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25216-08-4

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25216-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25216-08-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,2,1 and 6 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 25216-08:
(7*2)+(6*5)+(5*2)+(4*1)+(3*6)+(2*0)+(1*8)=84
84 % 10 = 4
So 25216-08-4 is a valid CAS Registry Number.

25216-08-4Relevant articles and documents

Process for the preparation of hydroxyalkylaminonitrobenzene derivatives

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, (2008/06/13)

The present invention relates to a process for the preparation of compounds of the general formula I STR1 by reaction of compounds of the general formula II STR2 with compounds of the general formula III STR3 in inert aprotic solvents in the presence of a base and subsequent rearrangement of the resulting intermediate compound with an alkali metal hydroxide, characterized in that the intermediate compound is not isolated.

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