2(1H)-Quinolinone, 3,4-dihydro-6-(4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy)

  • Cilostazol
  • 6-(4-(1-Cyclohexyl-1H-tetrazol-5-yl)butoxy)-3,4-dihydro-2(1H)-quinolinone
  • 3,4-Dihydro-6-(4-(1-cyclohexyl-1H-tetrazol-5-yl)butoxy)-2(1H)-quinolinone
  • OPC-21
  • OPC-13013
  • Pletaal
Formula
C20H27N5O2
Structure

Registry Numbers and Inventories.
CAS
73963-72-1
RTECS
VC8277500
Merck
12,2335
Beilstein/Gmelin
3632107

Properties.
Formula
C20H27N5O2
Formula mass
369.47
Melting point, °C
160
Boiling point, °C
665
Vapor pressure, mmHg
1.6E-17 (25 C)
Density
1.34 g/cm3 (20 C)
Solubility in water
Insoluble
pKa/pKb
11.81 (pKb)
Partition coefficient, pKow
3.05
Heat of vaporization
97.7 kJ/mol

Hazards and Protection.
Storage
Store in original container in a cool dark place.
Protection
Wear self-contained breathing apparatus, rubber boots & heavy rubber gloves.
Small spills/leaks
Sweep-up/absorb in suitable material, place in a container and hold for disposal. Avoid raising dust. Ventilate area and wash spill site after pickup is complete.

Fire.
Fire fighting
Extinguish with carbon dioxide, dry chemical powder or appropriate foam. Water spray. Wear self-contained breathing apparatus and protective clothing to prevent contact with the skin and eyes.
Combustion products
Emits toxic fumes under fire conditions.

Health.
Exposure effects

First aid
 
   Ingestion
If swallowed, wash out mouth with water, provided person is conscious. Seek medical advice.
   Inhalation
Remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen. Seek medical attention.
   Skin
Immediately wash skin with soap and copious amounts of water for at least 15 minutes. If irritation persists, seek medical attention.
   Eyes
Immediately flush eyes with copious amounts of water for at least 15 minutes. Seek medical advice.

Transport.