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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3,076 – 3,090 of 271,159 results

3,076

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Phenylboronic acid pinacol ester, 97%

CAS: 24388-23-6 Molecular Formula: C12H17BO2 Molecular Weight (g/mol): 204.08 MDL Number: MFCD00966985 MFCD31699955 InChI Key: KKLCYBZPQDOFQK-UHFFFAOYSA-N Synonym: phenylboronic acid pinacol ester,4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl benzene,phenylboronic acid, pinacol ester,2-phenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,benzeneboronic acid, pinacol ester,1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-phenyl,acmc-209gbq,phenylboronic pinacol ester,phenylboronicacidpinacolester,pinacolboryl benzene PubChem CID: 570673 IUPAC Name: 4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolane SMILES: CC1(C)OB(OC1(C)C)C1=CC=CC=C1

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PubChem CID	570673
CAS	24388-23-6
Molecular Weight (g/mol)	204.08
MDL Number	MFCD00966985 MFCD31699955
SMILES	CC1(C)OB(OC1(C)C)C1=CC=CC=C1
Synonym	phenylboronic acid pinacol ester,4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl benzene,phenylboronic acid, pinacol ester,2-phenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane,benzeneboronic acid, pinacol ester,1,3,2-dioxaborolane, 4,4,5,5-tetramethyl-2-phenyl,acmc-209gbq,phenylboronic pinacol ester,phenylboronicacidpinacolester,pinacolboryl benzene
IUPAC Name	4,4,5,5-tetramethyl-2-phenyl-1,3,2-dioxaborolane
InChI Key	KKLCYBZPQDOFQK-UHFFFAOYSA-N
Molecular Formula	C12H17BO2

3,077

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4-Maleimidobutyric acid N-hydroxysuccinimide ester, 97%

CAS: 80307-12-6 Molecular Formula: C12H12N2O6 Molecular Weight (g/mol): 280.24 MDL Number: MFCD00036817 InChI Key: PVGATNRYUYNBHO-UHFFFAOYSA-N Synonym: gmbs,4-maleimidobutyric acid n-hydroxysuccinimide ester,4-maleimidobutyric acid n-succinimidyl ester,n-gamma-maleimidobutyryloxy succinimide,2,5-dioxopyrrolidin-1-yl 4-2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl butanoate,n-4-maleimidobutyryloxy succinimide,n-succinimidyl 4-maleimidobutyrate,n-succinimidyl-4-maleimidobutyrate,2,5-dioxopyrrolidin-1-yl 4-2,5-dioxopyrrol-1-yl butanoate PubChem CID: 133440 IUPAC Name: (2,5-dioxopyrrolidin-1-yl) 4-(2,5-dioxopyrrol-1-yl)butanoate SMILES: O=C(CCCN1C(=O)C=CC1=O)ON1C(=O)CCC1=O

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PubChem CID	133440
CAS	80307-12-6
Molecular Weight (g/mol)	280.24
MDL Number	MFCD00036817
SMILES	O=C(CCCN1C(=O)C=CC1=O)ON1C(=O)CCC1=O
Synonym	gmbs,4-maleimidobutyric acid n-hydroxysuccinimide ester,4-maleimidobutyric acid n-succinimidyl ester,n-gamma-maleimidobutyryloxy succinimide,2,5-dioxopyrrolidin-1-yl 4-2,5-dioxo-2,5-dihydro-1h-pyrrol-1-yl butanoate,n-4-maleimidobutyryloxy succinimide,n-succinimidyl 4-maleimidobutyrate,n-succinimidyl-4-maleimidobutyrate,2,5-dioxopyrrolidin-1-yl 4-2,5-dioxopyrrol-1-yl butanoate
IUPAC Name	(2,5-dioxopyrrolidin-1-yl) 4-(2,5-dioxopyrrol-1-yl)butanoate
InChI Key	PVGATNRYUYNBHO-UHFFFAOYSA-N
Molecular Formula	C12H12N2O6

3,078

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2-Isopropylimidazole, 98%

CAS: 36947-68-9 Molecular Formula: C6H10N2 Molecular Weight (g/mol): 110.16 MDL Number: MFCD00014486 InChI Key: FUOZJYASZOSONT-UHFFFAOYSA-N Synonym: 2-isopropylimidazole,2-isopropyl-1h-imidazole,1h-imidazole, 2-1-methylethyl,2-propan-2-yl-1h-imidazole,unii-a92tuy97g2,2-isopropylimdazole,2-isopropylimidazol,2-iso-propylimidazole,2-isopropyl imidazole,2-isopropyl-imidazole PubChem CID: 123457 IUPAC Name: 2-propan-2-yl-1H-imidazole SMILES: CC(C)C1=NC=CN1

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PubChem CID	123457
CAS	36947-68-9
Molecular Weight (g/mol)	110.16
MDL Number	MFCD00014486
SMILES	CC(C)C1=NC=CN1
Synonym	2-isopropylimidazole,2-isopropyl-1h-imidazole,1h-imidazole, 2-1-methylethyl,2-propan-2-yl-1h-imidazole,unii-a92tuy97g2,2-isopropylimdazole,2-isopropylimidazol,2-iso-propylimidazole,2-isopropyl imidazole,2-isopropyl-imidazole
IUPAC Name	2-propan-2-yl-1H-imidazole
InChI Key	FUOZJYASZOSONT-UHFFFAOYSA-N
Molecular Formula	C6H10N2

3,079

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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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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

3,080

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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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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

3,081

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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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Specifications

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

3,082

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5-Aminoindole, 97%

CAS: 5192-03-0 Molecular Formula: C8H8N2 Molecular Weight (g/mol): 132.17 MDL Number: MFCD00005679 InChI Key: ZCBIFHNDZBSCEP-UHFFFAOYSA-N Synonym: 5-aminoindole,indol-5-ylamine,indole, 5-amino,unii-q732pg0y16,1h-indol-5-ylamine,indole-5-ylamine,5-indolamine,5-amino indole,5-amino-indole PubChem CID: 78867 ChEBI: CHEBI:33067 IUPAC Name: 1H-indol-5-amine SMILES: NC1=CC=C2NC=CC2=C1

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PubChem CID	78867
CAS	5192-03-0
Molecular Weight (g/mol)	132.17
ChEBI	CHEBI:33067
MDL Number	MFCD00005679
SMILES	NC1=CC=C2NC=CC2=C1
Synonym	5-aminoindole,indol-5-ylamine,indole, 5-amino,unii-q732pg0y16,1h-indol-5-ylamine,indole-5-ylamine,5-indolamine,5-amino indole,5-amino-indole
IUPAC Name	1H-indol-5-amine
InChI Key	ZCBIFHNDZBSCEP-UHFFFAOYSA-N
Molecular Formula	C8H8N2

3,083

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5-Amino-3-methyl-1-phenylpyrazole, 97%

CAS: 1131-18-6 Molecular Formula: C₁₀H₁₁N₃ Molecular Weight (g/mol): 173.21 InChI Key: FMKMKBLHMONXJM-UHFFFAOYSA-N Synonym: 3-methyl-1-phenyl-1h-pyrazol-5-amine,5-amino-3-methyl-1-phenylpyrazole,1h-pyrazol-5-amine, 3-methyl-1-phenyl,1-phenyl-3-methyl-5-aminopyrazole,3-methyl-1-phenylpyrazol-5-ylamine,5-methyl-2-phenyl-2h-pyrazol-3-ylamine,1-phenyl-3-methyl-5-amino pyrazole,unii-x6087geb2p,pyrazole, 5-amino-3-methyl-1-phenyl,1h-pyrazole-5-amine, 3-methyl-1-phenyl PubChem CID: 70801 IUPAC Name: 5-methyl-2-phenylpyrazol-3-amine SMILES: CC1=NN(C(=C1)N)C2=CC=CC=C2

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PubChem CID	70801
CAS	1131-18-6
Molecular Weight (g/mol)	173.21
SMILES	CC1=NN(C(=C1)N)C2=CC=CC=C2
Synonym	3-methyl-1-phenyl-1h-pyrazol-5-amine,5-amino-3-methyl-1-phenylpyrazole,1h-pyrazol-5-amine, 3-methyl-1-phenyl,1-phenyl-3-methyl-5-aminopyrazole,3-methyl-1-phenylpyrazol-5-ylamine,5-methyl-2-phenyl-2h-pyrazol-3-ylamine,1-phenyl-3-methyl-5-amino pyrazole,unii-x6087geb2p,pyrazole, 5-amino-3-methyl-1-phenyl,1h-pyrazole-5-amine, 3-methyl-1-phenyl
IUPAC Name	5-methyl-2-phenylpyrazol-3-amine
InChI Key	FMKMKBLHMONXJM-UHFFFAOYSA-N
Molecular Formula	C₁₀H₁₁N₃

3,084

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2,3-Diphenylquinoxaline, 98+%

CAS: 1684-14-6 Molecular Formula: C20H14N2 Molecular Weight (g/mol): 282.346 MDL Number: MFCD00014659 InChI Key: RSNQVABHABAKEZ-UHFFFAOYSA-N PubChem CID: 74311 IUPAC Name: 2,3-diphenylquinoxaline SMILES: C1=CC=C(C=C1)C2=NC3=CC=CC=C3N=C2C4=CC=CC=C4

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Specifications

PubChem CID	74311
CAS	1684-14-6
Molecular Weight (g/mol)	282.346
MDL Number	MFCD00014659
SMILES	C1=CC=C(C=C1)C2=NC3=CC=CC=C3N=C2C4=CC=CC=C4
IUPAC Name	2,3-diphenylquinoxaline
InChI Key	RSNQVABHABAKEZ-UHFFFAOYSA-N
Molecular Formula	C20H14N2

3,085

Nitron, For Spectrophotometric Det. of Nitrate and Perchlorate, ≥97.0%, MilliporeSigma™ Supelco™

MDL Number: MFCD00005174 Synonym: 1,4-Diphenyl-3-phenylamino-1,2,4-triazolium hydroxide inner salt; 3,5,6-Triphenyl-2,3,5,6-tetraazabicyclo[2.1.1 ]hex-1-ene; 4,5-Dihydro-2,4-diphenyl-5-(phenylimino)-1 H-1,2,4-triazolium hydroxide inner salt

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MDL Number	MFCD00005174
Synonym	1,4-Diphenyl-3-phenylamino-1,2,4-triazolium hydroxide inner salt; 3,5,6-Triphenyl-2,3,5,6-tetraazabicyclo[2.1.1 ]hex-1-ene; 4,5-Dihydro-2,4-diphenyl-5-(phenylimino)-1 H-1,2,4-triazolium hydroxide inner salt

3,086

3-(1-Methyl-1H-pyrazol-3-yl)benzonitrile, 95%, Thermo Scientific™

CAS: 207909-05-5 Molecular Formula: C11H9N3 Molecular Weight (g/mol): 183.214 MDL Number: MFCD09065009 InChI Key: FLALRGXSUSNEAF-UHFFFAOYSA-N Synonym: 3-1-methyl-1h-pyrazol-3-yl benzonitrile,3-1-methylpyrazol-3-yl benzonitrile,benzonitrile, 3-1-methyl-1h-pyrazol-3-yl,3-1-methylpyrazol-3-yl benzenecarbonitrile PubChem CID: 10655058 IUPAC Name: 3-(1-methylpyrazol-3-yl)benzonitrile SMILES: CN1C=CC(=N1)C2=CC=CC(=C2)C#N

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PubChem CID	10655058
CAS	207909-05-5
Molecular Weight (g/mol)	183.214
MDL Number	MFCD09065009
SMILES	CN1C=CC(=N1)C2=CC=CC(=C2)C#N
Synonym	3-1-methyl-1h-pyrazol-3-yl benzonitrile,3-1-methylpyrazol-3-yl benzonitrile,benzonitrile, 3-1-methyl-1h-pyrazol-3-yl,3-1-methylpyrazol-3-yl benzenecarbonitrile
IUPAC Name	3-(1-methylpyrazol-3-yl)benzonitrile
InChI Key	FLALRGXSUSNEAF-UHFFFAOYSA-N
Molecular Formula	C11H9N3

3,087

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2-Vinylpyrazine, 98%, stab. with ca 0.1% hydroquinone

CAS: 4177-16-6 Molecular Formula: C6H6N2 Molecular Weight (g/mol): 106.13 MDL Number: MFCD00051591 InChI Key: KANZWHBYRHQMKZ-UHFFFAOYSA-N Synonym: 2-vinylpyrazine,vinylpyrazine,pyrazine, ethenyl,pyrazine, vinyl,2-vinyl pyrazine,unii-y6tpk237o6,ethenylpyrazine,vinyl pyrazine,2ethenylpyrazine,acmc-20anmb PubChem CID: 77840 IUPAC Name: 2-ethenylpyrazine SMILES: C=CC1=CN=CC=N1

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PubChem CID	77840
CAS	4177-16-6
Molecular Weight (g/mol)	106.13
MDL Number	MFCD00051591
SMILES	C=CC1=CN=CC=N1
Synonym	2-vinylpyrazine,vinylpyrazine,pyrazine, ethenyl,pyrazine, vinyl,2-vinyl pyrazine,unii-y6tpk237o6,ethenylpyrazine,vinyl pyrazine,2ethenylpyrazine,acmc-20anmb
IUPAC Name	2-ethenylpyrazine
InChI Key	KANZWHBYRHQMKZ-UHFFFAOYSA-N
Molecular Formula	C6H6N2

3,088

3-(1-Methyl-1H-pyrazol-5-yl)benzonitrile, 97%, Thermo Scientific™

CAS: 179055-95-9 Molecular Formula: C11H9N3 Molecular Weight (g/mol): 183.21 MDL Number: MFCD09702401 InChI Key: NEFOVTAGRMOIIV-UHFFFAOYSA-N PubChem CID: 10511671 IUPAC Name: 3-(2-methylpyrazol-3-yl)benzonitrile SMILES: CN1N=CC=C1C1=CC=CC(=C1)C#N

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Specifications

PubChem CID	10511671
CAS	179055-95-9
Molecular Weight (g/mol)	183.21
MDL Number	MFCD09702401
SMILES	CN1N=CC=C1C1=CC=CC(=C1)C#N
IUPAC Name	3-(2-methylpyrazol-3-yl)benzonitrile
InChI Key	NEFOVTAGRMOIIV-UHFFFAOYSA-N
Molecular Formula	C11H9N3

3,089

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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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Specifications

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

3,090

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delta-Valerolactam, 98%

CAS: 675-20-7 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.13 MDL Number: MFCD00006037 InChI Key: XUWHAWMETYGRKB-UHFFFAOYSA-N Synonym: 2-piperidone,2-piperidinone,delta-valerolactam,valerolactim,5-pentanolactam,piperidinone,piperidon,piperidone,alpha-piperidone,piperidone-2 PubChem CID: 12665 ChEBI: CHEBI:77761 IUPAC Name: piperidin-2-one SMILES: O=C1CCCCN1

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Specifications

PubChem CID	12665
CAS	675-20-7
Molecular Weight (g/mol)	99.13
ChEBI	CHEBI:77761
MDL Number	MFCD00006037
SMILES	O=C1CCCCN1
Synonym	2-piperidone,2-piperidinone,delta-valerolactam,valerolactim,5-pentanolactam,piperidinone,piperidon,piperidone,alpha-piperidone,piperidone-2
IUPAC Name	piperidin-2-one
InChI Key	XUWHAWMETYGRKB-UHFFFAOYSA-N
Molecular Formula	C5H9NO

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