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188303-62-0

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188303-62-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188303-62-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,3,0 and 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 188303-62:
(8*1)+(7*8)+(6*8)+(5*3)+(4*0)+(3*3)+(2*6)+(1*2)=150
150 % 10 = 0
So 188303-62-0 is a valid CAS Registry Number.

188303-62-0Downstream Products

188303-62-0Relevant articles and documents

2-Alkenyl dioxolanylium cations, new reactive dienophiles in low temperature asymmetric Diels-Alder reactions

Haudrechy, Arnaud,Picoul, Willy,Langlois, Yves

, p. 139 - 148 (2007/10/03)

Chiral orthoesters 14-22 were prepared by an exchange reaction with orthoester 13. These compounds, after treatment with trimethylsilyltriflate or tin(IV) chloride, gave rise to vinyl dioxolanylium cations which proved to be very reactive dienophils in various Diels-Alder reactions.

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