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40548-59-2

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40548-59-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40548-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,4 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 40548-59:
(7*4)+(6*0)+(5*5)+(4*4)+(3*8)+(2*5)+(1*9)=112
112 % 10 = 2
So 40548-59-2 is a valid CAS Registry Number.

40548-59-2Relevant articles and documents

Formation of cyclopropanes by homolytic substitution reactions of 3- iodopropyl radicals: Preparative and rate studies

Curran, Dennis P.,Gabarda, Ana E.

, p. 3327 - 3336 (2007/10/03)

Reduction of 2-substituted 1,3-diiodopropane derivatives with tin hydride provides substituted cyclopropanes. The reaction occurs through a homolytic substitution of the 3-iodopropyl radical, which has a rate constant of about 5 x 105 s-1 at 80°C.

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