2139-90-4

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Basic information

Product Name: S-ethylcysteine
Synonyms: S-ethylcysteine
CAS NO:2139-90-4
Molecular Formula: C₅H₁₁NO₂S
Molecular Weight: 149.21
EINECS: N/A
Product Categories: N/A
Mol File: 2139-90-4.mol
Article Data: 2

Chemical Properties

Melting Point: 241-242 °C
Boiling Point: 289.2°Cat760mmHg
Flash Point: 128.7°C
Appearance: /
Density: 1.206g/cm³
Vapor Pressure: 0.00908mmHg at 25°C
Refractive Index: 1.504
Storage Temp.: N/A
Solubility: N/A
PKA: 2.10±0.10(Predicted)
CAS DataBase Reference: S-ethylcysteine(CAS DataBase Reference)
NIST Chemistry Reference: S-ethylcysteine(2139-90-4)
EPA Substance Registry System: S-ethylcysteine(2139-90-4)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 2139-90-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2139-90-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,3 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 2139-90:
(6*2)+(5*1)+(4*3)+(3*9)+(2*9)+(1*0)=74
74 % 10 = 4
So 2139-90-4 is a valid CAS Registry Number.

InChI:InChI=1/C5H11NO2S/c1-2-6-4(3-9)5(7)8/h4,6,9H,2-3H2,1H3,(H,7,8)/t4-/m1/s1

2139-90-4SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name	S-ethyl-cysteine

1.2 Other means of identification

Product number	-
Other names	2-amino-3-(ethylthio)propionic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2139-90-4 SDS

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2139-90-4Relevant articles and documents

Palatability of aquaculture feed

-

, (2008/06/13)

A method for enhancing the palatability of aquaculture food, the method comprising treating the food with a compound of Formula I: wherein R1, R2, R3, and n are as defined herein, are disclosed.

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