1038734-10-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1038734-10-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,8,7,3 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1038734-10:
(9*1)+(8*0)+(7*3)+(6*8)+(5*7)+(4*3)+(3*4)+(2*1)+(1*0)=139
139 % 10 = 9
So 1038734-10-9 is a valid CAS Registry Number.
1038734-10-9Relevant articles and documents
Aromatics from pyrones: Para-substituted alkyl benzoates from alkenes, coumalic acid and methyl coumalate
Kraus, George A.,Riley, Sean,Cordes, Travis
, p. 2734 - 2736 (2011)
The Diels-Alder reaction of coumalic acid and methyl coumalate with unactivated alkenes provides only para-substituted adducts in good yield.
