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99683-11-1

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99683-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99683-11-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,8 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 99683-11:
(7*9)+(6*9)+(5*6)+(4*8)+(3*3)+(2*1)+(1*1)=191
191 % 10 = 1
So 99683-11-1 is a valid CAS Registry Number.

99683-11-1Relevant articles and documents

Reactions of α-or χ-Phenylthio Substituted Extended Enolate Anions Derived from Esters

Brownbridge, Peter,Durman, John,Hunt, Paul G.,Warren, Stuart

, p. 1947 - 1958 (2007/10/02)

The title anions are alkylated and acylated (α series only) exclusively at the α position.The α-phenylthio products give χ-phenylthio compounds by the PhS shift and the PhS group may be removed from the products in a number of ways.

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