Title: Gigantine
CAS Registry Number: 32829-58-6
CAS Name: 1,2,3,4-Tetrahydro-6,7-dimethoxy-1,2-dimethyl-5-isoquinolinol
Molecular Formula: C13H19NO3
Molecular Weight: 237.29
Percent Composition: C 65.80%, H 8.07%, N 5.90%, O 20.23%
Literature References: Hallucinogen from the cactus Carnegia gigantea Engelm. Cactaceae: Hodgkins et al., Tetrahedron Lett. 1967, 1321. Structure: Kapadia et al., Chem. Commun. 1970, 856. Synthesis: eidem, Chem. Ind. (London) 1970, 1593; Choudhury ibid. 1971, 578.
Properties: mp 151-152°. [a]D25 +27.1° (c = 2 in chloroform).
Melting point: mp 151-152°
Optical Rotation: [a]D25 +27.1° (c = 2 in chloroform)
Status: This monograph has been retired and is no longer subject to revision or update.
Ginkgo Ginkgolides Giractide Girard Reagents Gitalin

Gigantine structure.png
CAS number 32829-58-6
PubChem 442237
ChemSpider 390724
Jmol-3D images Image 1
Molecular formula C13H19NO3
Molar mass 237.29 g mol−1
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Gigantine is an isoquinoline alkaloid found in Carnegiea gigantea and other related cacti.[1] Gigantine was first discovered along with Macromerine in 1967. [2] i It is found in significant quantities in many mescaline-containing cactus species, but it is unclear whether gigantine contributes in any way to their psychoactive effects.[3]