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840474-62-6

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840474-62-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 840474-62-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,0,4,7 and 4 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 840474-62:
(8*8)+(7*4)+(6*0)+(5*4)+(4*7)+(3*4)+(2*6)+(1*2)=166
166 % 10 = 6
So 840474-62-6 is a valid CAS Registry Number.

840474-62-6Downstream Products

840474-62-6Relevant articles and documents

Investigation of the effect of the ligand/palladium ratio on the catalytic activity of reusable palladium/phosphine/ionic liquid systems in aminocarbonylation of 17-iodo-androst-16-ene with amino acid ester nucleophiles

Takacs, Eszter,Skoda-Foeldes, Rita

, p. 448 - 452 (2009)

Ionic liquids as solvents were used effectively in palladium catalysed aminocarbonylation of 17-iodo-5α- androst-16-ene (1) with L-amino acid esters. Interestingly, optimal conditions that are essential for the successful reuse of the ionic liquid/catalys

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