Carbachol

Carbachol, also known as carbamylcholine and sold under the brand name Miostat among others, is a cholinomimetic drug that binds and activates acetylcholine receptors. Thus it is classified as a cholinergic agonist. It is primarily used for various ophthalmic purposes, such as for treating glaucoma, or for use during ophthalmic surgery. It is generally administered as an ophthalmic solution (i.e., eye drops).

Carbachol
Clinical data
Trade namesMiostat
AHFS/Drugs.comMonograph
License data
Pregnancy
category
  • AU: B2
Routes of
administration
By mouth (tablets)
Solution for injection
Topical (ophthalmic solution)
ATC code
Legal status
Legal status
  • In general: ℞ (Prescription only)
Pharmacokinetic data
BioavailabilityLow
Identifiers
  • 2-[(Aminocarbonyl)oxy]-N,N,N-trimethylethanaminium chloride
CAS Number
PubChem CID
IUPHAR/BPS
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
PDB ligand
CompTox Dashboard (EPA)
ECHA InfoCard100.000.117
Chemical and physical data
FormulaC6H15ClN2O2
Molar mass182.65 g·mol−1
3D model (JSmol)
  • [Cl-].O=C(OCC[N+](C)(C)C)N
  • InChI=1S/C6H14N2O2.ClH/c1-8(2,3)4-5-10-6(7)9;/h4-5H2,1-3H3,(H-,7,9);1H Y
  • Key:AIXAANGOTKPUOY-UHFFFAOYSA-N Y
  (verify)

Carbachol produces effects comparable to those of sarin if a massive overdose is administered (as may occur following industrial and shipping accidents) and therefore it is classified as an extremely hazardous substance in the United States as defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. 11002), and is subject to strict reporting requirements by facilities which produce, store, or use it in significant quantities.

It is on the World Health Organization's List of Essential Medicines.

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