L-692,585

Potent, non-peptide ghrelin receptor agonist CAS# 145455-35-2

L-692,585

Catalog No. BCC7305----Order now to get a substantial discount!

Product Name & Size Price Stock
L-692,585:10mg $280.00 In stock
L-692,585:20mg $476.00 In stock
L-692,585:50mg $1120.00 In stock
L-692,585:100mg $1960.00 In stock
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Chemical structure

L-692,585

3D structure

Chemical Properties of L-692,585

Cas No. 145455-35-2 SDF Download SDF
PubChem ID 9872740 Appearance Powder
Formula C32H37N7O3 M.Wt 567.69
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble to 100 mM in DMSO and to 25 mM in ethanol
Chemical Name 3-[[(2R)-2-hydroxypropyl]amino]-3-methyl-N-[(3R)-2-oxo-1-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]-4,5-dihydro-3H-1-benzazepin-3-yl]butanamide
SMILES CC(CNC(C)(C)CC(=O)NC1CCC2=CC=CC=C2N(C1=O)CC3=CC=C(C=C3)C4=CC=CC=C4C5=NNN=N5)O
Standard InChIKey AYBCFPXLXOLPIZ-JIPXPUAJSA-N
Standard InChI InChI=1S/C32H37N7O3/c1-21(40)19-33-32(2,3)18-29(41)34-27-17-16-24-8-4-7-11-28(24)39(31(27)42)20-22-12-14-23(15-13-22)25-9-5-6-10-26(25)30-35-37-38-36-30/h4-15,21,27,33,40H,16-20H2,1-3H3,(H,34,41)(H,35,36,37,38)/t21-,27-/m1/s1
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Biological Activity of L-692,585

DescriptionHighly potent, non-peptide ghrelin receptor (GHS-R1a) agonist (Ki = 0.8 nM). Increases plasma GH levels in vivo and is 2- to 2.5-fold more potent than GHRP-6.

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Preparing Stock Solutions of L-692,585

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 1.7615 mL 8.8076 mL 17.6152 mL 35.2305 mL 44.0381 mL
5 mM 0.3523 mL 1.7615 mL 3.523 mL 7.0461 mL 8.8076 mL
10 mM 0.1762 mL 0.8808 mL 1.7615 mL 3.523 mL 4.4038 mL
50 mM 0.0352 mL 0.1762 mL 0.3523 mL 0.7046 mL 0.8808 mL
100 mM 0.0176 mL 0.0881 mL 0.1762 mL 0.3523 mL 0.4404 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on L-692,585

Intracerebroventricular and intravenous administration of growth hormone secretagogue L-692,585, somatostatin, neuropeptide Y and galanin in pig: dose-dependent effects on growth hormone secretion.[Pubmed:20074661]

Comp Biochem Physiol C Toxicol Pharmacol. 2010 May;151(4):412-9.

Central regulation of growth hormone (GH) secretion by the GH secretagogue, L-692,585 (585), was determined in Yorkshire barrows (40-45kg BW) with intracerebroventricular (icv) stainless steel cannulas placed by stereotaxic coordinates and indwelling external jugular vein (iv) cannulas for injecting 585 or saline during 3h serial blood sampling. Dose-dependent effects of 585 were determined by icv injections of saline vehicle, 3, 10, and 30microg/kg BW by once daily increment. A switchback study of iv and icv 585 treatment determined central and peripheral regulation of GH secretion by the secretagogue at 30microg/kg BW. When administered icv, 585 increased GH concentration in a dose-dependent manner, with a return to baseline by 60min. GH secretion was attenuated by increased numbers of icv 585 injections (p<0.05); however, it was not affected by increased numbers of iv 585 injections. Icv administration of somatostatin (SRIF) decreased (p<0.05) GH secretion compared with saline-treated controls, and decreased (p<0.05) peak GH response when given in combination with 585 as compared with 585 alone. Porcine galanin (pGAL) modestly increased (p<0.05) GH levels compared with saline controls, but when given icv in combination with 585 peak GH response was lower (p<0.05) compared with 585 alone. Porcine neuropeptide Y (pNPY) administered icv was without effect on GH levels compared with saline controls and decreased (p<0.05) peak GH response when given in combination with 585 as compared with 585 alone. The pharmacological actions by icv administration indicate that the GH secretagogue and neuropeptides act at the level of both porcine pituitary and hypothalamus.

Mediation by the central nervous system is critical to the in vivo activity of the GH secretagogue L-692,585.[Pubmed:8699151]

J Endocrinol. 1996 Feb;148(2):371-80.

To investigate the effect of hypophyseal transection (HST) on GH secretagogue activity of the non-peptidyl GH secretagogue L-692,585 in the conscious pig, male castrated swine were randomly assigned to either a hypophyseal stalk transection group (HST; n = 3) or to a sham-operated control group (SOC; n = 3). Treatments administered were L-692,585 (100 micrograms/kg), human GH-releasing factor(1-29)NH2 (GRF; 20 micrograms/kg) or L-692,585 (100 micrograms/kg) + GRF (20 micrograms/kg) on days -7 to -3 before surgery and days +3 to +8 after surgery. To evaluate the integrity of the pituitary gland, the animals were challenged with corticotropin-releasing hormone (CRH; 150 micrograms) or GnRH (150 ng/kg) both before and after surgery. Blood was collected from -60 to +180 min post treatment and assayed for GH, cortisol and LH. Before surgery, no significant difference (P > 0.05) in peak GH response (ng/ml) was present between the two groups (SOC vs HST) in response to L-692,585 (101 +/- 12 vs 71 +/- 9) or L-692,585 + GRF (171 +/- 21 vs 174 +/- 21). Only two out of three SOC vs three out of three HST pigs responded to GRF (13 +/- 2 vs 25 +/- 3) resulting in a significant difference between groups. Following surgery, significant differences were present in peak GH response (ng/ml) between SOC and HST groups following L-692,585 (79 +/- 6 vs 13.8 +/- 1.0); however, the response to L-692,585 + GRF was similar (115 +/- 8 vs 94 +/- 7). All animals responded to GRF; however, a significant difference was present between groups due to the magnitude of the responses. Whereas the cortisol responses (ng/ml) to L-692,585 in the SOC and HST groups were similar before surgery, a significant difference was present after surgery (44.4 +/- 6.4 vs 14.6 +/- 2.1). No significant difference was noted between the HST and SOC groups in response to CRH or GnRH either before or after surgery. These results indicated that L-692,585 induced an immediate GH response in the intact animal in contrast to GRF where the GH release was variable. L-692,585 also stimulated an immediate increase in cortisol levels. Transection of the hypophyseal stalk dramatically decreased but did not ablate the GH or cortisol response to L-692,585. Co-administration of L-692,585 + GRF induced an immediate GH response of similar magnitude in the intact and HST animal. We conclude that L-692,585 has a direct but limited action at the level of the pituitary and that an intact hypophyseal stalk is required for a maximal GH and cortisol response. L-692,585 acts with GRF at the level of the pituitary to induce a maximal GH response. These findings suggest that L-692,585 stimulates GH secretion by acting in combination with GRF and interrupting the inhibitory tone of somatostatin on the somatotroph.

Consistent GH responses to repeated injection of GH-releasing hexapeptide (GHRP-6) and the non-peptide GH secretagogue, L-692,585.[Pubmed:7636426]

J Endocrinol. 1995 Jun;145(3):417-26.

GH release is normally stimulated by the naturally occurring GH-releasing factor (GRF). However, smaller GH-releasing peptides (GHRPs) and non-peptide analogues have been described which stimulate GH release in animals and man. Although these compounds release GH in vitro, their in vivo activity in conscious animals has proved more difficult to study since the GH responses are variable, and prone to desensitization. We now compare the GH-releasing properties of GHRP-6 and a novel benzolactam GH secretagogue L-692,585 using chronically cannulated guinea pigs and automated blood micro-sampling to study the effects of repeated exposure to these secretagogues. L-692,585 was approximately tenfold less potent than GHRP-6 for GH release, but it synergized strongly with GRF. Serial injections of GRF, GHRP-6 or L-692,585 at intervals of 60 or 90 min produced variable GH release which followed a cyclic pattern of responsiveness. Prolonging the pulse interval to 3 h produced more regular responses to both GHRP-6 and L-692,585. Continuous i.v. infusion of low doses of either secretagogue elicited an initial GH release, and amplified the spontaneous GH secretory pattern over the next 6 h. We conclude that L-692,585 and GHRP-6 share similar in vivo, their in vivo activity in conscious animals has frequent injections is similar for all three secretagogues, and is a property of the conscious animal rather than of any secretagogue type. More consistent responses can be obtained with less frequent injections that more closely match the endogenous GH rhythm, whereas continuous exposure to these secretagogues leads to amplified endogenous secretion. Our results show that the interpretation of in vivo effects of these peptide and non-peptide secretagogues will need to take account of their interaction with the endogenous mechanisms governing GH release.

Mechanism of action of the growth hormone secretagogue, L-692,585, on isolated porcine somatotropes.[Pubmed:12475374]

J Endocrinol. 2002 Dec;175(3):625-36.

The effects of a GH secretagogue, L-692,585 (L-585), and human GH-releasing hormone (hGHRH) on calcium transient and GH release were investigated in isolated porcine pituitary cells using calcium imaging and the reverse hemolytic plaque assay (RHPA). Somatotropes were functionally identified by the application of hGHRH. All cells that responded to hGHRH responded to L-585 application. Perfusion application of 10 microM hGHRH and L-585 for 2 min resulted in an increase in intracellular calcium concentrations ([Ca(2+)](i)) of 53+/-1 nM (mean+/-S.E.M.) (P < 0.01) and 68+/-2 nM (P < 0.01) respectively. The L-585 response was characterized by an initial increase in [Ca(2+)](i) followed by a decline to a plateau level above the baseline. Concurrent calcium imaging with RHPA indicated that the L-585-evoked increase in [Ca(2+)](i) coincided with GH release. L-585 significantly increased the percentage of plaque-forming cells (24+/-3 vs 40+/-6%; P < 0.05) and mean area of plaques (1892+/-177 vs 3641+/-189 micro m(2); P < 0.01) indicating increased GH release. Substance P (SP) analogue ([d -Arg(1),d -Phe(5),d -Trp(7,11)]-SP) blocked, and the hGHRH receptor antagonist ((Phenylac-Tyr(1),d -Arg(2), p-chloro-Phe(6), Homoarg(9), Tyr (Me)(10), Abu(15), Nle(27),d -Arg(28), Homoarg(29))-GRF (1-29) amide) decreased the stimulatory effect of hGHRH. These failed to block the stimulatory effect of L-585, suggesting a different receptor for L-585 from the GHRH receptor. The hGHRH-induced calcium transients and initial peak increase induced by L-585 were significantly decreased by removal of calcium from the bathing medium or the addition of nifedipine, an L-calcium channel blocker. The plateau component of L-585-induced calcium change was abolished by removal of calcium and nifedipine. These results suggest an involvement of calcium channels in GH release. Either SQ-22536, an adenylate cyclase inhibitor, or U73122, a phospholipase C (PLC) inhibitor, blocked the stimulatory effects of hGHRH and L-585 on [Ca(2+)](i) transient, indicating the involvement of adenylate cyclase-cAMP and PLC-inositol triphosphate pathways. These results further suggested that calcium mobilization from internal stores during the first phase of the L-585 response induced an increase in [Ca(2+)](i) whereas calcium influx during the second phase is a consequence of somatotrope depolarization.

Effects of acute and repeated intravenous administration of L-692,585, a novel non-peptidyl growth hormone secretagogue, on plasma growth hormone, IGF-1, ACTH, cortisol, prolactin, insulin, and thyroxine levels in beagles.[Pubmed:7830002]

J Endocrinol. 1994 Nov;143(2):399-406.

L-692,585 is a 2-hydroxypropyl derivative of L-692,429, both novel non-peptidyl growth hormone (GH) secretagogues. The effects of single and repeated intravenous administration of L-692,585 on serum or plasma GH and other hormones in beagles were evaluated. In a balanced 8-dog dose-ranging study, compared to the saline control with a mean (+/- S.E.M.) after-dose serum GH peak of 6.1 +/- 1.3 ng/ml, L-692,585 significantly increased (P < 0.05) peak GH concentrations 4.3-fold (32.5 +/- 7.0 ng/ml) at a dose of 0.005 mg/kg, 7-fold (49.4 +/- 10.6 ng/ml) at a dose of 0.02 mg/kg, and 21-fold (134.3 +/- 29.0 ng/ml) at a dose of 0.10 mg/kg. Total GH release, expressed as area under the curve, showed a similar dose-dependent increase. Peak GH levels were recorded at 5 or 15 min after dosing with the levels returning to near baseline by 90 min. Serum cortisol levels were increased above saline control levels in a dose-dependent manner; however, the increases were modest compared to the GH increases. Based on peak responses and total GH release, L-692,585 was 10- to 20-fold and 2- to 2.5-fold more potent than L-692,429 and the growth hormone releasing peptide, GHRP-6, respectively. When L-692,585 was administered once daily for 14 consecutive days at 0, 0.01 or 0.10 mg/kg to each of 6 dogs, peak plasma GH levels and total GH release on days 1, 8 and 15 significantly increased in a dose-dependent manner, and no desensitization was evident.(ABSTRACT TRUNCATED AT 250 WORDS)

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