Synonym
Vornorexant free base; ORN0829; ORN 0829; ORN-0829; TS-142; TS 142; TS142;
IUPAC/Chemical Name
Methanone, ((2S)-2-((3-(5-fluoro-2-pyridinyl)-1H-pyrazol-1-yl)methyl)dihydro-2H-1,3-oxazin-3(4H)-yl)(5-methyl-2-(2H-1,2,3-triazol-2-yl)phenyl)-
InChi Key
AEZZJXJIJFSUEM-QFIPXVFZSA-N
InChi Code
InChI=1S/C23H22FN7O2/c1-16-3-6-21(31-26-8-9-27-31)18(13-16)23(32)30-10-2-12-33-22(30)15-29-11-7-20(28-29)19-5-4-17(24)14-25-19/h3-9,11,13-14,22H,2,10,12,15H2,1H3/t22-/m0/s1
SMILES Code
O=C(N1[C@H](CN2N=C(C3=NC=C(F)C=C3)C=C2)OCCC1)C4=CC(C)=CC=C4N5N=CC=N5
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
To be determined
Shelf Life
>2 years if stored properly
Drug Formulation
To be determined
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
Preparing Stock Solutions
The following data is based on the
product
molecular weight
447.47
Batch specific molecular weights may vary
from batch to batch
due to the degree of hydration, which will
affect the solvent
volumes required to prepare stock solutions.
| Concentration / Solvent Volume / Mass |
1 mg |
5 mg |
10 mg |
| 1 mM |
1.15 mL |
5.76 mL |
11.51 mL |
| 5 mM |
0.23 mL |
1.15 mL |
2.3 mL |
| 10 mM |
0.12 mL |
0.58 mL |
1.15 mL |
| 50 mM |
0.02 mL |
0.12 mL |
0.23 mL |
1: Uchiyama M, Kambe D, Imadera Y, Kajiyama Y, Ogo H, Uchimura N. Effects of TS-142, a novel dual orexin receptor antagonist, on sleep in patients with insomnia: a randomized, double-blind, placebo-controlled phase 2 study. Psychopharmacology (Berl). 2022 Jul;239(7):2143-2154. doi: 10.1007/s00213-022-06089-6. Epub 2022 Mar 17. PMID: 35296912; PMCID: PMC9205809.
2: Futamura A, Suzuki R, Tamura Y, Kawamoto H, Ohmichi M, Hino N, Tokumaru Y, Kirinuki S, Hiyoshi T, Aoki T, Kambe D, Nozawa D. Discovery of ORN0829, a potent dual orexin 1/2 receptor antagonist for the treatment of insomnia. Bioorg Med Chem. 2020 Jul 1;28(13):115489. doi: 10.1016/j.bmc.2020.115489. Epub 2020 Apr 11. PMID: 32482533.
3: Uğurlu M. Orexin Receptor Antagonists as Adjunct Drugs for the Treatment of Depression: A Mini Meta-Analysis. Noro Psikiyatr Ars. 2023 Jun 19;61(1):77-84. doi: 10.29399/npa.28383. PMID: 38496221; PMCID: PMC10943935.
4: Konno Y, Kamigaso S, Toki H, Terasaka S, Hikichi H, Endo H, Yamaguchi JI, Mizuno-Yasuhira A. Preclinical metabolism and the disposition of vornorexant/TS-142, a novel dual orexin 1/2 receptor antagonist for the treatment of insomnia. Pharmacol Res Perspect. 2024 Apr;12(2):e1183. doi: 10.1002/prp2.1183. PMID: 38491717; PMCID: PMC10943176.
5: Kambe D, Hasegawa S, Imadera Y, Mano Y, Matsushita I, Konno Y, Ogo H, Uchimura N, Uchiyama M. Pharmacokinetics, pharmacodynamics and safety profile of the dual orexin receptor antagonist vornorexant/TS-142 in healthy Japanese participants following single/multiple dosing: Randomized, double-blind, placebo-controlled phase-1 studies. Basic Clin Pharmacol Toxicol. 2023 Nov;133(5):576-591. doi: 10.1111/bcpt.13930. Epub 2023 Sep 10. PMID: 37563858.
