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
  • Ethyl 5-(1-(tert-butoxycarbonyl)piperidin-4-yl)-3-methylisoxazole-4-carboxylate
  • 3-(aminomethyl)-7-(benzyloxy)-4-bromobenzo[c][1,2]oxaborol-1(3H)-ol hydrochloride
  • 1-(2-Bromo-4-ethylphenyl)propan-2-one
  • 2-(3,4-dimethoxyphenyl)-N-(3-methyl-1-(4-oxo-1-phenyl-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)-1H-pyrazol-5-yl)acetamide
  • 5-bromo-3-[(4-butoxyphenyl)imino]-1H-indol-2-one
  • Methyl 2-(6,6-dimethylmorpholin-2-yl)acetate
  • 2-(Propan-2-yloxy)ethane-1-sulfinyl chloride
  • 1-Cyanoethane-1-sulfinyl chloride
  • 1-(3-Methyl-4-nitropyrazol-1-yl)cyclobutane-1-carboxylic acid
  • N-(4-methyl-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)cyclobutanecarboxamide
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