123035-11-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123035-11-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,0,3 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 123035-11:
(8*1)+(7*2)+(6*3)+(5*0)+(4*3)+(3*5)+(2*1)+(1*1)=70
70 % 10 = 0
So 123035-11-0 is a valid CAS Registry Number.
123035-11-0Relevant articles and documents
A Convenient One-Pot Synthesis of 1,5-Diaryl-1,2-epoxy-4-penten-3-ones
Iman, Manoutchehr,Chenault, Jacques
, p. 124 - 125 (1989)
The reaction between diethyl (2-oxopropyl)phosphonate (1), dry potassium carbonate, iodine, and various aromatic aldehydes in a liquid/solid two-phases system, gives 1,5-diaryl-1,2-epoxy-4-penten-3-ones 5 in good yields.
