ChemicalBook > CAS DataBase List > L-Leucine benzyl ester p-toluenesulfonate salt

L-Leucine benzyl ester p-toluenesulfonate salt

Product Name
L-Leucine benzyl ester p-toluenesulfonate salt
CAS No.
1738-77-8
Chemical Name
L-Leucine benzyl ester p-toluenesulfonate salt
Synonyms
ester·Tos;LEU-OBZL TOS;L-Leu-OBzl·Tos;H-LEU-OBZL TOS;H-LEU-OBZL·TOS;Leu-OBzl·TosOH;H-LEU-OBZL.PTSA;H-LEU-OBZL TOSOH;L-Leu-OBzl·TosOH;L-Leucine benzyl
CBNumber
CB7408652
Molecular Formula
C20H27NO5S
Formula Weight
393.5
MOL File
1738-77-8.mol
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L-Leucine benzyl ester p-toluenesulfonate salt Property

Melting point:
153-160 °C
refractive index 
5 ° (C=2, DMF)
storage temp. 
Inert atmosphere,Room Temperature
solubility 
soluble in Methanol
form 
powder to crystal
color 
White to Almost white
optical activity
[α]20/D +5.0±0.3°, c = 2% in DMF
BRN 
3566840
InChI
InChI=1/C13H19NO2.C7H8O3S/c1-10(2)8-12(14)13(15)16-9-11-6-4-3-5-7-11;1-6-2-4-7(5-3-6)11(8,9)10/h3-7,10,12H,8-9,14H2,1-2H3;2-5H,1H3,(H,8,9,10)/t12-;/s3
InChIKey
QTQGHKVYLQBJLO-ZLBVLXFENA-N
SMILES
C1(S(=O)(=O)O)C=CC(C)=CC=1.C1(=CC=CC=C1)COC(=O)[C@@H](N)CC(C)C |&1:21,r|
CAS DataBase Reference
1738-77-8(CAS DataBase Reference)
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
HS Code 
29242990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

TCI Chemical
Product number
L0195
Product name
L-Leucine Benzyl Ester p-Toluenesulfonate
Purity
>98.0%(HPLC)(T)
Packaging
5g
Price
$41
Updated
2025/07/31
TCI Chemical
Product number
L0195
Product name
L-Leucine Benzyl Ester p-Toluenesulfonate
Purity
>98.0%(HPLC)(T)
Packaging
25g
Price
$119
Updated
2025/07/31
TRC
Product number
L330165
Product name
L-Leucine Benzyl Ester p-Toluenesulfonate
Packaging
10g
Price
$85
Updated
2021/12/16
TRC
Product number
L330165
Product name
L-Leucine Benzyl Ester p-Toluenesulfonate
Packaging
25g
Price
$140
Updated
2021/12/16
Usbiological
Product number
239318
Product name
L-Leucine benzyl ester 4-toluenesulfonate salt
Packaging
5g
Price
$170
Updated
2021/12/16
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L-Leucine benzyl ester p-toluenesulfonate salt Chemical Properties,Usage,Production

Chemical Properties

White powder

Uses

L-Leucine Benzyl Ester p-Toluenesulfonate has been used as a reactant in the synthesis of MA026, a lipocyclodepsipeptide with anti-hepatitis C virus activity.

L-Leucine benzyl ester p-toluenesulfonate salt Preparation Products And Raw materials

Raw materials

Preparation Products

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L-Leucine benzyl ester p-toluenesulfonate salt Suppliers

Americas 1 China 260 Europe 3 France 1 Germany 5 Hungary 1 India 2 Italy 2 Japan 5 South Korea 1 Switzerland 4 United Kingdom 8 United States 41 Global 334
Christof Senn Laboratories AG
Tel
--
Fax
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Email
christof.senn@cslabs.ch
Country
Switzerland
ProdList
502
Advantage
58
Bachem AG
Tel
--
Fax
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Email
sales.ch@bachem.com
Country
Switzerland
ProdList
438
Advantage
58
SIGMA-RBI
Tel
--
Fax
--
Country
Switzerland
ProdList
6896
Advantage
91
Senn Chemicals AG
Tel
--
Fax
--
Email
swiss@sennchem.com
Country
Switzerland
ProdList
3143
Advantage
71
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View Lastest Price from L-Leucine benzyl ester p-toluenesulfonate salt manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
L-Leucine benzyl ester p-toluenesulfonate salt 1738-77-8
Price
US $0.00/Kg/Drum
Min. Order
1KG
Purity
98%min
Supply Ability
1000kg
Release date
2021-08-28
Hebei Chuanghai Biotechnology Co., Ltd
Product
L-Leucine benzyl ester p-toluenesulfonate salt 1738-77-8
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5tons
Release date
2024-12-03
Sichuan HongRi Pharma-Tech Co.,Ltd
Product
L-Leu-OBzl.TosOH 1738-77-8
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1T+
Release date
2024-03-28

1738-77-8, L-Leucine benzyl ester p-toluenesulfonate saltRelated Search:

L-tert-Leucine Sorafenib tosylate Benzyl alcohol Benzyl chloride Benzyl benzoate Sodium xylenesulfonate p-Toluenesulfonic acid Methyl acrylate Benzyl nicotinate SODIUM P-TOLUENESULFONATE Sodium p-toluenesulfonate Tris(trimethylsilyl)phosphate L-Leucyl-L-Leucine methyl ester (hydrochloride) H-LEU-PHE-OH H-L-Hgn(Trt)-OH H-LEU-LYS (Z) - OH L-Leucine tert-butyl ester hydrochloride L-LEUCYL-L-ALANINE

  • L-LEUCINE BENZYL ESTER 4-TOLUENESULFONATE SALT
  • L-LEUCINE BENZYL ESTER MONOTOSYLATE
  • L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE
  • L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE SALT
  • L-LEUCINE BENZYL ESTER-P-TOSYLATE
  • L-LEUCINE BENZYL ESTER (P-TOSYL) SALT
  • L-LEUCINE BENZYL ESTER PTSA
  • L-LEUCINE BENZYL ESTER TOLUENE-4-SULFONATE
  • L-LEUCINE BENZYL ESTER TOSYLATE
  • 2-amino-4-methylpentanoic acid (phenylmethyl) ester
  • (S)-Benzyl 2-aMino-4-Methylpentanoate 4-Methylbenzenesulfonate
  • L-Leu-OBzl·Tos
  • H-Leu-OBzl.Tos, L-Leucine benzyl ester p-toluenesulfonate
  • amino acid L-Leucine benzyl ester p-toluenesulfonate salt
  • benzyl (2S)-2-amino-4-methylpentanoate
  • L-Leucine Benzyl Ester p-Methylbenzenesulfonate
  • LEU-OBZL TOS
  • LEUCINE-OBZL P-TOSYLATE
  • H-Leu-OBzl p-Tosylate (L-Leucine benzyl ester tosylate)
  • Leucine,benzyl ester,PTSA
  • L-Leucine benzyl est
  • H-LEU-OBZL P-TOSYLATE
  • H-LEU-OBZL TOS
  • H-LEU-OBZL TOSOH
  • H-L-LEU-OBZL PTSA
  • H-LEU-OBZL·TOS
  • L-Leucine benzyl ester 4-toluenesulfonate
  • Leu-OBzl·TosOH
  • L-LEUCINEBENZYLESTER-TOLUENESULFONATESALT
  • L-Leu-OBzl·TosOH
  • ester·Tos
  • L-Leucine benzyl
  • H-LEU-OBZL.PTSA
  • H-L-Leu-OBzl*Tos
  • L-Leucine benzyl ester p-toluenesulfonate salt,O-Benzyl-L-leucine toluene-p-sulphonate
  • o-benzyl-l-leucine toluene-p-sulphonate
  • L-leucine benzyl p-toluenesulfonate
  • L-LeucineBenzylEsterp-Toluenesulfonate&gt
  • L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1)
  • L-Leucinebenzylesterp-toluenesulfonatesal
  • L-Leucine benzyl ester p-toluenesulfonate salt USP/EP/BP
  • L-Leucine benzyl ester p-toluenesulfonic salt
  • Benzyl L-leucinate p-toluenesulfonate
  • [(2S)-4-methyl-1-oxo-1-phenylmethoxypentan-2-yl]azanium
  • H-Leu-OBzl.Tos,L-Leucine benzyl ester
  • H-Leu-OBzI-ToSOH
  • 1738-77-8
  • 11738-77-8
  • C7H8O3SC13H19NO2
  • CH32CHCH2CHNH2COOCH2C6H5C7H8O3S
  • C13H19NO2C7H8O3S
  • Specialty Synthesis
  • Peptide Synthesis
  • Leucine
  • Amino Acid Derivatives
  • Amino Acids
  • I - ZPeptide Synthesis
  • Modified Amino Acids