Cinchocaine

Cinchocaine (INN/BAN) or dibucaine (USAN) is an amide local anesthetic. Among the most potent and toxic of the long-acting local anesthetics, current use of cinchocaine is generally restricted to spinal and topical anesthesia.^[1][2] It is sold under the brand names Cincain, Nupercainal, Nupercaine and Sovcaine.

Cinchocaine

Clinical data
AHFS/Drugs.com	International Drug Names
Routes of administration	topical, intravenous (for animal euthanasia)
ATC code	C05AD04 (WHO) D04AB02 (WHO) N01BB06 (WHO) S01HA06 (WHO) S02DA04 (WHO)
Legal status
Legal status	US: OTC
Identifiers
IUPAC name 2-butoxy-N-[2-(diethylamino)ethyl]quinoline-4-carboxamide
CAS Number	85-79-0 Y
PubChem CID	3025
IUPHAR/BPS	7159
DrugBank	DB00527 Y
ChemSpider	2917 Y
UNII	L6JW2TJG99
KEGG	D00733 Y
ChEBI	CHEBI:247956 Y
ChEMBL	ChEMBL1086 Y
CompTox Dashboard (EPA)	DTXSID3045271
ECHA InfoCard	100.001.484
Chemical and physical data
Formula	C20H29N3O2
Molar mass	343.471 g·mol−1
3D model (JSmol)	Interactive image
SMILES O=C(c1c2ccccc2nc(OCCCC)c1)NCCN(CC)CC
InChI InChI=1S/C20H29N3O2/c1-4-7-14-25-19-15-17(16-10-8-9-11-18(16)22-19)20(24)21-12-13-23(5-2)6-3/h8-11,15H,4-7,12-14H2,1-3H3,(H,21,24) Y Key:PUFQVTATUTYEAL-UHFFFAOYSA-N Y
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Medical use

Cinchocaine is the active ingredient in some topical hemorrhoid creams such as Proctosedyl.^[3] It is also a component of the veterinary drug Somulose, used for euthanasia of horses and cattle.

Physical properties

Cinchocaine is relatively insoluble in alkaline aqueous solutions.

See also

• Dibucaine number