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858478-93-0

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858478-93-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 858478-93-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,4,7 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 858478-93:
(8*8)+(7*5)+(6*8)+(5*4)+(4*7)+(3*8)+(2*9)+(1*3)=240
240 % 10 = 0
So 858478-93-0 is a valid CAS Registry Number.

858478-93-0Relevant articles and documents

Heterogeneous catalysis with nickel-on-graphite (Ni/Cg): Reduction of aryl tosylates and mesylates

Lipshutz, Bruce H.,Frieman, Bryan A.,Butler, Tom,Kogan, Vladimir

, p. 800 - 803 (2006)

(Chemical Equation Presented) How would you reduce an aryl OH group? Traditionally, a palladium catalyst, a mild source of hydride, and a triflate derivative are used in solution. A more modern alternative is presented that is not only economical but heterogeneous as well. Nickel-on-graphite (Ni/C g) is introduced as a very inexpensive catalyst that reduces aryl tosylates and mesylates with excellent functional group tolerance.

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