89242-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89242-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,4 and 2 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 89242-53:
(7*8)+(6*9)+(5*2)+(4*4)+(3*2)+(2*5)+(1*3)=155
155 % 10 = 5
So 89242-53-5 is a valid CAS Registry Number.
89242-53-5Relevant academic research and scientific papers
IMINOPHOSPHORANE-MEDIATED SYNTHESIS OF 4-HETEROARYLMETHYLENE-2-ARYL-2-OXAZOLIN-5-ONES.
Molina, P.,Fresheda, P. M.,Hurtado, F.
, p. 485 - 490 (2007/10/02)
A number of 2-oxazolin-5-one derivatives have been prepared by reaction of iminophosphoranes 1 with aroyl chlorides.