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1346847-79-7

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1346847-79-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1346847-79-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,6,8,4 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1346847-79:
(9*1)+(8*3)+(7*4)+(6*6)+(5*8)+(4*4)+(3*7)+(2*7)+(1*9)=197
197 % 10 = 7
So 1346847-79-7 is a valid CAS Registry Number.

1346847-79-7Downstream Products

1346847-79-7Relevant articles and documents

Intramolecular [2 + 2] Cycloaddition reactions of alkynyl ether derived ketenes. a convenient synthesis of donor-acceptor cyclobutanes

Tran, Vincent,Minehan, Thomas G.

, p. 6588 - 6591 (2012/01/19)

Mild thermolysis of tert-butyl alkynyl ethers furnishes aldoketenes, which undergo facile [2 + 2] cycloaddition reactions with pendant di- and trisubstituted alkenes. A wide variety of cis-fused cyclobutanones are produced in moderate to high diastereoselectivity and good to excellent yields by this method, and free hydroxyl groups are tolerated in the ene-ynol ether starting materials. Enol-ynol ethers also undergo efficient reaction to produce donor-acceptor cyclobutanes in high yields.

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