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
  • tert-butyl (2S)-2-[4-(but-2-ynamido)piperidine-1-carbonyl]pyrrolidine-1-carboxylate
  • Tert-butyl 4-[4-[(prop-2-enoylamino)methyl]oxan-4-yl]piperidine-1-carboxylate
  • N-[(2-Pyridin-2-ylspiro[3.3]heptan-2-yl)methyl]but-2-ynamide
  • 1-[4-(4-Phenyl-3,4-dihydro-1H-isoquinoline-2-carbonyl)piperidin-1-yl]prop-2-en-1-one
  • 2-Chloro-N-[2-(4-fluorophenyl)-2-(4-methylpiperazin-1-yl)ethyl]acetamide
  • 7,7-Dimethyl-1-pyridin-4-yl-6,8-dihydro-4H-pyrazolo[4,3-c]azepine-5-sulfonyl fluoride
  • 7-Chloro-8-methoxy-1,3,4,5-tetrahydropyrido[4,3-b]indole-2-sulfonyl fluoride
  • 2-Chloro-N-(3-methoxy-3,4-dihydro-2H-chromen-4-yl)acetamide
  • 1-{3-[5-(Benzyloxy)pyrimidin-2-yl]azetidin-1-yl}-2-chloropropan-1-one
  • 2-Chloro-1-spiro[3H-1,4-benzoxazine-2,4'-oxane]-4-ylethanone
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