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306973-75-1

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306973-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 306973-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,9,7 and 3 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 306973-75:
(8*3)+(7*0)+(6*6)+(5*9)+(4*7)+(3*3)+(2*7)+(1*5)=161
161 % 10 = 1
So 306973-75-1 is a valid CAS Registry Number.

306973-75-1Downstream Products

306973-75-1Relevant articles and documents

Chiral α-substituted carbonyls and alcohols from the S(N)2' displacement of cuprates on chiral carbonates: An alternative to the alkylation of chiral enolates

Spino,Beaulieu,Lafreniere

, p. 7091 - 7097 (2007/10/03)

A highly stereoselective sequence of reactions, based on the anti-selective S(N)2' addition of cuprates to allylic carbonates, transforms alkynes or alkenyl halides into carbonyls having α-chiral centers. The method, which uses menthone as a chiral auxiliary, is a useful alternative to the alkylation of chiral enolates with the added advantage of allowing for the 'alkylation' of sec- and tert-alkyl and aryl groups.

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