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101074-20-8

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101074-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 101074-20-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,0,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 101074-20:
(8*1)+(7*0)+(6*1)+(5*0)+(4*7)+(3*4)+(2*2)+(1*0)=58
58 % 10 = 8
So 101074-20-8 is a valid CAS Registry Number.

101074-20-8Downstream Products

101074-20-8Relevant articles and documents

Dication Ethers. 7 . Dication Ether Salts from Cyclic Bisureas

Maas, Gerhard,Brueckmann, Ralf,Feith, Bernhard

, p. 907 - 910 (2007/10/02)

The bicyclic bisureas 2 react with triflic anhydride to give the dication ether salts 4.Further transformation of the remaining carbonyl groups pf 4 into bis-carbenium ether linkages was not possible.The monocyclic bisurea 8 yields the dicationic heterocycle 9 in an intramolecular fashion.The structure of 9, which is the first dication ether salt with an endocyclic ether linkage, was established by independent synthesis from 10 as well as by its hydrolysis to give the hemi-protonated bisureas 11.

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