accessibility menu, dialog, popup

UserName

Diazanaphthalenes

Organic heterocyclic compounds that consist of a naphthalene double ring in which two of the carbon atoms have been replaced with nitrogen atoms.
Molecular Weight (g/mol) 
  • (5)
  • (3)
  • (1)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (2)
  • (5)
  • (2)
  • (2)
  • (3)
  • (2)
  • (3)
  • (2)
  • (6)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (8)
  • (3)
  • (3)
  • (2)
  • (2)
  • (1)
  • (3)
  • (3)
  • (2)
  • (3)
  • (1)
  • (1)
  • (3)
  • (1)
  • (3)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (1)
  • (2)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (1)
  • (1)
  • (2)
  • (1)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (8)
  • (1)
  • (3)
  • (3)
  • (5)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
Quantity 
  • (26)
  • (12)
  • (7)
  • (35)
  • (33)
  • (1)
  • (1)
  • (8)
  • (7)
  • (19)
  • (13)
  • (12)
  • (27)
  • (1)
  • (23)
  • (13)
Percent Purity 
  • (73)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

category

brands

  • (238)

Molecular Weight (g/mol)

  • (5)
  • (3)
  • (1)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (2)
  • (5)
  • (2)
  • (2)
  • (3)
  • (2)
  • (3)
  • (2)
  • (6)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (8)
  • (3)
  • (3)
  • (2)
  • (2)
  • (1)
  • (3)
  • (3)
  • (2)
  • (3)
  • (1)
  • (1)
  • (3)
  • (1)
  • (3)
  • (3)
  • (3)
  • (2)
  • (1)
  • (1)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (1)
  • (2)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (1)
  • (1)
  • (2)
  • (1)
  • (3)
  • (3)
  • (2)
  • (2)
  • (2)
  • (8)
  • (1)
  • (3)
  • (3)
  • (5)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (2)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)
  • (3)

Quantity

  • (26)
  • (12)
  • (7)
  • (35)
  • (33)
  • (1)
  • (1)
  • (8)
  • (7)
  • (19)
  • (13)
  • (12)
  • (27)
  • (1)
  • (23)
  • (13)

Percent Purity

  • (73)

Search Within Results
Keyword Search:
1 – 15 of 96 results
1

Luminol, TRC

CAS: 521-31-3 Molecular Formula: C8 H7 N3 O2 Molecular Weight (g/mol): 177.16 Synonym: 1,4-Phthalazinedione, 5-amino-2,3-dihydro-,5-Amino-2,3-dihydro-1,4-phthalazinedione,3-Aminophthalhydrazide,3-Aminophthalic acid hydrazide,3-Aminophthalic hydrazide,5-Amino-1,4-dihydroxyphthalazine,Diogenes reagent,Luminol,NSC 5064 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: Nc1cccc2C(=O)NNC(=O)c12

CAS 521-31-3
Molecular Weight (g/mol) 177.16
SMILES Nc1cccc2C(=O)NNC(=O)c12
Synonym 1,4-Phthalazinedione, 5-amino-2,3-dihydro-,5-Amino-2,3-dihydro-1,4-phthalazinedione,3-Aminophthalhydrazide,3-Aminophthalic acid hydrazide,3-Aminophthalic hydrazide,5-Amino-1,4-dihydroxyphthalazine,Diogenes reagent,Luminol,NSC 5064
IUPAC Name 5-amino-2,3-dihydrophthalazine-1,4-dione
Molecular Formula C8 H7 N3 O2
2

Vatalanib Dihydrochloride, TRC

CAS: 212141-51-0 Molecular Formula: C20 H15 Cl N4 . 2 Cl H Molecular Weight (g/mol): 419.73 Synonym: 1-Phthalazinamine, N-(4-chlorophenyl)-4-(4-pyridinylmethyl)-, hydrochloride (1:2),1-Phthalazinamine, N-(4-chlorophenyl)-4-(4-pyridinylmethyl)-, dihydrochloride (9CI),Vatalanib dihydrochloride IUPAC Name: N-(4-chlorophenyl)-4-(pyridin-4-ylmethyl)phthalazin-1-amine;dihydrochloride SMILES: Cl.Cl.Clc1ccc(Nc2nnc(Cc3ccncc3)c4ccccc24)cc1

CAS 212141-51-0
Molecular Weight (g/mol) 419.73
SMILES Cl.Cl.Clc1ccc(Nc2nnc(Cc3ccncc3)c4ccccc24)cc1
Synonym 1-Phthalazinamine, N-(4-chlorophenyl)-4-(4-pyridinylmethyl)-, hydrochloride (1:2),1-Phthalazinamine, N-(4-chlorophenyl)-4-(4-pyridinylmethyl)-, dihydrochloride (9CI),Vatalanib dihydrochloride
IUPAC Name N-(4-chlorophenyl)-4-(pyridin-4-ylmethyl)phthalazin-1-amine;dihydrochloride
Molecular Formula C20 H15 Cl N4 . 2 Cl H
3

6,7-Dimethoxyquinazoline-2,4-dione, TRC

CAS: 28888-44-0 Molecular Formula: C10 H10 N2 O4 Molecular Weight (g/mol): 222.2 Synonym: 6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione,Doxazosin Mesilate Imp. D (EP),2,4(1H,3H)-Quinazolinedione, 6,7-dimethoxy-,6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione,2,5-Dihydroxy-6,7-dimethoxyquinazoline,6,7-Dimethoxy-1H-quinazoline-2,4-dione,6,7-Dimethoxyquinazoline-2,4-diol,6,7-Dimethoxyquinazoline-2,4-dione IUPAC Name: 6,7-dimethoxy-1H-quinazoline-2,4-dione SMILES: COc1cc2NC(=O)NC(=O)c2cc1OC

CAS 28888-44-0
Molecular Weight (g/mol) 222.2
SMILES COc1cc2NC(=O)NC(=O)c2cc1OC
Synonym 6,7-Dimethoxyquinazoline-2,4(1H,3H)-dione,Doxazosin Mesilate Imp. D (EP),2,4(1H,3H)-Quinazolinedione, 6,7-dimethoxy-,6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione,2,5-Dihydroxy-6,7-dimethoxyquinazoline,6,7-Dimethoxy-1H-quinazoline-2,4-dione,6,7-Dimethoxyquinazoline-2,4-diol,6,7-Dimethoxyquinazoline-2,4-dione
IUPAC Name 6,7-dimethoxy-1H-quinazoline-2,4-dione
Molecular Formula C10 H10 N2 O4
4

Olaquindox, TRC

CAS: 23696-28-8 Molecular Formula: C12 H13 N3 O4 Molecular Weight (g/mol): 263.25 Synonym: 2-[N-(2-Hydroxyethyl)carboxamide]-3-methylquinoxaline 1,4-dioxide,Bayernox,BayoNox,Bisergon,NSC 634933,Olaquindox IUPAC Name: N-(2-hydroxyethyl)-3-methyl-1,4-dioxidoquinoxaline-1,4-diium-2-carboxamide SMILES: Cc1c(C(=O)NCCO)[n+]([O-])c2ccccc2[n+]1[O-]

CAS 23696-28-8
Molecular Weight (g/mol) 263.25
SMILES Cc1c(C(=O)NCCO)[n+]([O-])c2ccccc2[n+]1[O-]
Synonym 2-[N-(2-Hydroxyethyl)carboxamide]-3-methylquinoxaline 1,4-dioxide,Bayernox,BayoNox,Bisergon,NSC 634933,Olaquindox
IUPAC Name N-(2-hydroxyethyl)-3-methyl-1,4-dioxidoquinoxaline-1,4-diium-2-carboxamide
Molecular Formula C12 H13 N3 O4
5

Quinoxaline, TRC

CAS: 91-19-0 Molecular Formula: C8H6N2 Molecular Weight (g/mol): 130.15 Synonym: 1,4-Benzodiazine,1,4-Diazanaphthalene,1,4-Naphthyridine,Benzo[a]pyrazine,Benzoparadiazine,Benzopyrazine,Phenopiazine,Phenpiazine,Quinazine IUPAC Name: quinoxaline SMILES: c1ccc2nccnc2c1

CAS 91-19-0
Molecular Weight (g/mol) 130.15
SMILES c1ccc2nccnc2c1
Synonym 1,4-Benzodiazine,1,4-Diazanaphthalene,1,4-Naphthyridine,Benzo[a]pyrazine,Benzoparadiazine,Benzopyrazine,Phenopiazine,Phenpiazine,Quinazine
IUPAC Name quinoxaline
Molecular Formula C8H6N2
6

6-Iodoquinazolin-4-one, TRC

CAS: 16064-08-7 Molecular Formula: C8H5IN2O Molecular Weight (g/mol): 272.05 Synonym: 6-Iodo-4(3H)-quinazolinone,6-Iodo-4(1H)-quinazolinone,6-Iodo-4-quinazolinol,6-Iodo-1H-quinazolin-4-one,6-Iodo-3,4-dihydroquinazolin-4-one,6-Iodo-3H-quinazolin-4-one,6-Iodo-4(3H)-quinazolinone,6-Iodo-4-quinazolone,6-Iodoquinazolin-4-ol SMILES: Ic1ccc2NC=NC(=O)c2c1

CAS 16064-08-7
Molecular Weight (g/mol) 272.05
SMILES Ic1ccc2NC=NC(=O)c2c1
Synonym 6-Iodo-4(3H)-quinazolinone,6-Iodo-4(1H)-quinazolinone,6-Iodo-4-quinazolinol,6-Iodo-1H-quinazolin-4-one,6-Iodo-3,4-dihydroquinazolin-4-one,6-Iodo-3H-quinazolin-4-one,6-Iodo-4(3H)-quinazolinone,6-Iodo-4-quinazolone,6-Iodoquinazolin-4-ol
Molecular Formula C8H5IN2O
7

3-(Phenylmethyl)-2-[(1E)-2-(3-pyridinyl)ethenyl]-4(3H)-quinazolinone, TRC

CAS: 1290541-46-6 Molecular Formula: C12 H17 N3 O6 Molecular Weight (g/mol): 299.28 Synonym: BO 2 IUPAC Name: ethyl 4-amino-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidine-5-carboxylate SMILES: CCOC(=O)C1=CN([C@H]2C[C@H](O)[C@@H](CO)O2)C(=O)N=C1N

CAS 1290541-46-6
Molecular Weight (g/mol) 299.28
SMILES CCOC(=O)C1=CN([C@H]2C[C@H](O)[C@@H](CO)O2)C(=O)N=C1N
Synonym BO 2
IUPAC Name ethyl 4-amino-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]-2-oxopyrimidine-5-carboxylate
Molecular Formula C12 H17 N3 O6
8

2-Quinoxalinecarboxaldehyde, TRC

CAS: 1593-08-4 Molecular Formula: C9H6N2O Molecular Weight (g/mol): 158.16 Synonym: 2-Formylquinoxaline,Quinoxalin-2-carboxaldehyde IUPAC Name: quinoxaline-2-carbaldehyde SMILES: O=Cc1cnc2ccccc2n1

CAS 1593-08-4
Molecular Weight (g/mol) 158.16
SMILES O=Cc1cnc2ccccc2n1
Synonym 2-Formylquinoxaline,Quinoxalin-2-carboxaldehyde
IUPAC Name quinoxaline-2-carbaldehyde
Molecular Formula C9H6N2O
9

2-Amino-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline, TRC

CAS: 95896-78-9 Molecular Formula: C12 H13 N5 Molecular Weight (g/mol): 227.27 Synonym: 3H-Imidazo[4,5-f]quinoxalin-2-amine, 3,4,8-trimethyl-,3,4,8-Trimethyl-3H-imidazo[4,5-f]quinoxalin-2-amine,2-Amino-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline,2-Amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline,4,8-DiMeIQx IUPAC Name: 3,4,8-trimethylimidazo[4,5-f]quinoxalin-2-amine SMILES: Cc1cnc2cc(C)c3c(nc(N)n3C)c2n1

CAS 95896-78-9
Molecular Weight (g/mol) 227.27
SMILES Cc1cnc2cc(C)c3c(nc(N)n3C)c2n1
Synonym 3H-Imidazo[4,5-f]quinoxalin-2-amine, 3,4,8-trimethyl-,3,4,8-Trimethyl-3H-imidazo[4,5-f]quinoxalin-2-amine,2-Amino-3,4,8-trimethyl-3H-imidazo[4,5-f]quinoxaline,2-Amino-3,4,8-trimethylimidazo[4,5-f]quinoxaline,4,8-DiMeIQx
IUPAC Name 3,4,8-trimethylimidazo[4,5-f]quinoxalin-2-amine
Molecular Formula C12 H13 N5
10

4,5-Didehydro Brimonidine, TRC

CAS: 151110-15-5 Molecular Formula: C11 H8 Br N5 Molecular Weight (g/mol): 290.1187 Synonym: 5-Bromo-N-1H-imidazol-2-yl-6-quinoxalinamine,5-Bromo-N-(1H-imidazol-2-yl)quinoxalin-6-amine,Brimonidine EP Impurity F IUPAC Name: 5-bromo-N-(1H-imidazol-2-yl)quinoxalin-6-amine SMILES: Brc1c(Nc2ncc[nH]2)ccc3nccnc13

CAS 151110-15-5
Molecular Weight (g/mol) 290.1187
SMILES Brc1c(Nc2ncc[nH]2)ccc3nccnc13
Synonym 5-Bromo-N-1H-imidazol-2-yl-6-quinoxalinamine,5-Bromo-N-(1H-imidazol-2-yl)quinoxalin-6-amine,Brimonidine EP Impurity F
IUPAC Name 5-bromo-N-(1H-imidazol-2-yl)quinoxalin-6-amine
Molecular Formula C11 H8 Br N5
11

Halofuginone Hydrobromide, TRC

CAS: 64924-67-0 Molecular Formula: C16 H17 Br Cl N3 O3 . Br H Molecular Weight (g/mol): 495.59 Synonym: 4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-(3-hydroxy-2-piperidinyl)-2-oxopropyl]-, monohydrobromide, trans-(±)-,4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-[(2R,3S)-3-hydroxy-2-piperidinyl]-2-oxopropyl]-, monohydrobromide, rel- (9CI),4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-(3-hydroxy-2-piperidinyl)-2-oxopropyl]-, monohydrobromide, trans-,Halofuginone hydrobromide,RU 19110,Stenorol IUPAC Name: 7-bromo-6-chloro-3-[3-[(2S,3R)-3-hydroxypiperidin-2-yl]-2-oxopropyl]quinazolin-4-one;hydrobromide SMILES: Br.O[C@@H]1CCCN[C@H]1CC(=O)CN2C=Nc3cc(Br)c(Cl)cc3C2=O

CAS 64924-67-0
Molecular Weight (g/mol) 495.59
SMILES Br.O[C@@H]1CCCN[C@H]1CC(=O)CN2C=Nc3cc(Br)c(Cl)cc3C2=O
Synonym 4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-(3-hydroxy-2-piperidinyl)-2-oxopropyl]-, monohydrobromide, trans-(±)-,4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-[(2R,3S)-3-hydroxy-2-piperidinyl]-2-oxopropyl]-, monohydrobromide, rel- (9CI),4(3H)-Quinazolinone, 7-bromo-6-chloro-3-[3-(3-hydroxy-2-piperidinyl)-2-oxopropyl]-, monohydrobromide, trans-,Halofuginone hydrobromide,RU 19110,Stenorol
IUPAC Name 7-bromo-6-chloro-3-[3-[(2S,3R)-3-hydroxypiperidin-2-yl]-2-oxopropyl]quinazolin-4-one;hydrobromide
Molecular Formula C16 H17 Br Cl N3 O3 . Br H
12

4-[(4-Chlorophenyl)methyl]-2-[2-(1-methyl-2-pyrrolidinyl)ethyl]-1(2H)-phthalazinone Hydrochloride, TRC

CAS: 117078-70-3 Molecular Formula: C22H24ClN3O . HCl Molecular Weight (g/mol): 381.9 Synonym: Azelastine 5-Member-Cyclic-Isomer Hcl IUPAC Name: 4-[(4-chlorophenyl)methyl]-2-[2-(1-methylpyrrolidin-2-yl)ethyl]phthalazin-1-one SMILES: Cl.CN1CCCC1CCN2N=C(Cc3ccc(Cl)cc3)c4ccccc4C2=O

CAS 117078-70-3
Molecular Weight (g/mol) 381.9
SMILES Cl.CN1CCCC1CCN2N=C(Cc3ccc(Cl)cc3)c4ccccc4C2=O
Synonym Azelastine 5-Member-Cyclic-Isomer Hcl
IUPAC Name 4-[(4-chlorophenyl)methyl]-2-[2-(1-methylpyrrolidin-2-yl)ethyl]phthalazin-1-one
Molecular Formula C22H24ClN3O . HCl
13

Ophthazin Sulfate, TRC

CAS: 7327-87-9 Molecular Formula: C8 H10 N6 . H2 O4 S Molecular Weight (g/mol): 288.28 Synonym: Phthalazine, 1,4-dihydrazinyl-, sulfate (1:1),1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone, sulfate (1:1) (9CI),Phthalazine, 1,4-dihydrazino-, sulfate (1:1) (8CI),1,4-Dihydrazinophthalazine sulfate,Depressan,Dihydralazine sulfate,Dihydrazinophthalazine sulfate,Dihyzin IUPAC Name: (Z)-[(4Z)-4-hydrazinylidene-2,3-dihydrophthalazin-1-ylidene]hydrazine;sulfuric acid SMILES: N\N=C\1/NN\C(=N/N)\c2ccccc12.OS(=O)(=O)O

CAS 7327-87-9
Molecular Weight (g/mol) 288.28
SMILES N\N=C\1/NN\C(=N/N)\c2ccccc12.OS(=O)(=O)O
Synonym Phthalazine, 1,4-dihydrazinyl-, sulfate (1:1),1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone, sulfate (1:1) (9CI),Phthalazine, 1,4-dihydrazino-, sulfate (1:1) (8CI),1,4-Dihydrazinophthalazine sulfate,Depressan,Dihydralazine sulfate,Dihydrazinophthalazine sulfate,Dihyzin
IUPAC Name (Z)-[(4Z)-4-hydrazinylidene-2,3-dihydrophthalazin-1-ylidene]hydrazine;sulfuric acid
Molecular Formula C8 H10 N6 . H2 O4 S
14

Azelastine N-Oxide (Mixture of Diastereomers), TRC

CAS: 640279-88-5 Molecular Formula: C22 H24 Cl N3 O2 Molecular Weight (g/mol): 397.9 Synonym: 1(2H)-Phthalazinone, 4-[(4-chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-,Azelastine N-Oxide IUPAC Name: 4-[(4-chlorophenyl)methyl]-2-(1-methyl-1-oxidoazepan-1-ium-4-yl)phthalazin-1-one SMILES: C[N+]1([O-])CCCC(CC1)N2N=C(Cc3ccc(Cl)cc3)c4ccccc4C2=O

CAS 640279-88-5
Molecular Weight (g/mol) 397.9
SMILES C[N+]1([O-])CCCC(CC1)N2N=C(Cc3ccc(Cl)cc3)c4ccccc4C2=O
Synonym 1(2H)-Phthalazinone, 4-[(4-chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-,Azelastine N-Oxide
IUPAC Name 4-[(4-chlorophenyl)methyl]-2-(1-methyl-1-oxidoazepan-1-ium-4-yl)phthalazin-1-one
Molecular Formula C22 H24 Cl N3 O2
15

Hydralazine Hydrochloride, TRC

CAS: 304-20-1 Molecular Formula: C8 H8 N4 . Cl H Molecular Weight (g/mol): 196.64 Synonym: Hydralazine hydrochloride,1-Hydrazinophthalazine hydrochloride,1(2H)-Phthalazinone, hydrazone, monohydrochloride,Phthalazine, 1-hydrazino-, monohydrochloride,(Phthalazin-1-yl)hydrazine hydrochloride,1-Hydrazinophthalazine hydrochloride,1-Hydrazinophthalazine monohydrochloride,Apresoline hydrochloride,Apulon,Hydralazine chloride,Hydralazine hydrochloride,Hydralazine monohydrochloride,Lopres IUPAC Name: phthalazin-1-ylhydrazine;hydrochloride

CAS 304-20-1
Molecular Weight (g/mol) 196.64
Synonym Hydralazine hydrochloride,1-Hydrazinophthalazine hydrochloride,1(2H)-Phthalazinone, hydrazone, monohydrochloride,Phthalazine, 1-hydrazino-, monohydrochloride,(Phthalazin-1-yl)hydrazine hydrochloride,1-Hydrazinophthalazine hydrochloride,1-Hydrazinophthalazine monohydrochloride,Apresoline hydrochloride,Apulon,Hydralazine chloride,Hydralazine hydrochloride,Hydralazine monohydrochloride,Lopres
IUPAC Name phthalazin-1-ylhydrazine;hydrochloride
Molecular Formula C8 H8 N4 . Cl H