266001-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 266001-31-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,6,0,0 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 266001-31:
(8*2)+(7*6)+(6*6)+(5*0)+(4*0)+(3*1)+(2*3)+(1*1)=104
104 % 10 = 4
So 266001-31-4 is a valid CAS Registry Number.
266001-31-4Relevant articles and documents
Synthesis and heterocyclization of β-aroyl-α- diphenylphosphorylpropionic acids
Khachatryan,Khachikyan,Karamyan,Panosyan,Indzhikyan
, p. 446 - 451 (2007/10/03)
It has been established that diphenylphosphine oxide reacts smoothly with β-aroylacrylic acids with the formation of β-aroyl-α- diphenylphosphorylpropionic acids, which were cyclized under the action of hydroxylamine, hydrazine hydrate, and phenylhydrazin
