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2-Pyrrolidinone, 1-butyl-5-thioxo-, also known as 1-butyl-5-thioxo-2-pyrrolidinone, is a chemical compound with the molecular formula C8H15NO2S. It is a derivative of pyrrolidinone, featuring a butyl group attached to the nitrogen atom and a thioxo (sulfur-oxygen) group at the 5-position. 2-Pyrrolidinone, 1-butyl-5-thioxo- is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly those containing the 1,4-dihydropyridine ring system. The 1,4-dihydropyridine derivatives are known for their wide range of applications, including as calcium channel blockers in cardiovascular therapy and as pesticides. The synthesis of 1-butyl-5-thioxo-2-pyrrolidinone typically involves the condensation of 1-butyl-5-oxo-2-pyrrolidinone with phosphorus pentasulfide, followed by cyclization to form the desired 1,4-dihydropyridine structure.

4166-04-5

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4166-04-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4166-04-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,6 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 4166-04:
(6*4)+(5*1)+(4*6)+(3*6)+(2*0)+(1*4)=75
75 % 10 = 5
So 4166-04-5 is a valid CAS Registry Number.

4166-04-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-butyl-5-thioxo-pyrrolidin-2-one

1.2 Other means of identification

Product number -
Other names N-Butyl-thiosuccinimid

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:4166-04-5 SDS

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