leupeptin

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Names

[ CAS No. ]:
24365-47-7

[ Name ]:
leupeptin

[Synonym ]:
acetyl-Leu-Leu-Arg-al
2-Methyl-5-oxotetrahydro-2-furanyl acetate
Acetyllaevulinsaeure
5-acetoxy-5-methyl-dihydro-furan-2-one
Ac-Leu-Leu-Arg-H
N-acetyl-Leu-Leu-argininal

Chemical & Physical Properties

[ Density]:
1.21g/cm3

[ Molecular Formula ]:
C20H38N6O4

[ Molecular Weight ]:
426.55400

[ Exact Mass ]:
426.29500

[ PSA ]:
166.27000

[ LogP ]:
2.37870

[ Index of Refraction ]:
1.557

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
YV4205000
CHEMICAL NAME :
Valeramide, 2-(2-acetamido-4-methylvaleramido)-N-(1-formyl-4-guan idinobutyl)-4-methyl-
CAS REGISTRY NUMBER :
24365-47-7
LAST UPDATED :
198510
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C20-H38-N6-O4
MOLECULAR WEIGHT :
426.64
WISWESSER LINE NOTATION :
MUYZM3YVHMVY1Y1&1&MVYMV1&1Y1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
720 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - other changes Gastrointestinal - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1100 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
80 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
740 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
540 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
74 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - other changes
REFERENCE :
JZKEDZ Jitchuken Zenrinsho Kenkyuho. Central Institute for Experimental Animals, Research Reports. (Jikken Dobutsu Chuo Kenkyusho, 1433 Nogawa, Takatsu-ku, Kawasaki 211, Japan) V.1- 1975- Volume(issue)/page/year: 3,9,1977

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (2S)-2-acetamido-N-((2S)-1-((1,1-dibutoxy-5-guanidinopentan-2-yl)amino)-4-methyl-1-oxopentan-2-yl)-4-methylpentanamide
  • Z-Leu-OH
  • L-leucine
  • H-L-[U-14C]-Leu-L-Leu-L-Argal dibutylacetal

DownStream

Related Compounds

  • Leupeptin
  • Leupeptin
  • leupeptin
  • Leupeptin Pr-LL
  • Leupeptin hydrochloride
  • Leupeptin trifluoroacetate salt
  • 1-(4-Chlorobenzyl)-3-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)urea
  • 1-Benzyl-3-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)urea
  • 1-(4-(1,1-Dioxidoisothiazolidin-2-yl)phenyl)-3-(4-methoxyphenethyl)urea
  • 1-(5-Chloro-2-methoxyphenyl)-3-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)urea
  • 1-(4-(1,1-Dioxidoisothiazolidin-2-yl)phenyl)-3-(2-methoxyphenyl)urea
  • 1H-Pyrazole-3-carboxamide, 5-cyclopropyl-N-(3-propoxyphenyl)-
  • N-benzyl-N-(2-methoxyethyl)-3-[[(E)-2-phenylethenyl]sulfonylamino]propanamide
  • 1-(3,4-Dimethoxybenzyl)-3-(4-(1,1-dioxidoisothiazolidin-2-yl)phenyl)urea
  • 3-methyl-N-[4-(1H-pyrazol-3-yl)phenyl]butanamide
  • 1-(4-(1,1-Dioxidoisothiazolidin-2-yl)phenyl)-3-(thiophen-2-ylmethyl)urea
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