100231-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100231-41-2 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 1 respectively.
Calculate Digit Verification of CAS Registry Number 100231-41:
(8*1)+(7*0)+(6*0)+(5*2)+(4*3)+(3*1)+(2*4)+(1*1)=42
42 % 10 = 2
So 100231-41-2 is a valid CAS Registry Number.
100231-41-2Relevant 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