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1374225-82-7

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1374225-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1374225-82-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,2,2 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1374225-82:
(9*1)+(8*3)+(7*7)+(6*4)+(5*2)+(4*2)+(3*5)+(2*8)+(1*2)=157
157 % 10 = 7
So 1374225-82-7 is a valid CAS Registry Number.

1374225-82-7Downstream Products

1374225-82-7Relevant articles and documents

An easy stereoselective copper(I)-catalyzed synthesis of (E)-3-trifluoromethylbut-2-en-3-ynoate via palladium-free stille coupling reaction

Zine, Khalid,Petrignet, Julien,Thibonnet, Jér?me,Abarbri, Mohamed

, p. 755 - 759 (2012)

A general and efficient Cu(I)-catalyzed cross-coupling reaction of alkynyl bromides and β-tributylstannyl-α,β-unsaturated ester bearing a trifluoromethyl group in -position was developed under very mild conditions. This method provides easy access to a variety of 2,3-enynoate bearing a trifluoromethyl group from good to excellent yields with excellent stereoselectivity. This procedure does not require the use of any expensive supplementary additives and is palladium-free. Georg Thieme Verlag Stuttgart · New York.

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