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931-31-7

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931-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 931-31-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 931-31:
(5*9)+(4*3)+(3*1)+(2*3)+(1*1)=67
67 % 10 = 7
So 931-31-7 is a valid CAS Registry Number.

931-31-7Downstream Products

931-31-7Relevant articles and documents

Applications of Cyclopropylboranes in Organic Synthesis. 1. A Stereocontrolled Route to Substituted Cyclopropanol Derivatives

Danheiser, Rick L.,Savoca, Ann C.

, p. 2401 - 2403 (2007/10/02)

Secondary and tertiary cyclopropanols are produced stereoselectively via the sequential treatment of 1,1-dibromocyclopropanes with n-butyllithium, catecholborane (or trialkylborane) and alkaline hydrogen peroxide.

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