Heterocycles

Heterocyclic compounds are organic compounds containing at least one atom of carbon, and at least one element other than carbon, such as sulfur, oxygen or nitrogen within a ring structure. These structures may comprise either simple aromatic rings or non-aromatic rings. Some examples are pyridine, pyrimidine and dioxane.
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Heterocyclic Compounds

Catalog No. Product Name Enrichment
Quantity Price
63625 3-Chloro-6-ethynylpyridazine
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63623 3-(2-Chloro-6-fluorophenyl)-5-(chloromethyl)-4-isoxazolyl] carboxylic Acid Methyl Ester
10 mg $650   Add to Cart
100 mg $2,200   Add to Cart
15756 4-Chloro-6-hydrazinopyrimidine
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63679 2-Chloro-6-methoxy-3-nitropyridine
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63677 2-Chloro-6-methyl-4-[(4-methoxyphenyl)methoxy]benzenamine
100 mg $625   Add to Cart
1 g $2,000   Add to Cart
16089 3-chloro-6-methylpyridazine
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8261 6-Chloro-7-benzylpurine
Synonyms:
7-Benyl-6-chloro-9H-purine;
200 mg $845   Add to Cart
1 g $1,760   Add to Cart
8284 6-Chloro-7-deazapurine
Synonyms:
4-Chloro-1H-pyrrolo[2,3-d]pyrimidine 4-Chloropyrrolo[2,3-d] pyrimidine; Tofacitinib Impurity Q;
1.25 g $1,720   Add to Cart
250 mg $840   Add to Cart
63689 4-Chloro-7-fluoro-6-nitroquinazoline
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8338 4-Chloro-7-fluoropyrrolo[1,2-α]quinoxaline
Synonyms:
4-Chloro-7-fluoro-pyrrolo[1,2-α]quinoxaline;
250 mg $860   Add to Cart
1.25 g $1,880   Add to Cart
63487 7-Carboxy-5-chloro-8-hydroxy-3,4-dihydro-3-methylisocoumarin
1 mg $650   Add to Cart
5 mg $1,175   Add to Cart
10 mg $2,150   Add to Cart
63700 7-Chloro-8-quinolinol
50 mg $650   Add to Cart
500 mg $2,200   Add to Cart
8444 4-Chloro-8-quinolinol
Synonyms:
NSC 673455; 4-Chloro-8-hydroxyquinoline;
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8262 6-Chloro-9-benzylpurine
Synonyms:
9-Benyl-6-chloro-9H-purine;
250 mg $845   Add to Cart
1.25 g $1,760   Add to Cart
63656 2-Chloro-9-methyl-6-(benzylamino)purine
25 mg $650   Add to Cart
250 mg $2,200   Add to Cart
D63657 2-Chloro-9-methyl-6-(benzylamino)purine-d3
10 mg $650   Add to Cart
100 mg $2,200   Add to Cart
63636 6-Chloro-9-methyl-7-deazapurine
250 mg $660   Add to Cart
2.5 g $2,280   Add to Cart
8271 1-(6-Chloro-9H-carbazol-2-yl)ethanone (Carprofen Impurity)
2.5 mg $875   Add to Cart
12.5 mg $2,000   Add to Cart
15590 1-(2-chloro-ethyl)-1,3-dihydro-benzoimidazol-2-one
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63658 2-Chloro-N-(phenylmethyl)-1H-purin-6-amine
100 mg $650   Add to Cart
1 g $2,200   Add to Cart
63714 6-Chloro-N-2-thiazolyl-3-pyridinemethanamine
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63642 2-Chloro-N-[2-(2-fluorobenzoyl)-4-nitrophenyl]acetamide
10 mg $625   Add to Cart
100 mg $2,000   Add to Cart
63723 5-Chloro-N-[2-oxo-3-[[4-(3-oxo-4-morpholinyl)phenyl]amino]propyl] -2-thiophenecarboxamide
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63674 2-Chloro-N-[4-[(4-methoxyphenyl)methoxy]-2-chloro-6-methylphenyl] acetamide
100 mg $650   Add to Cart
1 g $2,200   Add to Cart
15643 3-chloro-Pyridinamine
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8453 6-Chloro-pyrimidine-2,4-diamine
Synonyms:
6-Chloro-pyrimidine-2,4-diyldiamine, 4-Chloro-2,6- diaminopyrimidine;
5 g $900   Add to Cart
25 g $2,200   Add to Cart
63580 N-(Chloroacetoxy)succinimide
1 g $640   Add to Cart
10 g $2,120   Add to Cart
25 g $3,450   Add to Cart
8240 1-(Chloroacetyl)-2-(trifluoroacetyl)hydrazine
Synonyms:
2,2,2-Trifluoroacetic Acid 2-(2-Chloroacetyl)hydrazide;
2 g $870   Add to Cart
10 g $1,960   Add to Cart
63584 (2S)-1-(2-Chloroacetyl)-2-9-pyrrolidinecarbonitrile
1 g $290   Add to Cart
10 g $790   Add to Cart
63585 (2R)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile
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D63583 3-(Chloroacetyl)-N,N-bis(2-chloroethyl)tetrahydro-2H-1,3,2- oxazaphosphorin-2-amine-d4
5 mg $650   Add to Cart
25 mg $950   Add to Cart
100 mg $2,350   Add to Cart
82470 2-(p-Chlorobenzhydryl piperazine)-[(N,N’-bis(2-ethoxy acetic acid )]
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63590 2-(4-Chlorobutoxy)tetrahydropyran
1 g $610   Add to Cart
10 g $640   Add to Cart
D68613 5-(4-Chlorobutyl)-1-cyclohexyl-d4-tetrazole
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63593 8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione
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D63594 8-(4-Chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione-d8
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63647 N-Chlorocarbonyl Desloratadine
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19126 3-Acetyl-3-chlorodihydrofuranone
Synonyms:
2-Chloro-2-(2-hydroxyethyl)acetoacetic Acid γ-lactone; 2-Acetyl-2-chlorobutyrolactone;
250 mg $870   Add to Cart
2.5 g $1,960   Add to Cart
8324 3-(2-Chloroethyl)-2-methyl-4H-pyrido[1,2-α]pyrimidin-4-one
Synonyms:
3-(2-Chloroethyl)-2-methylpyrido[1,2-α]pyrimidin-4-one;
100 mg $890   Add to Cart
0.5 g $2,120   Add to Cart
8322 3-(2-Chloroethyl)-2-methyl-9-(benzyloxy)-4H-pyrido[1,2a]pyrimidin -4-one
10 mg $850   Add to Cart
50 mg $1,800   Add to Cart
8330 3-(2-Chloroethyl)-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H- pyrido[1,2-α]pyrimidin-4-one
10 mg $875   Add to Cart
50 mg $2,000   Add to Cart
63196 2-[3-[Bis(2-chloroethyl)amino]propyl]-1,2,4-triazolo[4,3-α] pyridin-3(2H)-one
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63609 7-(2-Chloroethyl)guanine
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63615 4-(2-Chloroethyl)morpholine HCl
10 g $620   Add to Cart
100 g $775   Add to Cart
63614 3-(2-Chloroethyl)octahydro-2-hydroxy-1,3,6,2-oxadiazaphosphonine 2-Oxide
250 mg $640   Add to Cart
2.5 g $2,120   Add to Cart
63629 N-(β-Chloroethyl)piperidine HCl
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63618 1-(2-Chloroethyl)pyrrolidine HCl
25 g $610   Add to Cart
100 g $675   Add to Cart
63619 1-(2-Chloroethyl)tetrahydro-1H,5H-[1,3,2]diazaphospholo[2,1- β][1,3,2]oxazaphosphorine 9-Oxide
500 mg $650   Add to Cart
5 g $2,200   Add to Cart
63634 3β,6β-Chlorogenin
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15788 5-Chloroindoline
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63644 2-Chloroisonicotinic Acid
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63669 4-(Chloromethyl)-2,5-oxazolidinedione
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D63670 4-(Chloromethyl)-2,5-oxazolidinedione-d3
1 mg $640   Add to Cart
10 mg $2,120   Add to Cart
15642 5-(chloromethyl)-2-methylpyridine
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15949 2-(chloromethyl)-4,5-dihydro-mono-1H-Imidazole HCl
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15645 2-(chloromethyl)-4-Pyrimidinamine (9CI)
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63651 3-(Chloromethyl)-6-methoxypyridazine
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15777 2-(Chloromethyl)benzimidazole
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C63673 4-Chloromethyl-2,2-dimethyl-1,3-dioxolane-13C3
1 mg $640   Add to Cart
10 mg $2,120   Add to Cart
8381 1-(4-Chloromethyl-2-thiazoyl)guanidine HCl salt
5 g $190   Add to Cart
10 g $590   Add to Cart
C68703 1-(4-Chloromethyl-2-thiazoyl)guanidine-13C3 HCl Salt
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8372 2-Chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine Hydrochloride
10 g $490   Add to Cart
50 g $1,390   Add to Cart
63672 2-Chloromethyl-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine N-Oxide
10 mg $650   Add to Cart
100 mg $2,200   Add to Cart
8362 2-Chloromethyl-4-(3-methoxypropoxy)-3-methylpyridine HCl
50 mg $190   Add to Cart
250 mg $590   Add to Cart
63671 4-Chloromethyl-5-methyl-1,3-dioxol-2-one
10 g $640   Add to Cart
100 g $2,120   Add to Cart
15606 2-chloromethyl-pyrimidine
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8373 7-Chloromethyloxy-carbonyloxy-6-(5-chloropyridin-2-yl)-6,7- dihydro-5H-pyrrolo[3,4-β]pyrazin-5-one
Synonyms:
Chloromethyl Carbonic Acid 6-(5-chloro-2-pyridinyl)-6,7-dihydro-7 -oxo-5H-pyrrolo[3,4-β]pyrazin-5-yl Ester;
10 mg $290   Add to Cart
50 mg $690   Add to Cart
15612 2,6-bis-chloromethylpyridine
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63675 (S)-6-Chloronicotine
100 mg $675   Add to Cart
1 g $2,400   Add to Cart
15849 2-Chloronicotinonitrile
Synonyms:
2-Chloro-3-pyridinecarbonitrile;
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63686 2-Chlorooxazole-4-carboxylic Acid
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D63695 (+/-)-(2-Chlorophenyl)-(6,7-dihydro-4H-thieno[3,2-c]pyrid-5-yl) acetonitrile-d4
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
63694 rac-2-(2-Chlorophenyl)-(6,7-dihydro-4H-thieno[3,2-c]pyridin-5-yl) acetonitrile
5 mg $610   Add to Cart
50 mg $1,380   Add to Cart
8417 (+/-)-rac-2-(2-Chlorophenyl)-(6,7-dihydro-4H-thieno[3,2-c]pyridin -5-yl)acetonitrile
5 mg $860   Add to Cart
25 mg $1,880   Add to Cart
8427 3-(4-Chlorophenyl)-1,2,4-oxadiazole-5-butanoic Acid
Synonyms:
4-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]butanoic Acid;
250 mg $890   Add to Cart
1.25 g $2,120   Add to Cart
63691 1-(4-Chlorophenyl)-1,2-dihydro-3H-pyrazol-3-one
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91732 5-(3-Chlorophenyl)-2-furoic Acid
Synonyms:
5-(3-Chlorophenyl)-2-furancarboxylic Acid; 5-(3-Chlorophenyl)-2- furoic Acid; 5-(m-Chlorophenyl)-2-furancarboxylic Acid;
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63713 (3R)-N-[(1R)-1-[(4-Chlorophenyl)methyl]-2-[4-cyclohexyl-4-(1H-1,2 ,4-triazol-1-ylmethyl)-1-piperidinyl]-2-oxoethyl]-1,2,3,4- tetrahydro-3-isoquinolinecarboxamide
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D8416 (+/-)-rac-2-(2-Chlorophenyl-d4)-(6,7-dihydro-4H-thieno[3,2-c] pyridin-5-yl)acetamide 98%D
1 mg $900   Add to Cart
5 mg $2,200   Add to Cart
63699 Chlorophyll (contains 0.5% Chlorophylls)
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63702 Chlorophyll A
1 mg $590   Add to Cart
63701 Chlorophyll b (>90%)
0.5 mg $675   Add to Cart
2.5 mg $1,150   Add to Cart
5 mg $2,200   Add to Cart
63715 Chlorophyllin Copper Trisodium Salt
25 g $610   Add to Cart
50 g $650   Add to Cart
100 g $685   Add to Cart
63717 5-(3-Chloropropyl)-1-cyclohexyltetrazole
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63698 5-(3-Chloropropyl)-3-methylisoxazole
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63696 1-(3-Chloropropyl)-4-methylpiperazine DiHCl
5 g $610   Add to Cart
25 g $650   Add to Cart
250 g $2,200   Add to Cart
63697 4-(3-Chloropropyl)morpholine
1 g $620   Add to Cart
10 g $1,460   Add to Cart
91798 6-Chloropurine Riboside 5’-Triphosphate Triethylamine Salt
Synonyms:
6-Chloro-9-[5-O-[hydroxy[[hydroxy(phosphonooxy)phosphinyl]oxy] phosphinyl]- β-D-ribofuranosyl]-9H-purine Triethylamine Salt;
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16096 3-chloropyrazine-2-carbonitrile
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16106 3-chloropyrazine-2-carboxylic acid
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73524 5-Chloropyrazine-2-carboxylic acid
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16032 5-chloropyrazolo[1,5-α]pyrimidine
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15807 (3-Chloropyridazin-6-yl)hydrazine
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16049 3-Chloropyridazine
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16037 6-chloropyridazine-3-carboxylic acid
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16093 6-chloropyridazine-4-carboxylic acid
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D32526 3-Chloropyridine-d4 98%D
0.25 g $925   Add to Cart
0.5 g $1,650   Add to Cart
D8451 2-Chloropyridine-d4 99%D
100 mg $190   Add to Cart
500 mg $690   Add to Cart
16025 6-chloropyridine-3-carbonitrile
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63706 4-Chloropyridinesulfonic Acid
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63721 4-Chloropyrido[3,4-d]pyrimidine
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15977 2-chloropyrimidin-5-amine
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15625 2-Chloropyrimidine
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63737 4-Chloroquinazolin-2-yl)(quinolin-2-yl)methanone
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D74856 Chloroquine-d5 Diphosphate
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CN8447 Chlorothiazide-13C,15N2
Synonyms:
6-Chloro-7-sulfamyl-1,2,4-benzothiadiazine-1,1-dioxide-13C, 15N2; 6-Chloro-2H-1,2,4-benzothiadiazine-7-sulfonamide-13C,15N2 1,1-dioxide; Chlotride-13C,15N2; Diuril-13C,15N2; Saluric-13C,15N; 		98%:13C, 98%:15N2
1 mg $890   Add to Cart
5 mg $2,120   Add to Cart
63725 1-[3-(2-Chlorothioxanthen-9-ylidene)propyl]piperazine Succinate
250 mg $650   Add to Cart
2.5 g $2,200   Add to Cart
8475 5-Chlorouracil
Synonyms:
5-Chloro-2,4(1H,3H)-pyrimidinedione; 5-Chloro-2,4-pyrimidinedione; NSC 28172;
100 g $490   Add to Cart
CN8476 5-Chlorouracil-15N2,13C
Synonyms:
5-Chloro-2,4(1H,3H)-pyrimidinedione-15N2,13C; 5-Chloro-2,4-pyrimidinedione-15N2,13C; NSC 28172-15N2,13C; 		98%:15N2, 98%:13C
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D63734 (E)-Chlorprothixene-d6 HCl
1 mg $675   Add to Cart
10 mg $2,400   Add to Cart
63735 Chlorpyrifos Oxon
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D63736 Chlorpyrifos Oxon-d10
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63738 (R)-1-((S)-Chroman-2-yl)-2-(phenylamino)ethanol HCl(Mixture of 4 Diastereomers)
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D63750 Cimetidine Sulfoxide-d3
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63751 1,8-Cineol
Synonyms:
Eucalyptol; 1,8-Epoxy-p-menthane; 1,3,3-Trimethyl-2- oxabicyclo[2.2.2]octane; 1,8-Cineole;
100 mg $290   Add to Cart
D8500 1,8-Cineol-d3
Synonyms:
1,3,3-Trimethyl-2-oxabicyclo[2.2.2]octane-d3; 1,8-Cineole-d3; 1,8-Epoxy -p-menthane-d3; 2-Oxa-1,3,3-trimethylbicyclo[2.2.2]octane-d3; Cajeputol-d3; Cineol-d3; Cineole-d3; Eucalyptol-d3; Eucalyptole-d3; Eucapur-d3;
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8521 Citalopram N-Oxide
Synonyms:
1-[3-(Dimethyloxidoamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro - 5-isobenzofurancarbonitrile; 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5- isobenzofurancarbonitrile N1-Oxide; Lu 11-305;
1 mg $875   Add to Cart
5 mg $2,000   Add to Cart
D8522 Citalopram-d6 N-Oxide
Synonyms:
1-[3-(Dimethyl-d6-oxidoamino)propyl]-1-(4-fluorophenyl)-1,3- dihydro -5-isobenzofurancarbonitrile; 1-[3-(Dimethyl-d6-amino)propyl]-1-(4-fluorophenyl)-1,3- dihydro-5-isobenzofurancarbonitrile N1-Oxide; Lu 11-305-d6; 		98%D
1 mg $925   Add to Cart
5 mg $2,400   Add to Cart
63760 rac Clavam-2-carboxylic Acid Sodium Salt
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63761 Clavulanic acid dimer impurity
Synonyms:
Potassium Clavunate Impurity E;
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63765 (S)-Cloperastine
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63766 (R)-Cloperastine
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D63767 Clopidogrel Amide-d4
1 mg $650   Add to Cart
10 mg $2,200   Add to Cart
63774 Colistin A Sulfate Hydrate
0.5 mg $390   Add to Cart
63776 Colistin B
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63778 Columbianedin
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63781 (-)-Corey Lactone Diol
250 mg $650   Add to Cart
1 g $975   Add to Cart
5 g $2,250   Add to Cart
63789 (+)-Costunolide
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65760 S-(-)-Cotinine in methanol
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D63792 (R,S)-Cotinine-d3 N-Oxide
5 mg $625   Add to Cart
50 mg $2,000   Add to Cart
63793 Coumalic Acid
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D1782 Coumarin- 5,6,7,8-d4 98%D
10 mg $750   Add to Cart
50 mg $1,595   Add to Cart
63794 CP 1282
10 mg $675   Add to Cart
100 mg $2,400   Add to Cart
63798 Crospovidone ~40,000
2.5 g $610   Add to Cart
5 g $625   Add to Cart
10 g $635   Add to Cart
100 g $650   Add to Cart
63800 CUDC-907
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D63801 CUDC-907-d3
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8606 CV-6209
Synonyms:
2-(2-Acetyl-6-methoxy-3,9-dioxo-4,8-dioxa-2,10-diazaoctacos-1-yl) -1-ethyl-pyridinium Chloride;
1 mg $290   Add to Cart
63808 3-[2-(5-Cyano-1,2-dihydro-6-hydroxy-4-methyl-2-oxo-3-pyridinyl) diazenyl]-4-methoxybenzenesulfonic Acid
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63809 3-Cyano-2,6-dihydroxy-4-methylpyridine
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63811 2-Cyano-2-ethyl-3-methylhexanoic Acid Ethyl Ester
100 mg $625   Add to Cart
250 mg $750   Add to Cart
1 g $1,250   Add to Cart
D63812 2-Cyano-2-ethyl-3-methylhexanoic Acid Ethyl Ester-d5
2.5 mg $625   Add to Cart
10 mg $875   Add to Cart
25 mg $1,250   Add to Cart
63828 1-(3-Cyano-2-pyridyl)-4-methyl-2-phenylpiperazine
5 mg $675   Add to Cart
50 mg $2,400   Add to Cart
D63829 1-(3-Cyano-2-pyridyl)-4-methyl-2-phenylpiperazine-d4
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63822 4-Cyano-3-methylpyridine
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63815 2-(3-Cyano-4-hydroxyphenyl)-4-methyl-1,3-thiazole-5-carboxylic Acid Ethyl Ester
100 mg $610   Add to Cart
1 g $650   Add to Cart
5 g $750   Add to Cart
10 g $875   Add to Cart
63813 2-Cyano-4-methylhexanoic Acid Ethyl Ester
250 mg $650   Add to Cart
1 g $950   Add to Cart
2.5 g $1,400   Add to Cart
63817 3-Cyano-6-methyl-2(1H)-pyridinone
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8628 3-Cyanoacetyl-5-methoxyindole
250 mg $875   Add to Cart
1.25 g $2,000   Add to Cart
8629 2-Cyanoacetyl-N-methylpyrrole
250 mg $875   Add to Cart
1.25 g $2,000   Add to Cart
8627 3-Cyanoacetylindole
250 mg $860   Add to Cart
1.25 g $1,880   Add to Cart
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