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L-Valine benzyl ester p-toluenesulfonate salt

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Origin: China

Cas No: 16652-76-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
16652-76-9
Other Names:
L-Valine benzyl ester 4-toluenesulfonate
MF:
C19H25NO5S
EINECS No.:
240-702-6
Place of Origin:
Shandong, China
Type:
Vitamins, Amino Acids and Coenzymes
Grade Standard:
Medicine Grade
Usage:
Animal Pharmaceuticals
Brand Name:
Fousi
Model Number:
FS 16652-76-9
Purity:
98%
Product name:
L-Valine benzyl ester 4-toluenesulfonate
CAS:
16652-76-9
Molecular Weight:
379.47
Melting point:
160-162 °C
Boiling point:
160-162°C
Storage:
-20°C
Color:
white
Form:
powder
Payment Term:
T/T;Western Union;Trade Assurance
Package:
Aluminum Bag
Packaging&Delivery
Packaging Details
25kg/drum, 200kg/drum, or according to your demand
Port
SHANGHAI,QINGDAO
Lead Time:
Quantity(Grams) 1 - 1 >1
Est. Time(days) 3 To be negotiated

Property

CAS No.: 16652-76-9 Formula: C19H25NO5S Molecular Weight: 379.47100

Basic Info

Chemical Name	L-Valine benzyl ester p-toluenesulfonate salt
Synonyms	benzyl (2S)-2-amino-3-methylbutanoate,4-methylbenzenesulfonic acid; L-Valine Benzyl Ester 4-Toluenesulfonate; L-Valine Benzyl Ester p-Toluenesulfonate; Val-OBzl TosOH; H-Val-OBzl.Tos-OH;
CAS No.	16652-76-9
Molecular Formula	C19H25NO5S
Molecular Weight	379.47100
PSA	115.07000
LogP	4.73590

Properties

Appearance & Physical State	White to off-white crystalline powder
Boiling Point	285.5ºC at 760 mmHg
Melting Point	160-162ºC
Flash Point	143.7ºC
Storage Condition	-20ºC
Vapor Pressure	0.0028mmHg at 25°C

Safety Info

Safety Statements	S22-S24/25
HS Code	2922499990
WGK Germany	3

Synthesis Route

L-valine+toluene-4-sulfonic acid→L-Valine benzyl ester p-toluenesulfonate salt
toluene-4-sulfonic acid+benzyl (S)-2-((diphenylmethylene)amino)-3-methylbutanoate→L-Valine benzyl ester p-toluenesulfonate salt
(L)-valine methyl ester→L-Valine benzyl ester p-toluenesulfonate salt

Precursor

benzyl alcohol
toluene-4-sulfonic acid
benzyl (S)-2-((diphenylmethylene)amino)-3-methylbutanoate
(L)-valine methyl ester

Downstream Product

H-LEU-VAL-OH
L-valine
(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-4-oxobutanoyl]amino]-3-methylbutanoyl]amino]-3-methylbutanoic acid
H-VAL-VAL-OH

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