H-Leu-OBzl.TosOH

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Names

[ CAS No. ]:
1738-77-8

[ Name ]:
H-Leu-OBzl.TosOH

[Synonym ]:
Benzyl L-leucinate 4-methylbenzenesulfonate (1:1)
L-Leucine Benzyl Ester p-Toluenesulfonate
benzyl (2S)-2-amino-4-methylpentanoate,4-methylbenzenesulfonic acid
EINECS 217-095-1
H-Leu-Obzl.Tos-OH
MFCD00066117
L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)
Leu-Obzl TosOH
H-Leu-OBzl·Tos-OH
H-Leu-Obzl-Tosoh
H-Leu-OBzl·TosOH
H-Leu-OBzl.TosOH

Chemical & Physical Properties

[ Boiling Point ]:
302.5ºC at 760 mmHg

[ Melting Point ]:
153-160 °C

[ Molecular Formula ]:
C20H27NO5S

[ Molecular Weight ]:
393.497

[ Flash Point ]:
157.6ºC

[ Exact Mass ]:
393.160980

[ PSA ]:
115.07000

[ LogP ]:
5.12600

[ Vapour Pressure ]:
0.000987mmHg at 25°C

[ Index of Refraction ]:
5 ° (C=2, DMF)

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
C

[ Safety Phrases ]:
S22-S24/25

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2922499990

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • p-Toluenesulfonic acid
  • L-leucine
  • Benzyl alcohol
  • Benzyl L-leucinate

DownStream

  • Leu-Leu
  • L-leucine
  • E-64d
  • Boc-Tyr-Leu-OBzl
  • L-Lysinamide, D-valyl-L-leucyl-N-[4-[bis (2-chloroethyl)amino]phenyl]-, bis(trifluoroacetate)
  • H-VAL-LEU-OH

Customs

[ HS Code ]: 2922499990

[ Summary ]:
HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • H-D-Leu-OBzl.TosOH
  • H-Leu-Ser-Lys-Leu-NH2 trifluoroacetate salt
  • H-Leu-Ser-Phe-OH
  • H-Leu-NH2*formate
  • H-Leu-Gly-OBzl*HCl
  • H-Leu-Trp-Met-Arg-OH
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • Methylmalonic monoamide
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • 1-Oxo-1-phenylpropan-2-yl 1,2,3,4-tetrahydroacridine-9-carboxylate
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine