ST 91

Modify Date: 2024-01-30 18:03:23

ST 91 Structure
ST 91 structure
Common Name ST 91
CAS Number 4749-61-5 Molecular Weight 253.77100
Density N/A Boiling Point 325.1ºC at 760 mmHg
Molecular Formula C13H20ClN3 Melting Point N/A
MSDS N/A Flash Point 150.4ºC

 Use of ST 91


ST91 is a α2-adrenoceptor (α2AR) agonist. ST91 activates both α2AAR and non-α2AAR subtypes to produce spinal antinociception[1][2][3].

 Names

Name N-(2,6-diethylphenyl)-4,5-dihydro-1H-imidazol-3-ium-2-amine,chloride
Synonym More Synonyms

 Chemical & Physical Properties

Boiling Point 325.1ºC at 760 mmHg
Molecular Formula C13H20ClN3
Molecular Weight 253.77100
Flash Point 150.4ºC
Exact Mass 253.13500
PSA 36.42000
LogP 2.82190
Storage condition -20°C

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
NJ2635000
CHEMICAL NAME :
2-Imidazoline, 2-(2,6-diethylanilino)-, hydrochloride
CAS REGISTRY NUMBER :
4749-61-5
LAST UPDATED :
199309
DATA ITEMS CITED :
3
MOLECULAR FORMULA :
C13-H19-N3.Cl-H
MOLECULAR WEIGHT :
253.81
WISWESSER LINE NOTATION :
T5M CN BUTJ BMR BZ F2 &GH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
220 ug/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema Lungs, Thorax, or Respiration - dyspnea
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 11,67,1986
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2400 ug/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Behavioral - convulsions or effect on seizure threshold Skin and Appendages - hair
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 25,786,1975 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2800 ug/kg/4W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - changes in lung weight Blood - pigmented or nucleated red blood cells Blood - changes in erythrocyte (RBC) count
REFERENCE :
JTSCDR Journal of Toxicological Sciences. (Japanese Soc. of Toxicological Sciences, 4th Floor, Gakkai Center Bldg., 4-16, Yayoi 2-chome, Bunkyo-ku, Tokyo 113, Japan) V.1- 1976- Volume(issue)/page/year: 11,67,1986

 Synonyms

5,7-Dichlorokynurenic acid
ST 91
St 91-Cl
C11H16N4