Thiadiazoles

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

1 – 15 of 31 results

2,5-Dimercapto-1,3,4-thiadiazole, 97% (dry wt.), water <3%, Thermo Scientific Chemicals

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,2,5-dimercapto-1,3,4-thiadiazole,bismuthiol i,dimercaptothiadiazole,bismuththiol,2,5-dimercaptothiadiazole,usaf a-8354,bismuthiol,py 61h,bismuththiol i PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: S=C1NNC(=S)S1

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Specifications

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

2,5-Dimercapto-1,3,4-thiadiazole, 98%, Thermo Scientific Chemicals

Pricing and Availability
Specifications

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

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

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Specifications

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

2,5-Dimercapto-1,3,4-thiadiazole dipotassium salt, 97%, Thermo Scientific Chemicals

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

Pricing and Availability
Specifications

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

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

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Specifications

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

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

Pricing and Availability
Specifications

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

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

Pricing and Availability
Specifications

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

5-Phenyl-1,3,4-thiadiazole-2-thiol, 96%, Thermo Scientific Chemicals

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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

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Specifications

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

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

Pricing and Availability
Specifications

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

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

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Specifications

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

3-Chloro-4-(pyridin-3-yl)-1,2,5-thiadiazole, Thermo Scientific™

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5-Amino-1,2,4-thiadiazole, 97%, Thermo Scientific Chemicals

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

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Specifications

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

2-Mercapto-1,3,4-thiadiazole, 98%, Thermo Scientific Chemicals

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

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Specifications

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

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

Pricing and Availability
Specifications

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

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