Harmane

Harmane
Names
	IUPAC name 1-Methyl-9H-pyrido[3,4-b]indole
	Other names Harman, Aribine, Aribin, Locuturine, Locuturin, Loturine, Passiflorin, 1-Methylnorharman, NSC 54439
Identifiers
CAS Number	486-84-0 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:5623;
ChemSpider	4444755;
ECHA InfoCard	100.006.948
EC Number	207-642-2;
KEGG	C09209;
PubChem CID	5281404;
UNII	82D6J0535P ;
CompTox Dashboard (EPA)	DTXSID80197568 ;
	InChI InChI=1S/C12H10N2/c1-8-12-10(6-7-13-8)9-4-2-3-5-11(9)14-12/h2-7,14H,1H3 Key: PSFDQSOCUJVVGF-UHFFFAOYSA-N; InChI=1/C12H10N2/c1-8-12-10(6-7-13-8)9-4-2-3-5-11(9)14-12/h2-7,14H,1H3 Key: PSFDQSOCUJVVGF-UHFFFAOYAA;
	SMILES CC1=NC=CC2=C1NC3=CC=CC=C23;
Properties
Chemical formula	C12H10N2
Molar mass	182.226 g·mol−1
Melting point	235–238 °C (455–460 °F; 508–511 K)
Solubility in water	Soluble to 10 mM in 1 eq. HCl[1] methanol: soluble 50 mg/ml
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Harmane (harman) is a heterocyclic amine found in a variety of foods including coffee,[2] sauces,[3] and cooked meat.[4] It is also present in tobacco smoke.[5]

Chemistry

Harmane is a methylated derivative of β-carboline with the molecular formula C₁₂H₁₀N₂.

"Harmane". tocris.com.
Herraiz, T; Chaparro, C (2006). "Human monoamine oxidase enzyme inhibition by coffee and beta-carbolines norharman and harman isolated from coffee". Life Sciences. 78 (8): 795–802. doi:10.1016/j.lfs.2005.05.074. PMID 16139309.
Herraiz, T. (2004). "Relative exposure toβ-carbolines norharman and harman from foods and tobacco smoke". Food Additives and Contaminants. 21 (11): 1041–50. doi:10.1080/02652030400019844. PMID 15764332.
Louis, E. D.; Zheng, W; Jiang, W; Bogen, K. T.; Keating, G. A. (2007). "Quantification of the neurotoxic beta-carboline harmane in barbecued/grilled meat samples and correlation with level of doneness". Journal of Toxicology and Environmental Health, Part A. 70 (12): 1014–9. doi:10.1080/15287390601172015. PMC 4993204. PMID 17497412.
Herraiz, Tomas; Chaparro, Carolina (2005). "Human monoamine oxidase is inhibited by tobacco smoke: β-carboline alkaloids act as potent and reversible inhibitors". Biochemical and Biophysical Research Communications. 326 (2): 378–86. doi:10.1016/j.bbrc.2004.11.033. PMID 15582589.
Poindexter, E.H.; Carpenter, R.D. (1962). "The isolation of harmane and norharmane from tobacco and cigarette smoke". Phytochemistry. 1 (3): 215–221. doi:10.1016/s0031-9422(00)82825-3. ISSN 0031-9422.

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