75307-68-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75307-68-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,3,0 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75307-68:
(7*7)+(6*5)+(5*3)+(4*0)+(3*7)+(2*6)+(1*8)=135
135 % 10 = 5
So 75307-68-5 is a valid CAS Registry Number.
75307-68-5Relevant articles and documents
Introduction of Oxygen Functions into the α-Position of β-Diketones, 4: "Hydroxy- and Oxo-Meldrum's Acids"
Bouillon, Guenther,Schank, Kurt
, p. 2630 - 2635 (2007/10/02)
Synthesis and properties of 5-hydroxy-, 5-acyloxy-, 5-oxo- and 5,5-dihydroxy-2,2-dialkyl-1,3-dioxane-4,6-diones (6, 5/9, 7, 10) are described.