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100231-43-4

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100231-43-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100231-43-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,2,3 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100231-43:
(8*1)+(7*0)+(6*0)+(5*2)+(4*3)+(3*1)+(2*4)+(1*3)=44
44 % 10 = 4
So 100231-43-4 is a valid CAS Registry Number.

100231-43-4Relevant articles and documents

A Direct Synthesis of Trichodiene

Kraus, George A.,Thomas, P. J.

, p. 503 - 505 (2007/10/02)

The synthesis of trichodiene via the Ireland modification of the Claisen rearrangement is described.The enol ether resulting from the rearrangement functions as a protecting group during two reduction steps.The enol ether diastereomers can be conveniently

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