146321-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146321-53-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,3,2 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 146321-53:
(8*1)+(7*4)+(6*6)+(5*3)+(4*2)+(3*1)+(2*5)+(1*3)=111
111 % 10 = 1
So 146321-53-1 is a valid CAS Registry Number.
146321-53-1Relevant articles and documents
INVESTIGATION IN THE CHROMONE SERIES. PART XX. CHROMONE-3-PHOSPHONIC ACIDS AND ESTERS
Kostka, Krzysztof,Pastuszko, Slawomir,Porada, Marek
, p. 67 - 74 (2007/10/02)
In the Arbuzov and Perkow reactions of 2-bromo-2'-acyloxyacetophenone with trimethyl phosphite the derivatives in position 2 of 3-phosphonochromone acids and esters and 1,2'-acyloxyphenylvinylphosphates were obtained. Key words: Substituted chromone 3-pho
