Product Name

  • Name

    Repirinast

  • EINECS
  • CAS No. 73080-51-0
  • Density 1.27g/cm3
  • Solubility 1.2mg/L(temperature not stated)
  • Melting Point 236-241°
  • Formula C20H21 N O5
  • Boiling Point 581.3°C at 760 mmHg
  • Molecular Weight 355.39
  • Flash Point 305.4°C
  • Transport Information
  • Appearance
  • Safety Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 73080-51-0 (Repirinast)
  • Hazard Symbols
  • Synonyms MY 5116;Repirinast; Romet
  • PSA 89.37000
  • LogP 3.45420

Repirinast Chemical Properties

Product Name: Repirinast (CAS NO.73080-51-0)


Molecular Formula: C20H21NO5
Molecular Weight: 355.38g/mol
Mol File: 73080-51-0.mol
Boiling point: 581.3 °C at 760 mmHg
Flash Point: 305.4 °C
Density: 1.27 g/cm3
Surface Tension: 52.2 dyne/cm
Enthalpy of Vaporization: 86.93 kJ/mol
Vapour Pressure: 1.67E-13 mmHg at 25°C
XLogP3-AA:3.4
H-Bond Donor: 1
H-Bond Acceptor: 5

Repirinast Uses

 Repirinast (CAS NO.73080-51-0) is the precursor drug, the formation of active substance after oral administration hydrolysis, can inhibit the allergic reaction. It can be used for the treatment of bronchial asthma. It is based medicine.

Repirinast Production

After the acid chloride compound into another, and 3 - methyl-n-butanol under stirring at 90-100 °C get Swiss imidacloprid Sterling.

Repirinast Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
dog LD oral > 5gm/kg (5000mg/kg)   Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 577, 1986.
mouse LD50 intraperitoneal 1435mg/kg (1435mg/kg) GASTROINTESTINAL: PERITONITIS

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
mouse LD50 oral > 5gm/kg (5000mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL) Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
mouse LD50 subcutaneous > 5gm/kg (5000mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
rabbit LDLo oral > 5gm/kg (5000mg/kg) LIVER: OTHER CHANGES

BLOOD: CHANGES IN SPLEEN

KIDNEY, URETER, AND BLADDER: CHANGES PRIMARILY IN GLOMERULI
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
rat LD50 intraperitoneal 2783mg/kg (2783mg/kg) GASTROINTESTINAL: PERITONITIS

KIDNEY, URETER, AND BLADDER: OTHER CHANGES
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
rat LD50 oral > 5gm/kg (5000mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL) Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.
rat LD50 subcutaneous > 5gm/kg (5000mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"
Iyakuhin Kenkyu. Study of Medical Supplies. Vol. 17, Pg. 545, 1986.

Repirinast Safety Profile

Moderately toxic by intraperitoneal route. An experimental teratogen. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of NOx.

Repirinast Specification

 Repirinast ,its CAS NO. is 73080-51-0,the synonyms is 3-Methylbutyl 7,8-dimethyl-4,5-dioxo-6h-pyrano[5,6-c]quinoline-2-carboxylate ; 5,6-Dihydro-7.8-dimethyl-4.5-dioxo-4h-pyrano[3.2-c]quinoline-2-carboxylic acid 3-methylbutyl ester ; My-5116 ; Romet .

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