Hygrine is a pyrrolidine alkaloid, found mainly in coca leaves (0.2%). It was first isolated by Carl Liebermann in 1889 (along with a related compound cuscohygrine) as an alkaloid accompanying cocaine in coca. Hygrine is extracted as a thick yellow oil, having a pungent taste and odor.

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Hygrine

Names
Preferred IUPAC name 1-[(2R)-1-Methylpyrrolidin-2-yl]propan-2-one
Identifiers
CAS Number	496-49-1 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:46750 Y
ChemSpider	389762 Y
ECHA InfoCard	100.007.112
KEGG	C06179 Y
PubChem CID	440933
UNII	49H1LNM62X Y
CompTox Dashboard (EPA)	DTXSID40894081
InChI InChI=1S/C8H15NO/c1-7(10)6-8-4-3-5-9(8)2/h8H,3-6H2,1-2H3/t8-/m1/s1 Y Key: ADKXZIOQKHHDNQ-MRVPVSSYSA-N Y InChI=1/C8H15NO/c1-7(10)6-8-4-3-5-9(8)2/h8H,3-6H2,1-2H3/t8-/m1/s1 Key: ADKXZIOQKHHDNQ-MRVPVSSYBT
SMILES CC(=O)C[C@H]1CCCN1C
Properties
Chemical formula	C8H15NO
Molar mass	141.21 g/mol
Boiling point	193 to 195 °C (379 to 383 °F; 466 to 468 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

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• Coca alkaloids
• Pseudotropine
• Troparil