α-Methyl-5-hydroxytryptamine maleate

Α-甲基-5-羟色胺马来酸盐

Also known as: ALPHA-METHYL-5-HYDROXYTRYPTAMINE MALEATE, (+/-)-3-(2-AMINOPROPYL)-INDOL-5-OL MALEATE, (+/-)-ALPHA-METHYL-5-HYDROXYTRYPTAMINE MALEATE, (+/-)-ALPHA-METHYLSEROTONIN MALEATE, ALPHA-METHYLSEROTONIN MALEATE, A-METHYL-5-HYDROXYTRYPTAMINE MALEATE, α-Methyl-5-hydroxytryptamine maleate salt, a-Methyl-5-hydroxytryptaminemaleate

α-Methyl-5-hydroxytryptamine maleate (CAS 304-52-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H18N2O5 and a molecular weight of 306.31400 g/mol. It is also known as ALPHA-METHYL-5-HYDROXYTRYPTAMINE MALEATE, (+/-)-3-(2-AMINOPROPYL)-INDOL-5-OL MALEATE and (+/-)-ALPHA-METHYL-5-HYDROXYTRYPTAMINE MALEATE. Key properties include a boiling point of 411.7ºC at 760 mmHg and a flash point of 202.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 304-52-9
Jingsj CID: J-46022-4
Molecular Formula: C₁₅H₁₈N₂O₅
Chinese Name: Α-甲基-5-羟色胺马来酸盐
Molecular Weight: 306.31400 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	411.7ºC at 760 mmHg
Flash Point	202.8ºC
Exact Mass	306.12200
PSA	136.64000
LogP	2.17530

Activity & Biological Data

Additional Information	[1]. Dobbins DE. Receptor mechanisms of serotonin-induced prenodal lymphatic constriction in the canine forelimb. Am J Physiol. 1998 Feb;274(2):H650-4. [2]. Brumley MR, et al. The serotonergic agonists quipazine, CGS-12066A, and alpha-methylserotonin alter motor activity and induce hindlimb stepping in the intact and spinal rat fetus. Behav Neurosci. 2005 Jun;119(3):821-33. [3]. Edwards E, et al. (+/-)-1-(2,5-Dimethoxy-4-iodophenyl)-2-aminopropane(DOI) and alpha-methyl-5-HT: 5-HT2 receptor agonistic action on phosphatidylinositol metabolism in the rat fronto-cingulate and entorhinal cortex. Neuropharmacology. 1992 Jul;31(7):615-21.

Additional Information

[1]. Dobbins DE. Receptor mechanisms of serotonin-induced prenodal lymphatic constriction in the canine forelimb. Am J Physiol. 1998 Feb;274(2):H650-4. [2]. Brumley MR, et al. The serotonergic agonists quipazine, CGS-12066A, and alpha-methylserotonin alter motor activity and induce hindlimb stepping in the intact and spinal rat fetus. Behav Neurosci. 2005 Jun;119(3):821-33. [3]. Edwards E, et al. (+/-)-1-(2,5-Dimethoxy-4-iodophenyl)-2-aminopropane(DOI) and alpha-methyl-5-HT: 5-HT2 receptor agonistic action on phosphatidylinositol metabolism in the rat fronto-cingulate and entorhinal cortex. Neuropharmacology. 1992 Jul;31(7):615-21.

Frequently Asked Questions

What is the CAS number of α-Methyl-5-hydroxytryptamine maleate?

The CAS number of α-Methyl-5-hydroxytryptamine maleate is 304-52-9.

What are the molecular formula and molecular weight of α-Methyl-5-hydroxytryptamine maleate?

α-Methyl-5-hydroxytryptamine maleate has molecular formula C15H18N2O5 and molecular weight 306.31400 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "α-Methyl-5-hydroxytryptamine maleate (CAS 304-52-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46022-4 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.