139501-87-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139501-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,5,0 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139501-87:
(8*1)+(7*3)+(6*9)+(5*5)+(4*0)+(3*1)+(2*8)+(1*7)=134
134 % 10 = 4
So 139501-87-4 is a valid CAS Registry Number.
139501-87-4Relevant academic research and scientific papers
Chemistry of dimedone--Structures of aldehyde-dimedone adducts
Nagarajan, K,Shenoy, S J
, p. 73 - 87 (2007/10/02)
Novel features in the structures and stability of products of the hoary reaction of aldehydes with dimedone are described.Dimedone and cinnamaldehyde afford the bisdimedonyl derivative 3 or the perhydrochroman 5, while 4-dimethylaminocinnamaldehyde afford
