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190520-70-8

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190520-70-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190520-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,5,2 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 190520-70:
(8*1)+(7*9)+(6*0)+(5*5)+(4*2)+(3*0)+(2*7)+(1*0)=118
118 % 10 = 8
So 190520-70-8 is a valid CAS Registry Number.

190520-70-8Relevant articles and documents

Processes for preparing aminophenylsulfonylureas, and intermediates therefor

-

, (2008/06/13)

The invention relates to the preparation of compounds (I) in which A=H or acyl and R1, R21, R3, R, n, X, Y and Z are as defined in claim 1 by halogenation and rearrangement of compounds (II) (optionally salt) to

Nitro-sulfobenzamides

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, (2008/06/13)

The present invention relates to a compound of the formula (I) wherein R1 is an unsubstituted or substituted hydrocarbon radical having a total of 1 to 10 carbon atoms, preferably 1 to 6 carbon atoms, R2 is an unsubstituted or substi

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