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137354-65-5

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Basic Information
CAS No.: 137354-65-5
Name: mastoparan B
Molecular Structure:
Molecular Structure of 137354-65-5 (mastoparan B)
Formula: C78H138 N20 O16
Molecular Weight: 1612.08
Synonyms: L-Leucinamide,L-leucyl-L-lysyl-L-leucyl-L-lysyl-L-seryl-L-isoleucyl-L-valyl-L-seryl-L-tryptophyl-L-alanyl-L-lysyl-L-lysyl-L-valyl-;Mastoparan B
Density: 1.188g/cm3
Boiling Point: 1779.7°Cat760mmHg
Flash Point: 1030.1°C
Safety: A poison by intravenous route. When heated to decomposition it emits toxic vapors of NOx.
PSA: 607.74000
LogP: 7.12580
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Chemistry

Product Name: Mastoparan B
CAS Registry Number: 137354-65-5
IUPAC Name: (2S)-6-amino-N-[(2S)-1-[[(2S,3S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-6-amino-1-[[(2S)-1-[[(2S)-1-amino-4-methyl-1-oxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-1-oxohexan-2-yl]amino]-1-oxohexan-2-yl]amino]-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2R)-2-amino-4-methylpentanoyl]amino]hexanoyl]amino]-4-methylpentanoyl]amino]hexanamide
Molecular Weight: 1612.05472 [g/mol]
Molecular Formula: C78H138N20O16
XLogP3: 0.5
H-Bond Donor: 22
H-Bond Acceptor: 21 
Surface Tension: 52 dyne/cm
Density: 1.188 g/cm3
Flash Point: 1030.1 °C
Enthalpy of Vaporization: 299.57 kJ/mol
Boiling Point: 1779.7 °C at 760 mmHg
Following is the molecular structure of Mastoparan B (CAS NO.137354-65-5) is:

Toxicity Data With Reference

1.    

ivn-rat TDLo:0.5 mg/kg

     TOXIA6    Toxicon. 39 (2001),1561.

Safety Profile

A poison by intravenous route. When heated to decomposition it emits toxic vapors of NOx.

Specification

 Mastoparan B , its cas register number is 137354-65-5. It also can be called Mast cell degranulating peptide (vespa basalis) .