2. Signaling Pathways
  3. GPCR/G Protein
    Neuronal Signaling
  4. Somatostatin Receptor
  5. Somatostatin Receptor Antagonist

Somatostatin Receptor Antagonist

Somatostatin Receptor Isoform Comparison

Somatostatin Receptor Antagonists (23):

Cat. No. Product Name Effect Purity
  • HY-13466
    MK-4256
    		Antagonist 98.01%
    MK-4256 is a potent and selective SSTR3 antagonist with IC50s of 0.66 nM and 0.36 nM in human and mouse receptor binding assays, respectively.
  • HY-12819
    MK-1421
    		Antagonist
    MK-1421 is a potent and selective sstr3 antagonist. MK-1421 regulates insulin secretion by binding to the sstr3. MK-1421 can be used in the research of type 2 diabetes.
  • HY-P1202A
    CYN 154806 TFA
    		Antagonist 99.81%
    CYN 154806 TFA, a cyclic octapeptide, is a potent and selective somatostatin sst2 receptor antagonist, with pIC50 values of 8.58, 5.41, 6.07, 5.76 and 6.48 for human recombinant sst2, sst1, sst3, sst4 and sst5 receptors respectively.
  • HY-102037
    SSTR5 antagonist 1
    		Antagonist 99.84%
    SSTR5 antagonist 1 (compound 25a) is a selective and orally available somatostatin receptor subtype 5 (SSTR5) antagonist with IC50s of 9.6 and 57 nM for hSSTR5 and mSSTR5, respectively.
  • HY-P1201
    Cyclosomatostatin
    		Antagonist 99.52%
    Cyclosomatostatin is a potent somatostatin (SST) receptor antagonist. Cyclosomatostatin can inhibit somatostatin receptor type 1 (SSTR1) signaling and decreases cell proliferation, ALDH+ cell population size and sphere-formation in colorectal cancer (CRC) cells.
  • HY-P1202
    CYN 154806
    		Antagonist 99.76%
    CYN 154806, a cyclic octapeptide, is a potent and selective somatostatin sst2 receptor antagonist, with pIC50 values of 8.58, 5.41, 6.07, 5.76 and 6.48 for human recombinant sst2, sst1, sst3, sst4 and sst5 receptors respectively.
  • HY-P5126
    DOTA-LM3
    		Antagonist 98.22%
    DOTA-LM3 is a somatostatin receptor (SSTR) antagonist. LM3 refers to p-Cl-Phe- cyclo(D-Cys-Tyr-D-4-amino-Phe(carbamoyl)-Lys-Thr-Cys)D-Tyr- NH2, as well as a somatostatin antagonist. DOTA-LM3 is often isotopically labeled for tracing tumors in vivo, such as 177Lu-DOTA-LM3 and 68 Ga-DOTA-LM3. 68 Ga-DOTA-LM3 shows favorable biodistribution, high tumor uptake, good tumor retention, and few safety concerns. 177Lu-DOTA-LM3 can be used for research in DOTATOC-negative liver metastases, such as pancreatic NET and extensive tumor thrombosis.
  • HY-P1203
    BIM-23056
    		Antagonist 99.94%
    BIM 23056, a linear octapeptide, is a potent sst3 and sst5 somatostatin receptor antagonist with Ki values of 10.8, 5.7, respectively.
  • HY-114191B
    SSTR5 antagonist 2 hydrochloride
    		Antagonist 98.85%
    SSTR5 antagonist 2 hydrochloride is a highly potent, oral active and selective somatostatin (receptor) subtype 5 (SSTR5) antagonist and has potential for the research of type 2 diabetes mellitus (T2DM).
  • HY-P5128
    DOTA-JR11
    		Antagonist 98.81%
    DOTA-JR11 is a somatostatin receptor 2 （SSTR2）antagonist. DOTA-JR11 can be labeled by 68Ga, used for paired imaging in neuroendocrine tumors (NETs) research.
  • HY-P5126A
    DOTA-LM3 TFA
    		Antagonist 99.30%
    DOTA-LM3 TFA is a somatostatin receptor (SSTR) antagonist. LM3 refers to p-Cl-Phe- cyclo(D-Cys-Tyr-D-4-amino-Phe(carbamoyl)-Lys-Thr-Cys)D-Tyr- NH2, as well as a somatostatin antagonist. DOTA-LM3 TFA is often isotopically labeled for tracing tumors in vivo, such as 177Lu-DOTA-LM3 TFA and 68 Ga-DOTA-LM3 TFA. 68 Ga-DOTA-LM3 TFA shows favorable biodistribution, high tumor uptake, good tumor retention, and few safety concerns. 177Lu-DOTA-LM3 TFA can be used for research in DOTATOC-negative liver metastases, such as pancreatic NET and extensive tumor thrombosis.
  • HY-P4452
    PRL 2915
    		Antagonist 99.57%
    PRL 2915 is a potent human somatostatin subtype 2 receptor (hsst2) antagonist with a Ki of 12 nM.
  • HY-P5362
    NODAGA-LM3
    		Antagonist 99.33%
    NODAGA-LM3 can be labeled by 68Ga for PET imaging. 68Ga-NODAGA-LM3 is a SSTR2 antagonist, and can be used for imaging of SSTR positive paragangliomas.
  • HY-123499
    SRA880
    		Antagonist
    SRA880 is a non-peptide and selective somatostatin sst(1) receptor antagonist. SRA880 exhibits antidepressant-like effects when in combination with Imipramine (HY-B1490A) .
  • HY-P10137
    Satoreotide
    		Antagonist
    Satoreotide (JR11) is a SSTR2 antagonist. Satoreotide is usually conjugated with radiolabeled chelators used in neuroendocrine tumor imaing.
  • HY-P5362A
    NODAGA-LM3 TFA
    		Antagonist
    NODAGA-LM3 TFA can be labeled by 68Ga for PET imaging. 68Ga-NODAGA-LM3 TFA is a SSTR2 antagonist, and can be used for imaging of SSTR positive paragangliomas.
  • HY-P4469
    PRL 3195
    		Antagonist
    PRL 3195 is a somatostatin receptor antagonist with Kis of 6, 17, 66, 1000 and 1000 nM for human somatostatin receptors (sst5, sst2, sst3, sst1 and sst4, respectively).
  • HY-114191
    SSTR5 antagonist 2
    		Antagonist
    SSTR5 antagonist 2 (compound 10) is a highly potent, oral active and selective somatostatin (receptor) subtype 5 (SSTR5) antagonist and has potential for the research of treat type 2 diabetes mellitus (T2DM).
  • HY-114191A
    SSTR5 antagonist 2 TFA
    		Antagonist
    SSTR5 Antagonist 1 (compound 10) is a highly potent, oral active and selective somatostatin (receptor) subtype 5 (SSTR5) antagonist and has potential for the research of treat type 2 diabetes mellitus (T2DM).
  • HY-P1203A
    BIM-23056 TFA
    		Antagonist
    BIM 23056 TFA, a linear octapeptide, is a potent sst3 and sst5 somatostatin receptor antagonist with Ki values of 10.8, 5.7, respectively.