90607-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90607-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,0 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90607-99:
(7*9)+(6*0)+(5*6)+(4*0)+(3*7)+(2*9)+(1*9)=141
141 % 10 = 1
So 90607-99-1 is a valid CAS Registry Number.
90607-99-1Relevant articles and documents
A direct preparation of 6-methylene-2-cyclohexenones
Kraus, George A.,Kim, Junwon
, p. 1737 - 1738 (2004)
The reaction of enol silyl ethers with Eschenmoser's salt, followed by methylation and elimination, provides ready access to 6-methylene-2- cyclohexenones.
