255861-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 255861-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,5,8,6 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 255861-49:
(8*2)+(7*5)+(6*5)+(5*8)+(4*6)+(3*1)+(2*4)+(1*9)=165
165 % 10 = 5
So 255861-49-5 is a valid CAS Registry Number.
255861-49-5Relevant articles and documents
PROCESS OF SYNTHESIS OF A TRICYCLIC KETONE INTERMEDIATE
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, (2008/06/13)
In one embodiment, the present invention describes the synthesis of a compound of Formula III, wherein X is halogen, and intermediates therefor from easily available starting materials by a simple route.