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S-carboxymethyl-L-cysteine

CAS No.: 638-23-3      Formula: C5H9NO4S

Weight: 179.19400

Synonyms: Carbocistein; L-Cysteine, S-(carboxymethyl)-; S-Carboxymethyl-L-cysteine;


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Description

An important pharmaceutical raw material; used in the synthesis of various drugs, can reduce the viscosity of respiratory secretions, and is used to treat chronic bronchitis, emphysema, tuberculosis, etc.

Basic Information
CAS No.:638-23-3
Synonyms:Carbocistein; L-Cysteine, S-(carboxymethyl)-; S-Carboxymethyl-L-cysteine;
Formula:C5H9NO4S
Molecular Weight:179.19400
PSA:125.92000
LogP:-0.08360
Properties
Appearance & Character:Amorphous Powder, White to slightly off-white
Density:1.451g/cm³
Melting Point:208-213 °C (dec.)
Boiling Point:393.5ºC at 760 mmHg
Flash Point:191.8ºC
Storage Conditions:2-8°C
Safety Info
Customs Code:2930909090
WGK Germany:2
Hazard Category Code:R36/37/38
Security Instructions:S24/25
Dangerous Goods Sign:Xi
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