67818-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67818-28-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,1 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 67818-28:
(7*6)+(6*7)+(5*8)+(4*1)+(3*8)+(2*2)+(1*8)=164
164 % 10 = 4
So 67818-28-4 is a valid CAS Registry Number.
67818-28-4Relevant articles and documents
THE CLAISEN REARRANGEMENT OF SOME ALLYL-β-NAPHTHYL ETHERS AND CYCLIZATION OF THE PRODUCTS
Prajer-Janczewska, Lidia,Wroblewski, Juliusz
, p. 1431 - 1437 (2007/10/02)
Some allyl-2-carboxy-3-hydroxy- as well as 2,3- and 2,7-diallyloxynaphtalenes were obtained.Respectively rearranged compounds were cyclized to naphthodihydrofuran rings.