215672-87-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215672-87-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,6,7 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 215672-87:
(8*2)+(7*1)+(6*5)+(5*6)+(4*7)+(3*2)+(2*8)+(1*7)=140
140 % 10 = 0
So 215672-87-0 is a valid CAS Registry Number.
215672-87-0Relevant 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.