4333-68-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4333-68-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,3 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 4333-68:
(6*4)+(5*3)+(4*3)+(3*3)+(2*6)+(1*8)=80
80 % 10 = 0
So 4333-68-0 is a valid CAS Registry Number.
4333-68-0Relevant academic research and scientific papers
Zhu,Kayser
, p. 1179 - 1186 (1994)
A variety of enol lactones can be prepared through simple and inexpensive solid/liquid phase Wittig condensations of cyclic anhydrides with phosphonium salts.