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1001916-28-4

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1001916-28-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1001916-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,1,9,1 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1001916-28:
(9*1)+(8*0)+(7*0)+(6*1)+(5*9)+(4*1)+(3*6)+(2*2)+(1*8)=94
94 % 10 = 4
So 1001916-28-4 is a valid CAS Registry Number.

1001916-28-4Downstream Products

1001916-28-4Relevant articles and documents

A regioselective palladium catalyzed synthesis of benzimidazoles and azabenzimidazoles

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Page/Page column 24-25, (2008/06/13)

The present invention relates to a process for the regioselective synthesis of compounds of the formula I, wherein R0; R1; R2; R3; R4; R5; A1; A2; A3; A4, Q and J have the meanings indicated in the claims. The present invention provides a direct palladium catalyzed, regioselective process to a wide variety of unsymmetrical, multifunctional N-substituted benzimidazoles or azabenzimidazoles of formula I starting from 2-halo-nitroarenes and N-substituted amides useful for the production of pharmaceuticals, diagnostic agents, liquid crystals, polymers, herbicides, fungicidals, nematicidals, parasiticides, insecticides, acaricitdes and arthropodicides.

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