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424836-20-4

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424836-20-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 424836-20-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,4,8,3 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 424836-20:
(8*4)+(7*2)+(6*4)+(5*8)+(4*3)+(3*6)+(2*2)+(1*0)=144
144 % 10 = 4
So 424836-20-4 is a valid CAS Registry Number.

424836-20-4Downstream Products

424836-20-4Relevant articles and documents

Facile preparation of [4.4]metacyclophane- and [5.5]paracyclophane-type macrocycles from arylboronic acids and salicylideneaminoaryl alcohols

Sanchez, Mario,Hoepfl, Herbert,Ochoa, Maria-Eugenia,Farfan, Norberto,Santillan, Rosa,Rojas-Lima, Susana

, p. 612 - 621 (2007/10/03)

Four different salicylideneaminoaryl alcohols have been treated with arylboronic acids in order to prepare air-stable cyclophane-type macrocyclic systems. In two cases, this objective could be realized with the high-yield formation of [4.4]metacyclophane

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