Asenapine maleate
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MedKoo CAT#: 326708

CAS#: 85650-56-2 (maleate)

Description: Asenapine, also known as Org 5222 and HSDB 8061, is an atypical antipsychotic developed for the treatment of schizophrenia and acute mania associated with bipolar disorder. Preliminary data indicate that it has minimal anticholinergic and cardiovascular side effects, as well as minimal weight gain. FDA approved this drug in August 2009.


Chemical Structure

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Asenapine maleate
CAS# 85650-56-2 (maleate)

Theoretical Analysis

MedKoo Cat#: 326708
Name: Asenapine maleate
CAS#: 85650-56-2 (maleate)
Chemical Formula: C21H20ClNO5
Exact Mass: 0.00
Molecular Weight: 401.843
Elemental Analysis: C, 62.77; H, 5.02; Cl, 8.82; N, 3.49; O, 19.91

Price and Availability

Size Price Availability Quantity
100mg USD 150 Ready to ship
200mg USD 250 Ready to ship
500mg USD 550 Ready to ship
1g USD 950 Ready to ship
2g USD 1650 Ready to ship
5g USD 2950 Ready to ship
10g USD 3950 Ready to ship
50g USD 7850 Ready to ship
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Related CAS #: 85650-56-2 (maleate)   65576-45-6 (free)  

Synonym: Org 5222; Org5222; Org-5222; HSDB 8061; HSDB-8061; HSDB8061; Asenapine; Asenapine maleate; trade names Saphris and Sycrest.

IUPAC/Chemical Name: (3aS,12bS)-5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole maleate

InChi Key: GMDCDXMAFMEDAG-CHHFXETESA-N

InChi Code: InChI=1S/C17H16ClNO.C4H4O4/c1-19-9-14-12-4-2-3-5-16(12)20-17-7-6-11(18)8-13(17)15(14)10-19;5-3(6)1-2-4(7)8/h2-8,14-15H,9-10H2,1H3;1-2H,(H,5,6)(H,7,8)/b;2-1-/t14-,15-;/m1./s1

SMILES Code: CN1C[C@@](C2=CC=CC=C2OC3=CC=C(Cl)C=C34)([H])[C@]4([H])C1.O=C(O)/C=C\C(O)=O

Appearance: Solid powder

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: Soluble in DMSO, not in water

Shelf Life: >2 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

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

More Info: Related: 85650-56-2 ( Asenapine maleate) 65576-45-6 ( Asenapine free) 1412458-61-7 ( Asenapine HCl).

Biological target: Asenapine maleate is a 5-HT (1A, 1B, 2A, 2B, 2C, 5A, 6, 7) and D2 antagonist with Ki values of 0.03-4.0 nM, 1.3nM, respectively, and an antipsychotic.
In vitro activity: To further determine whether AM (Asenapine maleate) act through ROS mediated signaling pathway, CFs were pretreated with or without AM followed by Ang II stimulation. The results demonstrated that AM could reduce the levels of ROS induced by Ang II (Fig. 4A). After pretreatment with 10 μM AM, the Ang II-induced activation of the TGFβ1/MAPK signal pathway was suppressed. Treatment with AM also reduced the expression of TGFβ1 and decreased the phosphorylation levels of ERK, JNK, and p38MAPK. Therefore, this study confirmed that AM can inhibit Ang II-induced cardiac fibrosis through the ROS/TGFβ1/MAPK signaling pathway (Fig. 4B and C). Reference: Biochem Biophys Res Commun. 2021 May 14;553:172-179. https://pubmed.ncbi.nlm.nih.gov/33773140/
In vivo activity: As expected, administration of cumulative doses of the 5‐HT7 agonist LP‐44 (1‐4 mg/kg, i.v.) in control rats induced a dose‐dependent decrease in the firing activity of DR 5‐HT neurons with ED50=1.45 mg/kg (n=7; Figure 3A,B). Two‐way repeated‐measures ANOVA revealed a significant effect of SB 269970 pretreatment (F1,40=6.98, P<.05) on the potency of LP‐44 (F4,40=54.13, P<.001), but no SB 269970 x LP‐44 interaction. Similarly, an injection of Asenapine (1 mg/kg, i.v.) reduced the suppressant effect of LP‐44 on the firing activity of DR 5‐HT neurons, with ED50=3.54 mg/kg (n=7, Figure 3C,D). Two‐way repeated‐measures ANOVA indicated a significant effect of Asenapine (F1,55= 0.17, P<.01) on the potency of LP‐44 (F5,55=61.90, P<.001), and a significant interaction effect (F5,55=5.38, P<.001). Reference: CNS Neurosci Ther. 2017 Jun; 23(6): 518–525. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6492759/

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
Solubility
DMSO 48.4 120.42
Ethanol 20.1 49.99
Water 6.3 15.55

Preparing Stock Solutions

The following data is based on the product molecular weight 401.84 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.

Recalculate based on batch purity %
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
Formulation protocol: 1. Wu HH, Meng TT, Chen JM, Meng FL, Wang SY, Liu RH, Chen JN, Ning B, Li Y, Su GH. Asenapine maleate inhibits angiotensin II-induced proliferation and activation of cardiac fibroblasts via the ROS/TGFβ1/MAPK signaling pathway. Biochem Biophys Res Commun. 2021 May 14;553:172-179. doi: 10.1016/j.bbrc.2021.03.042. Epub 2021 Mar 24. PMID: 33773140. 2. Grossini E, Gramaglia C, Farruggio S, Camillo L, Mary D, Vacca G, Zeppegno P. Asenapine modulates nitric oxide release and calcium movements in cardiomyoblasts. J Pharmacol Pharmacother. 2016 Jan-Mar;7(1):6-14. doi: 10.4103/0976-500X.179358. PMID: 27127388; PMCID: PMC4831496. 3. Foute Nelong T, Manduca JD, Zonneveld PM, Perreault ML. Asenapine maleate normalizes low frequency oscillatory deficits in a neurodevelopmental model of schizophrenia. Neurosci Lett. 2019 Oct 15;711:134404. doi: 10.1016/j.neulet.2019.134404. Epub 2019 Jul 26. PMID: 31356843. 4. Delcourte S, Abrial E, Etiévant A, Rovera R, Arnt J, Didriksen M, Haddjeri N. Asenapine modulates mood-related behaviors and 5-HT1A/7 receptors-mediated neurotransmission. CNS Neurosci Ther. 2017 Jun;23(6):518-525. doi: 10.1111/cns.12698. Epub 2017 Apr 17. PMID: 28417559; PMCID: PMC6492759.
In vitro protocol: 1. Wu HH, Meng TT, Chen JM, Meng FL, Wang SY, Liu RH, Chen JN, Ning B, Li Y, Su GH. Asenapine maleate inhibits angiotensin II-induced proliferation and activation of cardiac fibroblasts via the ROS/TGFβ1/MAPK signaling pathway. Biochem Biophys Res Commun. 2021 May 14;553:172-179. doi: 10.1016/j.bbrc.2021.03.042. Epub 2021 Mar 24. PMID: 33773140. 2. Grossini E, Gramaglia C, Farruggio S, Camillo L, Mary D, Vacca G, Zeppegno P. Asenapine modulates nitric oxide release and calcium movements in cardiomyoblasts. J Pharmacol Pharmacother. 2016 Jan-Mar;7(1):6-14. doi: 10.4103/0976-500X.179358. PMID: 27127388; PMCID: PMC4831496.
In vivo protocol: 1. Foute Nelong T, Manduca JD, Zonneveld PM, Perreault ML. Asenapine maleate normalizes low frequency oscillatory deficits in a neurodevelopmental model of schizophrenia. Neurosci Lett. 2019 Oct 15;711:134404. doi: 10.1016/j.neulet.2019.134404. Epub 2019 Jul 26. PMID: 31356843. 2. Delcourte S, Abrial E, Etiévant A, Rovera R, Arnt J, Didriksen M, Haddjeri N. Asenapine modulates mood-related behaviors and 5-HT1A/7 receptors-mediated neurotransmission. CNS Neurosci Ther. 2017 Jun;23(6):518-525. doi: 10.1111/cns.12698. Epub 2017 Apr 17. PMID: 28417559; PMCID: PMC6492759.

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6: Wang SM, Han C, Lee SJ, Patkar AA, Masand PS, Pae CU. Asenapine, blonanserin, iloperidone, lurasidone, and sertindole: distinctive clinical characteristics of 5 novel atypical antipsychotics. Clin Neuropharmacol. 2013 Nov-Dec;36(6):223-38. doi: 10.1097/WNF.0b013e3182aa38c4. Review. PubMed PMID: 24201235.

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13: De Hert M, Yu W, Detraux J, Sweers K, van Winkel R, Correll CU. Body weight and metabolic adverse effects of asenapine, iloperidone, lurasidone and paliperidone in the treatment of schizophrenia and bipolar disorder: a systematic review and exploratory meta-analysis. CNS Drugs. 2012 Sep 1;26(9):733-59. doi: 10.2165/11634500-000000000-00000. Review. PubMed PMID: 22900950.

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19: Pompili M, Serafini G, Innamorati M, Ambrosi E, Telesforo L, Venturini P, Giordano G, Battuello M, Lester D, Girardi P. Unmet treatment needs in schizophrenia patients: is asenapine a potential therapeutic option? Expert Rev Neurother. 2011 Jul;11(7):989-1006. doi: 10.1586/ern.11.82. Review. PubMed PMID: 21721916.

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