L-allo-Isoleucine

Modify Date: 2025-08-26 08:32:20

L-allo-Isoleucine Structure
L-allo-Isoleucine structure
 Common Name L-allo-Isoleucine
CAS Number 1509-34-8 Molecular Weight 131.173
Density 1.0±0.1 g/cm3 Boiling Point 225.8±23.0 °C at 760 mmHg
Molecular Formula C6H13NO2 Melting Point -285ºC
MSDS Chinese USA Flash Point 90.3±22.6 °C

 Use of L-allo-Isoleucine


L-Alloisoleucine is a branched chain amino acid and is a stereo-isomer of L-isoleucine. L-Alloisoleucine is a common constituent of human plasma (albeit at low levels).

 Names

Name L-alloisoleucine
Synonym More Synonyms

 L-allo-Isoleucine Biological Activity

Description L-Alloisoleucine is a branched chain amino acid and is a stereo-isomer of L-isoleucine. L-Alloisoleucine is a common constituent of human plasma (albeit at low levels).
Related Catalog
Target

Human Endogenous Metabolite

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 225.8±23.0 °C at 760 mmHg
Melting Point -285ºC
Molecular Formula C6H13NO2
Molecular Weight 131.173
Flash Point 90.3±22.6 °C
Exact Mass 131.094635
PSA 63.32000
LogP 0.73
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.463
Storage condition Store at RT.

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
BA2933000
CHEMICAL NAME :
Alloisoleucine, L-
CAS REGISTRY NUMBER :
1509-34-8
BEILSTEIN REFERENCE NO. :
1721791
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C6-H13-N-O2
MOLECULAR WEIGHT :
131.20
WISWESSER LINE NOTATION :
QVYZY2&1 -L,ALLO

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6954 mg/kg
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - body temperature decrease
REFERENCE :
ABBIA4 Archives of Biochemistry and Biophysics. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.31- 1951- Volume(issue)/page/year: 58,253,1955

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases 26-36
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS BA2933000

 Precursor & DownStream

Precursor  0

DownStream  1

 Articles3

More Articles
Interrelation between the metabolism of L-isoleucine and L-allo-isoleucine in patients with maple syrup urine disease.

Pediatr. Res. 25 , 11-14, (1989)

The nonprotein amino acid L-allo-isoleucine is formed endogenously in maple syrup urine disease patients from (R)-3-methyl-2-oxo-pentanoic acid. During strict metabolic balance, the plasma L-allo-isol...

Functional differences in the catabolism of branched-chain L-amino acids in cultured normal and maple syrup urine disease fibroblasts.

Biochem. Med. Metab. Biol. 41 , 105-116, (1989)

Possible functional differences in the catabolism of the four branched-chain L-amino acids in maple syrup urine disease were assessed using cultured human skin fibroblast stains. Transamination and ox...

Substrate specificity of L-delta-(alpha-aminoadipoyl)-L-cysteinyl-D-valine synthetase from Cephalosporium acremonium: demonstration of the structure of several unnatural tripeptide products.

Biochem. J. 301 , 367-372, (1994)

Potential substrates for L-delta-(alpha-aminoadipoyl)-L-(cysteinyl)-D-valine (ACV) synthetase were initially identified using both the amino-acid-dependent ATP<-->pyrophosphate exchange reaction catal...

 Synonyms

Isoleucine, allo-
Alloisoleucine, L-
UNII:05T3WT3PJ1
L-Alloisoleucine
alle
Alloisoleucine
(2S,3R)-2-Amino-3-methylpentanoic acid
Allo-L-isoleucine
L-Isoleucine
l-aIle
(+)-threo-2-Amino-3-methylpentanoic Acid
Allo-isoleucine
(R)-Isoleucine
D-(-)-Isoleucine
L(+)-Alloisoleucine
(2S,3R)-2-Amino-3-methylpentanoic acid,L-Alloisoleucine
a-Ile
L-Isoleucine, allo-
H-D-Ile-OH
L-ALLO-ISOLEUCINE
MFCD00066446
EINECS 216-142-3
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