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163705-83-7

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163705-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163705-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,7,0 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 163705-83:
(8*1)+(7*6)+(6*3)+(5*7)+(4*0)+(3*5)+(2*8)+(1*3)=137
137 % 10 = 7
So 163705-83-7 is a valid CAS Registry Number.

163705-83-7Downstream Products

163705-83-7Relevant articles and documents

Asymmetric formation of quaternary centers through aza-annulation of chiral β-enamino esters with acrylate derivatives

Barta, Nancy S.,Brode, Adam,Stille, John R.

, p. 6201 - 6206 (2007/10/02)

The aza-annulation of β-enamino ester substrates with acrylate derivatives was used for the stereoselective formation of quaternary carbon centers. Tetrasubstituted secondary enamines, in which the enamine tautomer was stabilized through conjugation with

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