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131617-81-7

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131617-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131617-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,1 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131617-81:
(8*1)+(7*3)+(6*1)+(5*6)+(4*1)+(3*7)+(2*8)+(1*1)=107
107 % 10 = 7
So 131617-81-7 is a valid CAS Registry Number.

131617-81-7Relevant articles and documents

Manganese(III)-Based Asymmetric Oxidative Free-Radical Cyclization of Unsaturated β-Keto Sulfoxides

Snider, Barry B.,Wan, Barbara Yu-Fong,Buckman, Brad O.,Foxman, Bruce M.

, p. 328 - 334 (2007/10/02)

β-Keto sulfoxides and β-keto sulfones can be used as substrates for Mn(III)- and Cu(II)-based oxidative free-radical cyclizations.The sulfoxide chiral center completely controls the stereochemistry of the cyclization.Oxidative cyclization of racemic sulfo

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