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1337541-95-3

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1337541-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1337541-95-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,7,5,4 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1337541-95:
(9*1)+(8*3)+(7*3)+(6*7)+(5*5)+(4*4)+(3*1)+(2*9)+(1*5)=163
163 % 10 = 3
So 1337541-95-3 is a valid CAS Registry Number.

1337541-95-3Relevant articles and documents

Multisubstituted furan formation from (Z)- or (E)-enynyl acetates: Tandem reactions accelerated by electron-donating groups on aromatic rings

Okamoto, Noriko,Yanada, Reiko

scheme or table, p. 3944 - 3951 (2012/06/18)

Multisubstituted furans were readily prepared from (Z)- or (E)-conjugated enynyl acetates with NXS under metal-free conditions at room temperature via the same haloallenyl ketone intermediates. This tandem haloallenyl ketone formation-furan formation reaction sequence was accelerated by electron-donating groups on the aromatic rings.

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