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157063-03-1

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157063-03-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157063-03-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,6 and 3 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 157063-03:
(8*1)+(7*5)+(6*7)+(5*0)+(4*6)+(3*3)+(2*0)+(1*3)=121
121 % 10 = 1
So 157063-03-1 is a valid CAS Registry Number.

157063-03-1Relevant articles and documents

A versatile approach to cyclic ethers. Synthesis of disubstituted oxepanes and oxocanes

Teresa Mujica,Afonso, Maria M.,Galindo, Antonio,Antonio Palenzuela

, p. 3401 - 3404 (1994)

A synthetic sequence for the preparation of α,α'-disubstituted cyclic ethers of various ring sizes and either relative stereochemistry (cis or trans) is presented. It is based on the hetero Diels Alder reaction of a monoactivated diene and an aldehyde, yi

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