1141493-78-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1141493-78-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,1,4,9 and 3 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1141493-78:
(9*1)+(8*1)+(7*4)+(6*1)+(5*4)+(4*9)+(3*3)+(2*7)+(1*8)=138
138 % 10 = 8
So 1141493-78-8 is a valid CAS Registry Number.
1141493-78-8Relevant articles and documents
Processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole
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, (2012/07/03)
This invention provides improved processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole, asenapine. These processes allow the preparation of asenapine at industrial scale in good yields and high stereoselectivity.