1738-77-8
1738-77-8 structure
- Name: H-Leu-OBzl.TosOH
- Chemical Name: L-Leucine benzyl ester p-toluenesulfonate salt
- CAS Number: 1738-77-8
- Molecular Formula: C20H27NO5S
- Molecular Weight: 393.497
- Catalog: Biochemical Amino acids and their derivatives Leucine derivative
- Create Date: 2018-05-17 08:00:00
- Modify Date: 2026-07-01 18:34:25
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L-Leucine benzyl ester p-toluenesulfonate is a leucine derivative[1].
| Name | L-Leucine benzyl ester p-toluenesulfonate salt |
|---|---|
| Synonyms |
Benzyl L-leucinate 4-methylbenzenesulfonate (1:1)
L-Leucine benzyl ester 4-toluenesulfonate L-Leucine benzyl H-Leu-OBzl·TosOH L-Leucine benzyl ester p-toluenesulfonate salt //BP Leucine,benzyl ester,PTSA L-LEUCINEBENZYLESTER-TOLUENESULFONATESALT L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE SALT LEUCINE-OBZL P-TOSYLATE L-Leucine Benzyl Ester p-Methylbenzenesulfonate benzyl (2S)-2-amino-4-methylpentanoate H-Leu-Obzl.Tos-OH L-Leucine benzyl ester p-toluenesulfonic salt L-LEUCINE BENZYL ESTER-P-TOSYLATE o-benzyl-l-leucine toluene-p-sulphonate L-LEUCINE BENZYL ESTER 4-TOLUENESULFONATE SALT L-LEUCINE BENZYL ESTER MONOTOSYLATE H-L-LEU-OBZL PTSA 2-amino-4-methylpentanoic acid (phenylmethyl) ester H-LEU-OBZL TOS L-LeucineBenzylEsterp-Toluenesulfonate> H-LEU-OBZL TOSOH Leu-Obzl TosOH L-Leucine Benzyl Ester p-Toluenesulfonate ester·Tos L-LEUCINE BENZYL ESTER P-TOLUENESULFONATE L-Leucine, phenylmethyl ester, 4-methylbenzenesulfonate (1:1) L-LEUCINE BENZYL ESTER (P-TOSYL) SALT L-Leu-OBzl·Tos H-LEU-OBZL.PTSA L-Leucine benzyl est H-LEU-OBZL P-TOSYLATE L-leucine benzyl p-toluenesulfonate H-Leu-OBzl·Tos-OH H-Leu-Obzl-Tosoh L-LEUCINE BENZYL ESTER PTSA H-Leu-OBzl p-Tosylate (L-Leucine benzyl ester tosylate) Benzyl L-leucinate p-toluenesulfonate benzyl (2S)-2-amino-4-methylpentanoate,4-methylbenzenesulfonic acid H-Leu-OBzl.Tos,L-Leucine benzyl ester H-Leu-OBzl.Tos, L-Leucine benzyl ester p-toluenesulfonate MFCD00066117 H-LEU-OBZL·TOS H-L-Leu-OBzl*Tos L-Leucine benzyl ester p-toluenesulfonate salt,O-Benzyl-L-leucine toluene-p-sulphonate L-Leucinebenzylesterp-toluenesulfonatesal L-LEUCINE BENZYL ESTER TOSYLATE [(2S)-4-methyl-1-oxo-1-phenylmethoxypentan-2-yl]azanium (S)-Benzyl 2-amino-4-Methylpentanoate 4-Methylbenzenesulfonate EINECS 217-095-1 L-LEUCINE BENZYL ESTER TOLUENE-4-SULFONATE amino acid L-Leucine benzyl ester p-toluenesulfonate salt Leu-OBzl·TosOH L-Leu-OBzl·TosOH LEU-OBZL TOS H-Leu-OBzI-ToSOH |
| Description | L-Leucine benzyl ester p-toluenesulfonate is a leucine derivative[1]. |
|---|---|
| Related Catalog | |
| In Vitro | Amino acids and amino acid derivatives have been commercially used as ergogenic supplements. They influence the secretion of anabolic hormones, supply of fuel during exercise, mental performance during stress related tasks and prevent exercise induced muscle damage. They are recognized to be beneficial as ergogenic dietary substances[1]. |
| References |
| 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 |
| 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 |
|
~87%
1738-77-8 |
| Literature: Liebigs Annalen der Chemie, , p. 1079 - 1082 |
|
~98%
1738-77-8 |
| Literature: Journal of Organic Chemistry, , vol. 48, # 1 p. 121 - 123 |
|
~84%
1738-77-8 |
| Literature: Tetrahedron, , vol. 65, # 47 p. 9702 - 9706 |
|
~%
1738-77-8 |
| Literature: Letters in Organic Chemistry, , vol. 7, # 1 p. 39 - 44 |
| Precursor 4 | |
|---|---|
| DownStream 6 | |
![L-Lysinamide, D-valyl-L-leucyl-N-[4-[bis (2-chloroethyl)amino]phenyl]-, bis(trifluoroacetate) structure](https://image.chemsrc.com/caspic/058/84559-75-1.png)
| 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% |