Halogenated Heterocycles

Browse halogenated heterocycles for cross-coupling, scaffold diversification, and medicinal chemistry workflows. These intermediates help support rapid analogue synthesis around heteroaromatic cores.

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  1. 2-Amino-5-chlorobenzoxazole, Activator of K Ca2.2
    CAS: 61-80-3 EC Number: 200-519-4 Formula: C7H5ClN2O Molecular Weight: 168.58
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%
    In Stock Item #: A129619
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    IUPAC Name
    5-chloro-1,3-benzoxazol-2-amine
    SMILES
    C1=CC2=C(C=C1Cl)N=C(O2)N
    InChIKey
    YGCODSQDUUUKIV-UHFFFAOYSA-N
    InChI
    1S/C7H5ClN2O/c8-4-1-2-6-5(3-4)10-7(9)11-6/h1-3H,(H2,9,10)
    Synonyms
    2-Amino-5-chlorobenzoxazole, 97% | NSC24995 | NSC-24995 | Zoxazolamine [INN:BAN:NF] | GTPL2327 | KBio3_002665 | Spect...
  2. 5-Bromo-1,3-dimethylpyrimidine-2,4(1H,3H)-dione
    CAS: 7033-39-8 Formula: C6H7BrN2O2 Molecular Weight: 219.04
    In Stock Item #: B194683
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    IUPAC Name
    5-bromo-1,3-dimethylpyrimidine-2,4-dione
    SMILES
    CN1C=C(C(=O)N(C1=O)C)Br
    InChIKey
    QITOSXPGCRFMDG-UHFFFAOYSA-N
    InChI
    1S/C6H7BrN2O2/c1-8-3-4(7)5(10)9(2)6(8)11/h3H,1-2H3
    Synonyms
    Uracil, 5-bromo-1,3-dimethyl- | D74897 | 5-Bromo-1,3-dimethyl-1H-pyrimidine-2,4-dione | EN300-269988 | OW45B79UZD | U...
  3. 4,5-Dichlorothiophene-2-sulfonamide
    CAS: 256353-34-1 EC Number: 625-277-0 Formula: C4H3Cl2NO2S2 Molecular Weight: 232.11
    In Stock Item #: D130090
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    IUPAC Name
    4,5-dichlorothiophene-2-sulfonamide
    SMILES
    C1=C(SC(=C1Cl)Cl)S(=O)(=O)N
    InChIKey
    JKBNSTFOQDGQLS-UHFFFAOYSA-N
    InChI
    1S/C4H3Cl2NO2S2/c5-2-1-3(10-4(2)6)11(7,8)9/h1H,(H2,7,8,9)
    Synonyms
    J-506941 | EN300-1725792 | SCHEMBL1137322 | 2,3-Dichlorothiophene-5-sulfonamide | 4,5-Dichloro-2-thiophenesulfonamide...
  4. 3,4-Difluorobenzamide
    CAS: 85118-04-3 Formula: C7H5F2NO Molecular Weight: 157.12
    In Stock Item #: D155096
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    IUPAC Name
    3,4-difluorobenzamide
    SMILES
    C1=CC(=C(C=C1C(=O)N)F)F
    InChIKey
    CMWOHNIHUBDEAG-UHFFFAOYSA-N
    InChI
    1S/C7H5F2NO/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,(H2,10,11)
    Synonyms
    EINECS 285-656-8 | InChI=1/C7H5F2NO/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3H,(H2,10,11) | SB76334 | Z82670082 | 2HO | CMWOHNI...
  5. 2-chloro-4-(biphenyl-3-yl)-6-phenyl-1,3,5-triazine
    CAS: 1689576-03-1 Formula: C21H14C1N3 Molecular Weight: 343.809
    In Stock Item #: C398004
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    IUPAC Name
    2-chloro-4-phenyl-6-(3-phenylphenyl)-1,3,5-triazine
    SMILES
    C1=CC=C(C=C1)C2=CC(=CC=C2)C3=NC(=NC(=N3)C4=CC=CC=C4)Cl
    InChIKey
    BYPCJJONRMPERB-UHFFFAOYSA-N
    InChI
    1S/C21H14ClN3/c22-21-24-19(16-10-5-2-6-11-16)23-20(25-21)18-13-7-12-17(14-18)15-8-3-1-4-9-15/h1-14H
    Synonyms
    1689576-03-1 | 2-chloro-4-(biphenyl-3-yl)-6-phenyl-1,3,5-triazine | 2-([1,1'-Biphenyl]-3-yl)-4-chloro-6-phenyl-1,3,5-...
  6. (Pentafluorophenoxy)acetyl chloride
    CAS: 55502-53-9 PubChem CID: 97020 Formula: C8H2ClF5O2 Molecular Weight: 260.55
    Out of Stock Item #: P340012
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    IUPAC Name
    2-(2,3,4,5,6-pentafluorophenoxy)acetyl chloride
    SMILES
    C(C(=O)Cl)OC1=C(C(=C(C(=C1F)F)F)F)F
    InChIKey
    WQLJMPAQIWVNGS-UHFFFAOYSA-N
    InChI
    1S/C8H2ClF5O2/c9-2(15)1-16-8-6(13)4(11)3(10)5(12)7(8)14/h1H2
    Synonyms
    2,3,4,5,6-PENTAFLUOROPHENOXYACETYL CHLORIDE | ACETYL CHLORIDE, 2-(2,3,4,5,6-PENTAFLUOROPHENOXY)- | SCHEMBL3026303 | N...
  7. 1H-Pyrrolo[2,3-b]pyridin-4-yltrifluoromethanesulfonate
    CAS: 479552-94-8 Formula: C8H5F3N2O3S Molecular Weight: 266.2
    Out of Stock Item #: H331547
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    IUPAC Name
    1H-pyrrolo[2,3-b]pyridin-4-yl trifluoromethanesulfonate
    SMILES
    C1=CNC2=NC=CC(=C21)OS(=O)(=O)C(F)(F)F
    InChIKey
    LRYTVOHQGBBSAZ-UHFFFAOYSA-N
    InChI
    1S/C8H5F3N2O3S/c9-8(10,11)17(14,15)16-6-2-4-13-7-5(6)1-3-12-7/h1-4H,(H,12,13)
    Synonyms
    1H-Pyrrolo[2,3-b]pyridin-4-yl trifluoromethanesulfonate | MFCD09763669 | DTXSID90625963 | 1H-Pyrrolo[2,3-b]pyridin-4-...
  8. 2,6-Dichloro-3-(trifluoromethyl)pyridine
    CAS: 55304-75-1 EC Number: 259-585-8 Formula: C6H2Cl2F3N Molecular Weight: 215.99
    In Stock Item #: D113527
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    Technical Identifiers
    IUPAC Name
    2,6-dichloro-3-(trifluoromethyl)pyridine
    SMILES
    C1=CC(=NC(=C1C(F)(F)F)Cl)Cl
    InChIKey
    UPWAAFFFSGQECJ-UHFFFAOYSA-N
    InChI
    1S/C6H2Cl2F3N/c7-4-2-1-3(5(8)12-4)6(9,10)11/h1-2H
    Synonyms
    2,6-Dichloro-3-trifluoromethylpyridine | 2,6-Dichloro-3-trifluoromethyl-pyridine
  9. 2-(Difluoromethyl)pyridine
    CAS: 114468-01-8 Formula: C6H5F2N Molecular Weight: 129.11
    In Stock Item #: D166109
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    Technical Identifiers
    IUPAC Name
    2-(difluoromethyl)pyridine
    SMILES
    C1=CC=NC(=C1)C(F)F
    InChIKey
    KUHSAAHTEMAJTF-UHFFFAOYSA-N
    InChI
    1S/C6H5F2N/c7-6(8)5-3-1-2-4-9-5/h1-4,6H
    Synonyms
    MFCD11226632 | InChI=1/C6H5F2N/c7-6(8)5-3-1-2-4-9-5/h1-4,6 | AKOS005255865 | difluoromethylpyridine | FS-4708 | BBL10...
  10. 2-(Dimethoxymethyl)-6-fluoro-1,8-naphthyridine
    CAS: 1222533-72-3 PubChem CID: 49761597 Formula: C11H11FN2O2 Molecular Weight: 222.22
    Out of Stock Item #: D166569
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    IUPAC Name
    2-(dimethoxymethyl)-6-fluoro-1,8-naphthyridine
    SMILES
    COC(C1=NC2=NC=C(C=C2C=C1)F)OC
    InChIKey
    DAVIBRODJFTHQN-UHFFFAOYSA-N
    InChI
    1S/C11H11FN2O2/c1-15-11(16-2)9-4-3-7-5-8(12)6-13-10(7)14-9/h3-6,11H,1-2H3
    Synonyms
    DTXSID60678401 | 2-(Dimethoxymethyl)-6-fluoro-1,8-naphthyridine, AldrichCPR | 1,8-Naphthyridine, 2-(dimethoxymethyl)-...
  11. 2-Chloro-7-methoxy-3-methylquinoline
    CAS: 132118-45-7 Formula: C11H10ClNO Molecular Weight: 207.66
    In Stock Item #: C166956
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    IUPAC Name
    2-chloro-7-methoxy-3-methylquinoline
    SMILES
    CC1=CC2=C(C=C(C=C2)OC)N=C1Cl
    InChIKey
    KVBVZTHTUJBHOF-UHFFFAOYSA-N
    InChI
    1S/C11H10ClNO/c1-7-5-8-3-4-9(14-2)6-10(8)13-11(7)12/h3-6H,1-2H3
    Synonyms
    SCHEMBL6033527 | AKOS002676315 | KVBVZTHTUJBHOF-UHFFFAOYSA-N | DTXSID50576149 | Quinoline, 2-chloro-7-methoxy-3-methy...
  12. 4-chloro-1H-pyrrolo[2,3-c]pyridine
    CAS: 1188313-15-6 Formula: C7H5ClN2 Molecular Weight: 152.58
    Solid ≥97%
    In Stock Item #: C172395
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    Technical Identifiers
    IUPAC Name
    4-chloro-1H-pyrrolo[2,3-c]pyridine
    SMILES
    C1=CNC2=CN=CC(=C21)Cl
    InChIKey
    UMYWTYDKYPYCGX-UHFFFAOYSA-N
    InChI
    1S/C7H5ClN2/c8-6-3-9-4-7-5(6)1-2-10-7/h1-4,10H
    Synonyms
    PB15239 | 4-chloro-1H-pyrrolo[2,3-c]pyridine | J-514891 | A804115 | FT-0653870 | SY034850 | AS-82139 | W-205023 | AM2...
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Frequently Asked Questions

How do I find the right Halogenated Heterocycles for my target?
Start with retrosynthetic analysis to identify key disconnections. Filter by functional group, ring system, and protecting group strategy. Match purity grade to your scale — research scale tolerates lower purity than process chemistry.
What specifications matter for Halogenated Heterocycles?
Purity (≥95% typical, ≥98% for medicinal chemistry), regioisomer purity, water content for moisture-sensitive groups, stereochemistry for chiral compounds, and pack size. Check storage requirements and shelf life.
Are stereochemically pure variants available?
Yes. For chiral building blocks, enantiomeric and diastereomeric purity ratings are provided. Look for compounds with ≥99% ee for asymmetric synthesis applications.
How can I search for specific structures?
Use the filters by functional group, ring system, halogen content, or molecular weight range. You can also search by CAS number, SMILES string, or molecular formula for exact-match queries.

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