Organoheterocyclic compounds

Organic compounds that consist of ring structures, or cyclic compounds that have atoms of at least two different elements as members of its ring(s).

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2,116 – 2,130 of 218,877 results

2,116

Pyridazine, 98+%

CAS: 289-80-5 Molecular Formula: C4H4N2 Molecular Weight (g/mol): 80.09 MDL Number: MFCD00006463 InChI Key: PBMFSQRYOILNGV-UHFFFAOYSA-N Synonym: orthodiazine,1,2-diazine,o-diazine,1,2-diazabenzene,pyridazin,1,2-diazin,oizine,pyridazine,pubchem17789,acmc-209h5x PubChem CID: 9259 ChEBI: CHEBI:30954 IUPAC Name: pyridazine SMILES: C1=CC=NN=C1

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PubChem CID	9259
CAS	289-80-5
Molecular Weight (g/mol)	80.09
ChEBI	CHEBI:30954
MDL Number	MFCD00006463
SMILES	C1=CC=NN=C1
Synonym	orthodiazine,1,2-diazine,o-diazine,1,2-diazabenzene,pyridazin,1,2-diazin,oizine,pyridazine,pubchem17789,acmc-209h5x
IUPAC Name	pyridazine
InChI Key	PBMFSQRYOILNGV-UHFFFAOYSA-N
Molecular Formula	C4H4N2

2,117

3-Methylthiophene, 98+%

CAS: 616-44-4 Molecular Formula: C5H6S Molecular Weight (g/mol): 98.163 MDL Number: MFCD00005470 InChI Key: QENGPZGAWFQWCZ-UHFFFAOYSA-N Synonym: thiophene, 3-methyl,3-thiotolene,beta-methylthiophene,poly,p3mt,3-methyl thiophene,3-methyl-thiophene,methyl-3-thiophene,ccris 2937,thiophene, 3-methyl-, homopolymer PubChem CID: 12024 IUPAC Name: 3-methylthiophene SMILES: CC1=CSC=C1

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PubChem CID	12024
CAS	616-44-4
Molecular Weight (g/mol)	98.163
MDL Number	MFCD00005470
SMILES	CC1=CSC=C1
Synonym	thiophene, 3-methyl,3-thiotolene,beta-methylthiophene,poly,p3mt,3-methyl thiophene,3-methyl-thiophene,methyl-3-thiophene,ccris 2937,thiophene, 3-methyl-, homopolymer
IUPAC Name	3-methylthiophene
InChI Key	QENGPZGAWFQWCZ-UHFFFAOYSA-N
Molecular Formula	C5H6S

2,118

2-Ethynylthiophene, ≥90%, Thermo Scientific™

CAS: 4298-52-6 Molecular Formula: C6H4S Molecular Weight (g/mol): 108.16 MDL Number: MFCD03425129 InChI Key: LWISLHRIEATKTM-UHFFFAOYSA-N Synonym: 2-ethynyl-thiophene,2-thienylethine,2-thiophenylacetylene,2-thienyl acetylene,pubchem16123,thien-2-yl acetylene,thiophene, 2-ethynyl,thiophen-2-yl acetylene,2-ethynylthiophene,acmc-209js9 PubChem CID: 5246258 IUPAC Name: 2-ethynylthiophene SMILES: C#CC1=CC=CS1

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PubChem CID	5246258
CAS	4298-52-6
Molecular Weight (g/mol)	108.16
MDL Number	MFCD03425129
SMILES	C#CC1=CC=CS1
Synonym	2-ethynyl-thiophene,2-thienylethine,2-thiophenylacetylene,2-thienyl acetylene,pubchem16123,thien-2-yl acetylene,thiophene, 2-ethynyl,thiophen-2-yl acetylene,2-ethynylthiophene,acmc-209js9
IUPAC Name	2-ethynylthiophene
InChI Key	LWISLHRIEATKTM-UHFFFAOYSA-N
Molecular Formula	C6H4S

2,119

Trimethylene sulfide

CAS: 287-27-4 Molecular Formula: C3H6S Molecular Weight (g/mol): 74.14 MDL Number: MFCD00042751 InChI Key: XSROQCDVUIHRSI-UHFFFAOYSA-N IUPAC Name: thietane SMILES: C1CSC1

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CAS	287-27-4
Molecular Weight (g/mol)	74.14
MDL Number	MFCD00042751
SMILES	C1CSC1
IUPAC Name	thietane
InChI Key	XSROQCDVUIHRSI-UHFFFAOYSA-N
Molecular Formula	C3H6S

2,120

Fluorouracil, USP, 98-102%, Spectrum™ Chemical

CAS: 51-21-8 Molecular Formula: C4H3FN2O2 Molecular Weight (g/mol): 130.08 MDL Number: MFCD00006018 InChI Key: GHASVSINZRGABV-UHFFFAOYSA-N IUPAC Name: 5-fluoro-1,2,3,4-tetrahydropyrimidine-2,4-dione SMILES: FC1=CNC(=O)NC1=O

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CAS	51-21-8
Molecular Weight (g/mol)	130.08
MDL Number	MFCD00006018
SMILES	FC1=CNC(=O)NC1=O
IUPAC Name	5-fluoro-1,2,3,4-tetrahydropyrimidine-2,4-dione
InChI Key	GHASVSINZRGABV-UHFFFAOYSA-N
Molecular Formula	C4H3FN2O2

2,121

2-(2-Pyridyl)benzimidazole, 98+%

CAS: 1137-68-4 Molecular Formula: C12H9N3 Molecular Weight (g/mol): 195.23 MDL Number: MFCD00005586 InChI Key: YNFBMDWHEHETJW-UHFFFAOYSA-N Synonym: 2-2-pyridyl benzimidazole,2-pyridin-2-yl-1h-benzo d imidazole,2-pyridin-2-yl-1h-benzoimidazole,2-pyridin-2-yl-1h-1,3-benzodiazole,2-pyridin-2-yl-1h-benzimidazole,chembl72683,1h-benzimidazole, 2-pyridinyl,1h-benzimidazole, 2-2-pyridinyl,acmc-20aime,2 2-pyridyl benzimidazole PubChem CID: 70821 IUPAC Name: 2-pyridin-2-yl-1H-benzimidazole SMILES: N1C2=CC=CC=C2N=C1C1=CC=CC=N1

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Specifications

PubChem CID	70821
CAS	1137-68-4
Molecular Weight (g/mol)	195.23
MDL Number	MFCD00005586
SMILES	N1C2=CC=CC=C2N=C1C1=CC=CC=N1
Synonym	2-2-pyridyl benzimidazole,2-pyridin-2-yl-1h-benzo d imidazole,2-pyridin-2-yl-1h-benzoimidazole,2-pyridin-2-yl-1h-1,3-benzodiazole,2-pyridin-2-yl-1h-benzimidazole,chembl72683,1h-benzimidazole, 2-pyridinyl,1h-benzimidazole, 2-2-pyridinyl,acmc-20aime,2 2-pyridyl benzimidazole
IUPAC Name	2-pyridin-2-yl-1H-benzimidazole
InChI Key	YNFBMDWHEHETJW-UHFFFAOYSA-N
Molecular Formula	C12H9N3

2,122

Nitron, 95%, Thermo Scientific Chemicals

CAS: 2218-94-2 Molecular Formula: C20H16N4 Molecular Weight (g/mol): 312.376 MDL Number: MFCD00005174 InChI Key: CWGBFIRHYJNILV-UHFFFAOYSA-N Synonym: nitron,unii-90im4z883z,1,4-diphenyl-endoanilino-dihydrotriazole,1,4-diphenyl-3-phenylamino-1h-1,2,4-triazolium inner salt,1h-1,2,4-triazolium, 1,4-diphenyl-3-phenylamino-, hydroxide, inner salt,1,4-diphenyl-3-phenylazamethylene-1,2,4-triazoline,1,4-diphenyl-3-phenylamino-1,2,4-triazolium hydroxide inner salt,4h-1,2,4-triazolium, 1,4-diphenyl-3-phenylamino-, inner salt,4,5-dihydro-2,4-diphenyl-5-phenylimino-1h-1,2,4-triazolium inner salt PubChem CID: 720071 IUPAC Name: (1,4-diphenyl-1,2,4-triazol-4-ium-3-yl)-phenylazanide SMILES: C1=CC=C(C=C1)[N-]C2=NN(C=[N+]2C3=CC=CC=C3)C4=CC=CC=C4

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Specifications

PubChem CID	720071
CAS	2218-94-2
Molecular Weight (g/mol)	312.376
MDL Number	MFCD00005174
SMILES	C1=CC=C(C=C1)[N-]C2=NN(C=[N+]2C3=CC=CC=C3)C4=CC=CC=C4
Synonym	nitron,unii-90im4z883z,1,4-diphenyl-endoanilino-dihydrotriazole,1,4-diphenyl-3-phenylamino-1h-1,2,4-triazolium inner salt,1h-1,2,4-triazolium, 1,4-diphenyl-3-phenylamino-, hydroxide, inner salt,1,4-diphenyl-3-phenylazamethylene-1,2,4-triazoline,1,4-diphenyl-3-phenylamino-1,2,4-triazolium hydroxide inner salt,4h-1,2,4-triazolium, 1,4-diphenyl-3-phenylamino-, inner salt,4,5-dihydro-2,4-diphenyl-5-phenylimino-1h-1,2,4-triazolium inner salt
IUPAC Name	(1,4-diphenyl-1,2,4-triazol-4-ium-3-yl)-phenylazanide
InChI Key	CWGBFIRHYJNILV-UHFFFAOYSA-N
Molecular Formula	C20H16N4

2,123

3(5)-Phenyl-1H-pyrazole, 99+%

CAS: 2458-26-6 Molecular Formula: C9H8N2 Molecular Weight (g/mol): 144.18 MDL Number: MFCD00159654 InChI Key: OEDUIFSDODUDRK-UHFFFAOYSA-N Synonym: 3-phenyl-1h-pyrazole,3-phenylpyrazole,1h-pyrazole, 3-phenyl,pyrazole, 3-phenyl,3-benzylpyrazole,3-phenylpyrazol,phenylpyrazole,3-phenyl-2h-pyrazole,chembl38876,5-phenylpyrazole PubChem CID: 17155 IUPAC Name: 5-phenyl-1H-pyrazole SMILES: N1N=CC=C1C1=CC=CC=C1

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Specifications

PubChem CID	17155
CAS	2458-26-6
Molecular Weight (g/mol)	144.18
MDL Number	MFCD00159654
SMILES	N1N=CC=C1C1=CC=CC=C1
Synonym	3-phenyl-1h-pyrazole,3-phenylpyrazole,1h-pyrazole, 3-phenyl,pyrazole, 3-phenyl,3-benzylpyrazole,3-phenylpyrazol,phenylpyrazole,3-phenyl-2h-pyrazole,chembl38876,5-phenylpyrazole
IUPAC Name	5-phenyl-1H-pyrazole
InChI Key	OEDUIFSDODUDRK-UHFFFAOYSA-N
Molecular Formula	C9H8N2

2,124

2-Hydrazinobenzothiazole, 97%

CAS: 615-21-4 Molecular Formula: C7H7N3S Molecular Weight (g/mol): 165.214 MDL Number: MFCD00041849 InChI Key: JYSUYJCLUODSLN-UHFFFAOYSA-N Synonym: 2-hydrazinobenzothiazole,2-hydrazinylbenzo d thiazole,2-hydrazino-1,3-benzothiazole,benzothiazolohydrazine,2 3h-benzothiazolone, hydrazone,benzothiazol-2-ylhydrazine,benzothiazole, 2-hydrazino,2-benzothiazolylhydrazine,usaf ek-3967,benzothiazol-2-yl-hydrazine PubChem CID: 11988 IUPAC Name: 1,3-benzothiazol-2-ylhydrazine SMILES: C1=CC=C2C(=C1)N=C(S2)NN

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PubChem CID	11988
CAS	615-21-4
Molecular Weight (g/mol)	165.214
MDL Number	MFCD00041849
SMILES	C1=CC=C2C(=C1)N=C(S2)NN
Synonym	2-hydrazinobenzothiazole,2-hydrazinylbenzo d thiazole,2-hydrazino-1,3-benzothiazole,benzothiazolohydrazine,2 3h-benzothiazolone, hydrazone,benzothiazol-2-ylhydrazine,benzothiazole, 2-hydrazino,2-benzothiazolylhydrazine,usaf ek-3967,benzothiazol-2-yl-hydrazine
IUPAC Name	1,3-benzothiazol-2-ylhydrazine
InChI Key	JYSUYJCLUODSLN-UHFFFAOYSA-N
Molecular Formula	C7H7N3S

2,125

1H-Pyrazole-3,5-dicarboxylic acid monohydrate, 98%

CAS: 303180-11-2 Molecular Formula: C5H6N2O5 Molecular Weight (g/mol): 174.112 MDL Number: MFCD00149323 InChI Key: GLINCONFUZIMCN-UHFFFAOYSA-N Synonym: 1h-pyrazole-3,5-dicarboxylic acid hydrate,3,5-pyrazoledicarboxylic acid monohydrate,1h-pyrazole-3,5-dicarboxylic acid monohydrate,pyrazole-3,5-dicarboxylic acid, hydrate,acmc-1aezk,3,5-pyrazoledicarboxylic acid hydrate,1h-pyrazole-3,5-dicarboxylicacidmonohydrate,1h-pyrazole-3,5-dicarboxylic acid; hydrate,1h-pyrazole-3,5-dicarboxylic acid hydrate 1:1 PubChem CID: 2723723 IUPAC Name: 1H-pyrazole-3,5-dicarboxylic acid;hydrate SMILES: C1=C(NN=C1C(=O)O)C(=O)O.O

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PubChem CID	2723723
CAS	303180-11-2
Molecular Weight (g/mol)	174.112
MDL Number	MFCD00149323
SMILES	C1=C(NN=C1C(=O)O)C(=O)O.O
Synonym	1h-pyrazole-3,5-dicarboxylic acid hydrate,3,5-pyrazoledicarboxylic acid monohydrate,1h-pyrazole-3,5-dicarboxylic acid monohydrate,pyrazole-3,5-dicarboxylic acid, hydrate,acmc-1aezk,3,5-pyrazoledicarboxylic acid hydrate,1h-pyrazole-3,5-dicarboxylicacidmonohydrate,1h-pyrazole-3,5-dicarboxylic acid; hydrate,1h-pyrazole-3,5-dicarboxylic acid hydrate 1:1
IUPAC Name	1H-pyrazole-3,5-dicarboxylic acid;hydrate
InChI Key	GLINCONFUZIMCN-UHFFFAOYSA-N
Molecular Formula	C5H6N2O5

2,126

5-Methylquinoxaline, 98%

CAS: 13708-12-8 Molecular Formula: C9H8N2 Molecular Weight (g/mol): 144.177 MDL Number: MFCD00012335 InChI Key: CQLOYHZZZCWHSG-UHFFFAOYSA-N Synonym: quinoxaline, 5-methyl,unii-l0ad7t152g,5-methyl quinoxaline,fema no. 3203,8-methylquinoxaline,5-methyl-quinoxaline,acmc-209caq,5-methylquinoxaline,dsstox_cid_27090 PubChem CID: 61670 IUPAC Name: 5-methylquinoxaline SMILES: CC1=C2C(=CC=C1)N=CC=N2

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PubChem CID	61670
CAS	13708-12-8
Molecular Weight (g/mol)	144.177
MDL Number	MFCD00012335
SMILES	CC1=C2C(=CC=C1)N=CC=N2
Synonym	quinoxaline, 5-methyl,unii-l0ad7t152g,5-methyl quinoxaline,fema no. 3203,8-methylquinoxaline,5-methyl-quinoxaline,acmc-209caq,5-methylquinoxaline,dsstox_cid_27090
IUPAC Name	5-methylquinoxaline
InChI Key	CQLOYHZZZCWHSG-UHFFFAOYSA-N
Molecular Formula	C9H8N2

2,127

2-sec-Butylthiazole, 98+%

CAS: 18277-27-5 Molecular Formula: C7H11NS Molecular Weight (g/mol): 141.23 MDL Number: MFCD00051951 InChI Key: MHJSWOZJMPIGJQ-UHFFFAOYNA-N Synonym: 2-sec-butylthiazole,2-sec-butyl thiazole,2-1-methylpropyl thiazole,2-1-methylpropyl-thiazole,thiazole, 2-1-methylpropyl,2-butan-2-yl-1,3-thiazole,thiazole, 2-sec-butyl,fema no. 3372,2-s-butylthiazole PubChem CID: 519539 IUPAC Name: 2-butan-2-yl-1,3-thiazole SMILES: CCC(C)C1=NC=CS1

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Specifications

PubChem CID	519539
CAS	18277-27-5
Molecular Weight (g/mol)	141.23
MDL Number	MFCD00051951
SMILES	CCC(C)C1=NC=CS1
Synonym	2-sec-butylthiazole,2-sec-butyl thiazole,2-1-methylpropyl thiazole,2-1-methylpropyl-thiazole,thiazole, 2-1-methylpropyl,2-butan-2-yl-1,3-thiazole,thiazole, 2-sec-butyl,fema no. 3372,2-s-butylthiazole
IUPAC Name	2-butan-2-yl-1,3-thiazole
InChI Key	MHJSWOZJMPIGJQ-UHFFFAOYNA-N
Molecular Formula	C7H11NS

2,128

2-(Hexamethyleneimino)ethyl chloride hydrochloride, 98%, Thermo Scientific Chemicals

CAS: 26487-67-2 Molecular Formula: C8H17Cl2N Molecular Weight (g/mol): 198.131 MDL Number: MFCD00012842 InChI Key: ZQDSOUPBYJIPNM-UHFFFAOYSA-N Synonym: 1-2-chloroethyl azepane hydrochloride,2-hexamethyleneimino ethyl chloride hydrochloride,1h-azepine, hydrochloride,2-chloroethylhexamethylenemine hydrochloride,1-2-chloroethyl hexamethyleneimine hydrochloride,2-chloroethyl hexamethylene imine hydrochloride,2-chloroethyl azaperhydroepine, chloride,pubchem21389,1-2-chloroethyl azepane hcl,wln: t7ntj a2g &gh PubChem CID: 24188283 IUPAC Name: 1-(2-chloroethyl)azepane;hydrochloride SMILES: C1CCCN(CC1)CCCl.Cl

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Specifications

PubChem CID	24188283
CAS	26487-67-2
Molecular Weight (g/mol)	198.131
MDL Number	MFCD00012842
SMILES	C1CCCN(CC1)CCCl.Cl
Synonym	1-2-chloroethyl azepane hydrochloride,2-hexamethyleneimino ethyl chloride hydrochloride,1h-azepine, hydrochloride,2-chloroethylhexamethylenemine hydrochloride,1-2-chloroethyl hexamethyleneimine hydrochloride,2-chloroethyl hexamethylene imine hydrochloride,2-chloroethyl azaperhydroepine, chloride,pubchem21389,1-2-chloroethyl azepane hcl,wln: t7ntj a2g &gh
IUPAC Name	1-(2-chloroethyl)azepane;hydrochloride
InChI Key	ZQDSOUPBYJIPNM-UHFFFAOYSA-N
Molecular Formula	C8H17Cl2N

2,129

Hydralazine Hydrochloride, USP, 98-102%, Spectrum™ Chemical

CAS: 304-20-1 Molecular Formula: C8H9ClN4 Molecular Weight (g/mol): 196.64 InChI Key: ZUXNZUWOTSUBMN-UHFFFAOYSA-N IUPAC Name: hydrogen 1-hydrazinylphthalazine chloride SMILES: [H+].[Cl-].NNC1=C2C=CC=CC2=CN=N1

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Specifications

CAS	304-20-1
Molecular Weight (g/mol)	196.64
SMILES	[H+].[Cl-].NNC1=C2C=CC=CC2=CN=N1
IUPAC Name	hydrogen 1-hydrazinylphthalazine chloride
InChI Key	ZUXNZUWOTSUBMN-UHFFFAOYSA-N
Molecular Formula	C8H9ClN4

2,130

Hydralazine Hydrochloride, 99%, Spectrum™ Chemical

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Specifications

CAS	304-20-1
Molecular Weight (g/mol)	196.64
SMILES	[H+].[Cl-].NNC1=C2C=CC=CC2=CN=N1
IUPAC Name	hydrogen 1-hydrazinylphthalazine chloride
InChI Key	ZUXNZUWOTSUBMN-UHFFFAOYSA-N
Molecular Formula	C8H9ClN4

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Organoheterocyclic compounds

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Fluorouracil, USP, 98-102%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Hydralazine Hydrochloride, USP, 98-102%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Hydralazine Hydrochloride, 99%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Fluorouracil, USP, 98-102%, Spectrum™ Chemical

Hydralazine Hydrochloride, USP, 98-102%, Spectrum™ Chemical

Hydralazine Hydrochloride, 99%, Spectrum™ Chemical