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125782-68-5

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125782-68-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125782-68-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,7,8 and 2 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 125782-68:
(8*1)+(7*2)+(6*5)+(5*7)+(4*8)+(3*2)+(2*6)+(1*8)=145
145 % 10 = 5
So 125782-68-5 is a valid CAS Registry Number.

125782-68-5Relevant articles and documents

Methodology for the Enantioselective Synthesis of Aldols and Other 1,3-Dioxygenated Systems

Ireland, Robert E.,Wipf, Peter,Miltz, Wolfgang,Vanasse, Benoit

, p. 1423 - 1424 (1990)

The enantioselective synthesis of the spiroenones 3, 4 from (S)-glycidol-O-benzyl ether and lithiated furan derivatives is described.After conjugate addition of lithium dimethyl cuprate or lithium divinyl cuprate and conversion of the resulting saturated ketones to their respective iodides 7 and 8, fragmentation of these halides leads to the formation of acyclic aldol-containing carbon skeletons.

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