98322-65-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 98322-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,2 and 2 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 98322-65:
(7*9)+(6*8)+(5*3)+(4*2)+(3*2)+(2*6)+(1*5)=157
157 % 10 = 7
So 98322-65-7 is a valid CAS Registry Number.
98322-65-7Relevant articles and documents
Synthesis of atovaquone
Williams, David R.,Clark, Michael P.
, p. 7629 - 7632 (2007/10/03)
A short synthesis of atovaquone I is achieved via the radical coupling of the trans-1,4-substituted cyclohexyl mono-oxalate 2 and 2- chloronapthoquinone under phase transfer conditions.