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N-ACETYL-S-BENZYL-L-CYSTEINE

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Origin: China

Cas No: 19542-77-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

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

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Product Description

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CAS No.: 19542-77-9 Formula: C12H15NO3S Molecular Weight: 253.31700

Description

Benzylmercapturic acid is a minor metabolite of toluene in humans. It is used in the diagnosis of toluene exposure. As its name indicates, is a benzyl derivative of mercapturic acid (acetylcysteine).

Basic Info

Chemical Name	N-ACETYL-S-BENZYL-L-CYSTEINE
Synonyms	S-Benzyl-N-acetyl-L-cystein; Benzylmercapturic Acid; N-acetyl-S-benzyl cysteine; N-Acetyl-S-benzyl-L-cystein; s-benzyl-n-acetyl-l-cysteine; N-Acetyl-S-phenyl-L-cysteine methyl ester; S-benzyl mercapturic acid; ACETYL BENZYL CYSTEINE;
CAS No.	19542-77-9
Molecular Formula	C12H15NO3S
Molecular Weight	253.31700
PSA	91.70000
LogP	1.90000

Properties

Appearance & Physical State	White to yellow crystalline powder.
Density	1.246 g/cm3
Boiling Point	506.2ºC at 760 mmHg
Melting Point	162 - 163ºC
Flash Point	259.9ºC
Storage Condition	0-6ºC
Vapor Pressure	4.55E-11mmHg at 25°C

Safety Info

Hazard Class	6.1(a)
Safety Statements	S24/25
HS Code	2930909090
Packing Group	II
RIDADR	1711
Risk Statements	R52/53; R33; R23/24/25
Hazard Codes	T

Synthesis Route

(R)-S-Benzylcysteine→N-benzoylglycine+2-acetamido-3-benzylsulfanylpropanoic acid
2R-amino-3-benzylsulfanylpropionic acid→2-acetamido-3-benzylsulfanylpropanoic acid+N-ACETYL-S-BENZYL-L-CYSTEINE
N-acetyl-L-cysteine+benzyl bromide→N-ACETYL-S-BENZYL-L-CYSTEINE

Precursor

N-acetyl-L-cysteine
Acetic anhydride
(R)-S-Benzylcysteine
benzyl chloride

Downstream Product

(R)-S-Benzylcysteine
(2R)-2-acetamido-N-methyl-3-sulfanylpropanamide

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