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β-Trifluoromethylcrotonic acid methyl ester is an organic compound with the chemical formula C6H7F3O2. It is a derivative of crotonic acid, featuring a methyl ester group and a trifluoromethyl group attached to the β-carbon position. β-trifluoromethylcrotonic acid methyl ester is known for its unique reactivity and stability, which makes it a valuable intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Its synthesis typically involves the reaction of methyl acrylate with trifluoroacetic acid or its anhydride, followed by a Michael addition. The compound's properties, such as its electron-withdrawing trifluoromethyl group, can significantly influence the reactivity and selectivity in various chemical transformations, making it a versatile building block in organic synthesis.

671-82-9

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671-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 671-82-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 1 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 671-82:
(5*6)+(4*7)+(3*1)+(2*8)+(1*2)=79
79 % 10 = 9
So 671-82-9 is a valid CAS Registry Number.

671-82-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name β-trifluoromethylcrotonic acid methyl ester

1.2 Other means of identification

Product number -
Other names methyl 3-trifluoromethyl but-2-enoate

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 -
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More Details:671-82-9 SDS

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