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203914-86-7

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203914-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 203914-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,9,1 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 203914-86:
(8*2)+(7*0)+(6*3)+(5*9)+(4*1)+(3*4)+(2*8)+(1*6)=117
117 % 10 = 7
So 203914-86-7 is a valid CAS Registry Number.

203914-86-7Downstream Products

203914-86-7Relevant articles and documents

Regio- and stereoselective alkoxycarbonylmethylenation of partially saturated heterobicyclic compounds: First synthesis of 2-substituted quinazoline-8-acetic acid esters

Zumbrunn, Albrecht,Lamberth, Clemens,Schaub, Fritz

, p. 475 - 483 (2007/10/03)

The three-step synthesis of 2-substituted quinazol-8-yl acetates is described, introducing a completely new method for the regio- and stereoselective alkoxycarbonylmethylenation of tetrahydroquinazolines.

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