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1609974-03-9

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1609974-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1609974-03-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,9,7 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1609974-03:
(9*1)+(8*6)+(7*0)+(6*9)+(5*9)+(4*7)+(3*4)+(2*0)+(1*3)=199
199 % 10 = 9
So 1609974-03-9 is a valid CAS Registry Number.

1609974-03-9Downstream Products

1609974-03-9Relevant articles and documents

Stereoselective formation of (E)-β-alkoxy acrylates from fischer carbene complexes and chelated amino acid ester enolates

Chaudhuri, Rupsha,Kazmaier, Uli

, p. 693 - 695 (2014/04/03)

Chelated amino acid ester enolates react with alkyl Fischer carbene complexes via nucleophilic attack on the electrophilic carbene center. Subsequent elimination of the metal fragment and trifluoroacetamide results in the formation of β-alkoxy-α,β-unsaturated esters in a highly E-stereoselective fashion. Georg Thieme Verlag Stuttgart. New York.

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