4-thiadiazole
InChI Key JXQGICFGPUAVLJ-UHFFFAOYSA-N
Molecular Formula C4H6N2S
11

4,5-Diphenyl-1,2,3-thiadiazole, 97%, Thermo Scientific™

CAS: 5393-99-7 Molecular Formula: C14H10N2S Molecular Weight (g/mol): 238.31 MDL Number: MFCD00082687 InChI Key: QVGVWLHVMVQIQI-UHFFFAOYSA-N Synonym: 4,5-diphenyl-1,2,3-thiadiazole,4,5-diphenyl-1,2,3 thiadiazole,diphenyl-1,2,3-thiadiazole,1,2,3-thiadiazole, 4,5-diphenyl,4,2,3-thiadiazole,acmc-1aqjk,maybridge1_007621,4,5-diphenyl-1,2,3-thiadiazol,1,3-thiadiazole, 4,5-diphenyl,4,5-di-phenyl-1,2,3-thiadiazole PubChem CID: 220169 IUPAC Name: 4,5-diphenylthiadiazole SMILES: S1N=NC(=C1C1=CC=CC=C1)C1=CC=CC=C1

PubChem CID 220169
CAS 5393-99-7
Molecular Weight (g/mol) 238.31
MDL Number MFCD00082687
SMILES S1N=NC(=C1C1=CC=CC=C1)C1=CC=CC=C1
Synonym 4,5-diphenyl-1,2,3-thiadiazole,4,5-diphenyl-1,2,3 thiadiazole,diphenyl-1,2,3-thiadiazole,1,2,3-thiadiazole, 4,5-diphenyl,4,2,3-thiadiazole,acmc-1aqjk,maybridge1_007621,4,5-diphenyl-1,2,3-thiadiazol,1,3-thiadiazole, 4,5-diphenyl,4,5-di-phenyl-1,2,3-thiadiazole
IUPAC Name 4,5-diphenylthiadiazole
InChI Key QVGVWLHVMVQIQI-UHFFFAOYSA-N
Molecular Formula C14H10N2S
12

4-(4-Nitrophenyl)-1,2,3-thiadiazole, 97%, Thermo Scientific™

CAS: 82894-98-2 Molecular Formula: C8H5N3O2S Molecular Weight (g/mol): 207.21 MDL Number: MFCD00052103 InChI Key: VLRKUBATYOJPSP-UHFFFAOYSA-N Synonym: 4-4-nitrophenyl-1,2,3-thiadiazole,4-4-nitrophenyl thiadiazole,maybridge1_007347,1,2,3-thiadiazole,4-4-nitrophenyl,4-4-nitro-phenyl-1,2,3 thiadiazole PubChem CID: 560748 IUPAC Name: 4-(4-nitrophenyl)thiadiazole SMILES: [O-][N+](=O)C1=CC=C(C=C1)C1=CSN=N1

PubChem CID 560748
CAS 82894-98-2
Molecular Weight (g/mol) 207.21
MDL Number MFCD00052103
SMILES [O-][N+](=O)C1=CC=C(C=C1)C1=CSN=N1
Synonym 4-4-nitrophenyl-1,2,3-thiadiazole,4-4-nitrophenyl thiadiazole,maybridge1_007347,1,2,3-thiadiazole,4-4-nitrophenyl,4-4-nitro-phenyl-1,2,3 thiadiazole
IUPAC Name 4-(4-nitrophenyl)thiadiazole
InChI Key VLRKUBATYOJPSP-UHFFFAOYSA-N
Molecular Formula C8H5N3O2S
13

Ethyl 1,2,3-thiadiazole-4-carboxylate, 97%, Thermo Scientific™

CAS: 3989-36-4 Molecular Formula: C5H6N2O2S Molecular Weight (g/mol): 158.175 MDL Number: MFCD00052100 InChI Key: FBUHTNOJXVICFM-UHFFFAOYSA-N Synonym: ethyl 1,2,3-thiadiazole-4-carboxylate,acmc-209wkn,maybridge1_007257,4-thiadiazolecarboxylic acid ethyl ester,ethyl 1,2,3-thiadiazol-4-ylcarboxylate,1,2,3-thiadiazole-4-carboxylicacid, ethyl ester PubChem CID: 254337 IUPAC Name: ethyl thiadiazole-4-carboxylate SMILES: CCOC(=O)C1=CSN=N1

PubChem CID 254337
CAS 3989-36-4
Molecular Weight (g/mol) 158.175
MDL Number MFCD00052100
SMILES CCOC(=O)C1=CSN=N1
Synonym ethyl 1,2,3-thiadiazole-4-carboxylate,acmc-209wkn,maybridge1_007257,4-thiadiazolecarboxylic acid ethyl ester,ethyl 1,2,3-thiadiazol-4-ylcarboxylate,1,2,3-thiadiazole-4-carboxylicacid, ethyl ester
IUPAC Name ethyl thiadiazole-4-carboxylate
InChI Key FBUHTNOJXVICFM-UHFFFAOYSA-N
Molecular Formula C5H6N2O2S
14

Ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate, 98+%, Thermo Scientific Chemicals

CAS: 6440-02-4 Molecular Formula: C5H7N3O2S Molecular Weight (g/mol): 173.19 MDL Number: MFCD00778317 InChI Key: ZUGOHJWUTNKRMG-UHFFFAOYSA-N Synonym: ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate,5-amino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester,1,2,3-thiadiazole-4-carboxylic acid, 5-amino-, ethyl ester,5-amino-1,2,3 thiadiazole-4-carboxylic acid ethyl ester,acmc-20am6n,tos-bb-0200,zugohjwutnkrmg-uhfffaoysa,5-amino-4-carbethoxy-1,2,3-thiadiazole,5-amino-4-ethoxycarbonyl-1,2,3-thiadiazole,1,2,3-thiadiazole-4-carboxylicacid,5-amino-,ethylester PubChem CID: 1831000 IUPAC Name: ethyl 5-aminothiadiazole-4-carboxylate SMILES: CCOC(=O)C1=C(SN=N1)N

PubChem CID 1831000
CAS 6440-02-4
Molecular Weight (g/mol) 173.19
MDL Number MFCD00778317
SMILES CCOC(=O)C1=C(SN=N1)N
Synonym ethyl 5-amino-1,2,3-thiadiazole-4-carboxylate,5-amino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester,1,2,3-thiadiazole-4-carboxylic acid, 5-amino-, ethyl ester,5-amino-1,2,3 thiadiazole-4-carboxylic acid ethyl ester,acmc-20am6n,tos-bb-0200,zugohjwutnkrmg-uhfffaoysa,5-amino-4-carbethoxy-1,2,3-thiadiazole,5-amino-4-ethoxycarbonyl-1,2,3-thiadiazole,1,2,3-thiadiazole-4-carboxylicacid,5-amino-,ethylester
IUPAC Name ethyl 5-aminothiadiazole-4-carboxylate
InChI Key ZUGOHJWUTNKRMG-UHFFFAOYSA-N
Molecular Formula C5H7N3O2S
15

5-Methylthio-1,3,4-thiadiazole-2-thiol, 97%, Thermo Scientific™

CAS: 6264-40-0 Molecular Formula: C3H4N2S3 Molecular Weight (g/mol): 164.259 MDL Number: MFCD00051648 InChI Key: CFWGYKRJMYXYND-UHFFFAOYSA-N Synonym: 5-methylthio-1,3,4-thiadiazole-2-thiol,2-mercapto-5-methylthio-1,3,4-thiadiazole,1,3,4-thiadiazole-2 3h-thione, 5-methylthio,5-methylsulfanyl-1,3,4-thiadiazole-2-thiol,5-methylthio-1,3,4-thiadiazole-2 3h-thione,5-methylsulfanyl-3h-1,3,4-thiadiazole-2-thione,maybridge1_000055,acmc-1b665,2-methylthio-1,3,4-thiadiazole-5-thiol PubChem CID: 1241233 IUPAC Name: 5-methylsulfanyl-3H-1,3,4-thiadiazole-2-thione SMILES: CSC1=NNC(=S)S1

PubChem CID 1241233
CAS 6264-40-0
Molecular Weight (g/mol) 164.259
MDL Number MFCD00051648
SMILES CSC1=NNC(=S)S1
Synonym 5-methylthio-1,3,4-thiadiazole-2-thiol,2-mercapto-5-methylthio-1,3,4-thiadiazole,1,3,4-thiadiazole-2 3h-thione, 5-methylthio,5-methylsulfanyl-1,3,4-thiadiazole-2-thiol,5-methylthio-1,3,4-thiadiazole-2 3h-thione,5-methylsulfanyl-3h-1,3,4-thiadiazole-2-thione,maybridge1_000055,acmc-1b665,2-methylthio-1,3,4-thiadiazole-5-thiol
IUPAC Name 5-methylsulfanyl-3H-1,3,4-thiadiazole-2-thione
InChI Key CFWGYKRJMYXYND-UHFFFAOYSA-N
Molecular Formula C3H4N2S3