CRFR

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  1. NBI 35965 hydrochloride
    CAS: 1782228-59-4 PubChem CID: 71433630 Formula: C21H22Cl2N4•HCl Molecular Weight: 437.79
    ◐ .Made to order · 8–12 wks Item #: N288172
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    IUPAC Name
    (10S)-9-(cyclopropylmethyl)-3-(2,4-dichlorophenyl)-10-ethyl-6-methyl-1,2,5,9-tetrazatricyclo[6.3.1.04,12]dodeca-2,4,6,8(12)-tetraene;hydrochloride
    SMILES
    CCC1CN2C3=C(N1CC4CC4)C=C(N=C3C(=N2)C5=C(C=C(C=C5)Cl)Cl)C.Cl
    InChIKey
    LNYUWBPFYXPUIO-RSAXXLAASA-N
    InChI
    1S/C21H22Cl2N4.ClH/c1-3-15-11-27-21-18(26(15)10-13-4-5-13)8-12(2)24-20(21)19(25-27)16-7-6-14(22)9-17(16)23;/h6-9,13,15H,3-5,10-11H2,1-2H3;1H/t15-;/m0.show more
    Synonyms
    1782228-59-4 | DTXSID10849508 | (10S)-9-(cyclopropylmethyl)-3-(2,4-dichlorophenyl)-10-ethyl-6-methyl-1,2,5,9-tetrazat...
  2. NBI 27914 hydrochloride, Antagonist of CRF 1 receptor
    CAS: 184241-44-9 EC Number: 634-053-1 Formula: C18H20Cl4N4 Molecular Weight: 434.19
    Solid Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥99%
    ◐ .Made to order · 8–12 wks Item #: N332118
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    IUPAC Name
    5-chloro-4-N-(cyclopropylmethyl)-2-methyl-4-N-propyl-6-N-(2,4,6-trichlorophenyl)pyrimidine-4,6-diamine
    SMILES
    CCCN(CC1CC1)C2=NC(=NC(=C2Cl)NC3=C(C=C(C=C3Cl)Cl)Cl)C
    InChIKey
    KNADXBVKFAUMCR-UHFFFAOYSA-N
    InChI
    1S/C18H20Cl4N4/c1-3-6-26(9-11-4-5-11)18-15(22)17(23-10(2)24-18)25-16-13(20)7-12(19)8-14(16)21/h7-8,11H,3-6,9H2,1-2H3,(H,23,24,25)
    Synonyms
    CAS-29964-84-9 | NCGC00015737-04 | NCGC00015737-05 | NCGC00015737-08 | 4,6-Pyrimidinediamine, 5-chloro-N-(cyclopropyl...
  3. NBI 27914 hydrochloride
    CAS: 1215766-76-9 Formula: C18H21Cl5N4 Molecular Weight: 470.66
    Solid ≥98%
    ● In Stock — US warehouse, ships to EU* Item #: N286821
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    IUPAC Name
    5-chloro-4-N-(cyclopropylmethyl)-2-methyl-4-N-propyl-6-N-(2,4,6-trichlorophenyl)pyrimidine-4,6-diamine;hydrochloride
    SMILES
    CCCN(CC1CC1)C2=NC(=NC(=C2Cl)NC3=C(C=C(C=C3Cl)Cl)Cl)C.Cl
    InChIKey
    CPMGENCTAWBLNW-UHFFFAOYSA-N
    InChI
    1S/C18H20Cl4N4.ClH/c1-3-6-26(9-11-4-5-11)18-15(22)17(23-10(2)24-18)25-16-13(20)7-12(19)8-14(16)21;/h7-8,11H,3-6,9H2,1-2H3,(H,23,24,25);1H
    Synonyms
    5-chloro-4-N-(cyclopropylmethyl)-2-methyl-4-N-propyl-6-N-(2,4,6-trichlorophenyl)pyrimidine-4,6-diamine;hydrochloride
  4. R 121919 hydrochloride
    CAS: 195055-66-4 PubChem CID: 22029352 Formula: C₂₂H₃₂N₆•HCl Molecular Weight: 416.99
    ◐ .Made to order · 8–12 wks Item #: R287238
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    IUPAC Name
    3-[6-(dimethylamino)-4-methylpyridin-3-yl]-2,5-dimethyl-N,N-dipropylpyrazolo[1,5-a]pyrimidin-7-amine;hydrochloride
    SMILES
    CCCN(CCC)C1=CC(=NC2=C(C(=NN12)C)C3=CN=C(C=C3C)N(C)C)C.Cl
    InChIKey
    LGDDPMVPDGTXMV-UHFFFAOYSA-N
    InChI
    1S/C22H32N6.ClH/c1-8-10-27(11-9-2)20-13-16(4)24-22-21(17(5)25-28(20)22)18-14-23-19(26(6)7)12-15(18)3;/h12-14H,8-11H2,1-7H3;1H
    Synonyms
    3-[6-(Dimethylamino)-4-methylpyridin-3-yl]-2,5-dimethyl-N,N-dipropylpyrazolo[1,5-a]pyrimidin-7-amine--hydrogen chlori...
  5. R-121919, Antagonist of CRF 1 receptor
    CAS: 195055-03-9 PubChem CID: 9821250 Formula: C22H32N6 Molecular Weight: 380.54
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥97%
    ◐ .Made to order · 8–12 wks Item #: R175432
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    IUPAC Name
    3-[6-(dimethylamino)-4-methylpyridin-3-yl]-2,5-dimethyl-N,N-dipropylpyrazolo[1,5-a]pyrimidin-7-amine
    SMILES
    CCCN(CCC)C1=CC(=NC2=C(C(=NN12)C)C3=CN=C(C=C3C)N(C)C)C
    InChIKey
    ANNRUWYFVIGKHA-UHFFFAOYSA-N
    InChI
    1S/C22H32N6/c1-8-10-27(11-9-2)20-13-16(4)24-22-21(17(5)25-28(20)22)18-14-23-19(26(6)7)12-15(18)3/h12-14H,8-11H2,1-7H3
    Synonyms
    A13535 | NBI 30775 | HY-14127 | R 121919 | 3-[6-(dimethylamino)-4-methylpyridin-3-yl]-2,5-dimethyl-N,N-dipropylpyrazo...
  6. Urocortin rat
    CAS: 171543-83-2 PubChem CID: 137699472 Formula: C206H338N62O64 Molecular Weight: 4707.26
    ◐ .Made to order · 8–12 wks Item #: U118945
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    IUPAC Name
    (4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-show more
    SMILES
    CCC(C)C(C(=O)NC(C(C)CC)C(=O)NC(CC1=CC=CC=C1)C(=O)NC(CC(=O)O)C(=O)NC(CO)C(=O)NC(C(C)C)C(=O)N)NC(=O)C(CCCNC(=N)N)NC(=O)C(CC(=O)N)NC(=O)C(CCC(=O)N)NC(=O)show more
    InChIKey
    BTOGVDGOXGIAEB-FJAJBMFWSA-N
    InChI
    1S/C206H338N62O64.C2HF3O2/c1-28-102(20)156(262-192(323)141(92-271)258-182(313)129(78-98(12)13)251-193(324)142-53-42-72-267(142)201(332)143-54-43-73-26show more
    Synonyms
    H-Asp-Asp-Pro-Pro-Leu-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Thr-Leu-Leu-Glu-Leu-Ala-Arg-Thr-Gln-Ser-Gln-Arg-Glu-Arg...
  7. Pexacerfont, Corticotropin releasing factor receptor 1 antagonist
    CAS: 459856-18-9 PubChem CID: 9884366 Formula: C18H24N6O Molecular Weight: 340.43
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥98%(HPLC)
    ◐ .Made to order · 8–12 wks Item #: P287633
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    IUPAC Name
    N-[(2R)-butan-2-yl]-8-(6-methoxy-2-methylpyridin-3-yl)-2,7-dimethylpyrazolo[1,5-a][1,3,5]triazin-4-amine
    SMILES
    CCC(C)NC1=NC(=NC2=C(C(=NN21)C)C3=C(N=C(C=C3)OC)C)C
    InChIKey
    LBWQSAZEYIZZCE-SNVBAGLBSA-N
    InChI
    1S/C18H24N6O/c1-7-10(2)19-18-22-13(5)21-17-16(12(4)23-24(17)18)14-8-9-15(25-6)20-11(14)3/h8-10H,7H2,1-6H3,(H,19,21,22)/t10-/m1/s1
    Synonyms
    D70085 | D10022 | LF1VBG4ZUK | Pexacerfont [USAN:INN] | ZB1563 | AKOS004115453 | BMS 562086 | EX-A3079 | AKOS04074238...
  8. Adrenocorticotropic Hormone Fragment 1-24 human, Melanocortin receptor 2 agonist
    CAS: 16960-16-0 EC Number: 241-031-1 PubChem CID: 16133802 Formula: C136H210N40O31S Molecular Weight: 2933.44
    ≥97%(HPLC) contains acetic acid 0-13%
    ● In Stock — US warehouse, ships to EU* Item #: A118751
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    IUPAC Name
    (2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-6-amino-2-[[2-[[(2S)-2-[[(2S)-1-[(2S)-6-amino-2-[[show more
    SMILES
    CC(C)C(C(=O)NCC(=O)NC(CCCCN)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(CCCNC(=N)N)C(=O)N1CCCC1C(=O)NC(C(C)C)C(=O)NC(CCCCN)C(=O)NC(C(C)C)C(=O)NC(CC2=CC=Cshow more
    InChIKey
    ZOEFCCMDUURGSE-SQKVDDBVSA-N
    InChI
    1S/C136H210N40O31S/c1-75(2)109(127(200)154-71-106(181)156-88(31-13-17-52-137)114(187)158-89(32-14-18-53-138)115(188)159-91(35-21-56-149-134(142)143)11show more
    Synonyms
    Tetracosactid | CYCLIC NIGEROSYL-(1->6)-NIGEROSE | alpha(1-24)-Corticotropin | Corticotropin (1-24)-Tetracosapeptide ...
  9. Urotensin I
    CAS: 83930-33-0 Formula: C210H340N62O67S2 Molecular Weight: 4869.45
    ◐ .Made to order · 8–12 wks Item #: U118948
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    Synonyms
    H-Asn-Asp-Asp-Pro-Pro-Ile-Ser-Ile-Asp-Leu-Thr-Phe-His-Leu-Leu-Arg-Asn-Met-Ile-Glu-Met-Ala-Arg-Ile-Glu-Asn-Glu-Arg-Glu...
  10. Antalarmin hydrochloride
    CAS: 220953-69-5 Formula: C24H34N4•HCl Molecular Weight: 415.01
    Solid ≥99%
    ● In Stock — US warehouse, ships to EU* Item #: A286834
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    IUPAC Name
    N-butyl-N-ethyl-2,5,6-trimethyl-7-(2,4,6-trimethylphenyl)pyrrolo[2,3-d]pyrimidin-4-amine;hydrochloride
    SMILES
    CCCCN(CC)C1=NC(=NC2=C1C(=C(N2C3=C(C=C(C=C3C)C)C)C)C)C.Cl
    InChIKey
    CGDGXEDXEXACKQ-UHFFFAOYSA-N
    InChI
    1S/C24H34N4.ClH/c1-9-11-12-27(10-2)23-21-18(6)19(7)28(24(21)26-20(8)25-23)22-16(4)13-15(3)14-17(22)5;/h13-14H,9-12H2,1-8H3;1H
    Synonyms
    DTXSID00582018 | E98747 | Antalarmin hydrochloride, >=98% (HPLC), solid | HY-103377 | Butyl-ethyl-[2,5,6-trimethyl-7-...
  11. Urocortin human, Agonist of CRF 1 receptor;Agonist of CRF 2 receptor
    CAS: 176591-49-4 PubChem CID: 137699473 Formula: C204H337N63O64 Molecular Weight: 4696.24
    Moligand™ ? Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools. ≥85%(HPLC)
    ● In Stock — US warehouse, ships to EU* Item #: U118944
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    IUPAC Name
    4-[2-[[2-[[2-[[2-[[5-amino-2-[[2-[[5-amino-2-[[2-[[2-[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[2-[[1-[4-amino-2-[(2-amino-3show more
    SMILES
    CCC(C)C(C(=O)NC(C(C)CC)C(=O)NC(CC1=CC=CC=C1)C(=O)NC(CC(=O)O)C(=O)NC(CO)C(=O)NC(C(C)C)C(=O)N)NC(=O)C(CCCNC(=N)N)NC(=O)C(CC(=O)N)NC(=O)C(CCC(=O)N)NC(=O)show more
    InChIKey
    BIIOOWPFSOAZSO-UHFFFAOYSA-N
    InChI
    1S/C204H337N63O64/c1-28-100(20)154(262-191(323)140(90-271)257-180(312)127(75-96(12)13)247-189(321)138(88-269)259-192(324)141-52-42-70-267(141)199(331)show more
    Synonyms
    Urocortin (human)
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Frequently Asked Questions

What can I find under CRFR?
This listing collects compounds associated with CRFR within our GPCR/G Protein area — inhibitors, agonists or antagonists, and reference tool compounds. Each entry links to its structure, CAS number, and reported activity so you can confirm the annotation before ordering.
What should I consider when picking a compound for CRFR?
Consider the reported potency of each CRFR compound and the assay behind it, selectivity against closely related targets, cell permeability if you are working in cells, and stability in your buffer. Two chemically distinct compounds giving the same phenotype is much stronger evidence than one.
What quality information is provided for CRFR compounds?
Each CRFR product page lists purity, identity data, molecular formula and weight, and storage conditions, with a lot-specific Certificate of Analysis available. Solubility and handling notes are on the datasheet. All products are supplied for professional research and development use only, and are not for use in humans, animals, diagnostics, or therapy.
Can I search CRFR compounds by activity or structure?
Yes. Filter the CRFR listing by mechanism — inhibitor, agonist, antagonist — and search by target name or gene symbol, CAS number, molecular formula, or SMILES to reach exact structures and close analogs. For bulk quantities or items not listed, contact [email protected].

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