A growth hormone secretagogue and GHS-R agonist
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GHRP-6 (acetate)

Item No. 27262

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
L-histidyl-D-tryptophyl-L-alanyl-L-tryptophyl-D-phenylalanyl-L-lysinamide, triacetate
CAS Number
145177-42-0
Synonyms
  • Growth Hormone Releasing Peptide 6
  • Hexapeptide-2
  • SKF 110679
  • U 75799E
Molecular Formula
C46H56N12O6 • 3C2H4O2
Formula Weight
1053.2
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Peptide Sequence
HwAWfK-NH2
Solubility(Learn about Variance in Solubility)
DMF: 30 mg/mlDMSO: 30 mg/mlPBS (pH 7.2): 10 mg/ml
λmax
221 nm
SMILES
O=C(N[C@H](CC1=CC=CC=C1)C(N[C@H](C(N)=O)CCCCN)=O)[C@@H](NC([C@H](C)NC([C@H](NC([C@H](CC2=CN=CN2)N)=O)CC3=CNC4=C3C=CC=C4)=O)=O)CC5=CNC6=C5C=CC=C6.CC(O)=O.CC(O)=O.CC(O)=O
InChi Code
InChI=1S/C46H56N12O6.3C2H4O2/c1-27(54-44(62)39(20-29-23-51-35-15-7-5-13-32(29)35)57-43(61)34(48)22-31-25-50-26-53-31)42(60)56-40(21-30-24-52-36-16-8-6-14-33(30)36)46(64)58-38(19-28-11-3-2-4-12-28)45(63)55-37(41(49)59)17-9-10-18-47;3*1-2(3)4/h2-8,11-16,23-27,34,37-40,51-52H,9-10,17-22,47-48H2,1H3,(H2,49,59)(H,50,53)(H,54,62)(H,55,63)(H,56,60)(H,57,61)(H,58,64);3*1H3,(H,3,4)/t27-,34-,37-,38+,39+,40-;;;/m0.../s1
InChi Key
XGWOPQAMQAZCJE-SLBOMMQWSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    5 mg

    $90

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    10 mg

    $158

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    50 mg

    $609

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    100 mg

    $1,042

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    Product Description

    GHRP-6 is a synthetic growth hormone (GH) secretagogue and an agonist of the GH secretagogue receptor (GHS-R), which is also known as the ghrelin receptor.1,2,3,4 It inhibits binding of the GHS-R agonist MK-0677 (ibutamoren; Item No. 18003) to COS-7 cell membranes expressing human GHS-R type Ia (Ki = 1.9 nM) and binding of ghrelin to COS-7 cells expressing human GHS-R (Kd = 260 nM).2,3 GHRP-6 stimulates intracellular calcium mobilization in BHK cells expressing the human receptor (EC50 = 4.5 nM) and inositol phosphate production in COS-7 cells expressing the human receptor (EC50 = 0.83 nM).3 It also acts as a negative allosteric modulator of ghrelin (Item Nos. 15072 | 24458) signaling. GHRP-6 (0.03 μg/ml) induces release of GH, but not thyroid-stimulating hormone (TSH), luteinizing hormone (LH), or follicle-stimulating hormone (FSH), in isolated rat pituitary gland.1 It increases levels of GH, but not TSH, LH, FSH, or prolactin, in rat blood when administered subcutaneously at a dose of 50 μg. GHRP-6 increases food intake in rats when administered intracerebroventricularly at 0.3, 1, and 3 nmol.4

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Bowers, C.Y., Momany, F.A., Reynolds, G.A., et al. On the in vitro and in vivo activity of a new synthetic hexapeptide that acts on the pituitary to specifically release growth hormone. Endocrinology 114(5), 1537-1545 (1984).

    2. Howard, A.D., Feighner, S.D., Cully, D.F., et al. A receptor in pituitary and hypothalamus that functions in growth hormone release. Science 273(5277), 974-977 (1996).

    3. Holst, B., Brandt, E., Bach, A., et al. Nonpeptide and peptide growth hormone secretagogues act both as ghrelin receptor agonist and as positive or negative allosteric modulators of ghrelin signaling. Mol. Endocrinol. 19(9), 2400-2411 (2005).

    4. Wren, A.M., Small, C.J., Ward, H.L., et al. The novel hypothalamic peptide ghrelin stimulates food intake and growth hormone secretion. Endocrinology 141(11), 4325-4328 (2000).