1353891-30-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1353891-30-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,3,8,9 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1353891-30:
(9*1)+(8*3)+(7*5)+(6*3)+(5*8)+(4*9)+(3*1)+(2*3)+(1*0)=171
171 % 10 = 1
So 1353891-30-1 is a valid CAS Registry Number.
1353891-30-1Relevant articles and documents
NEW PROCESS FOR THE SYNTHESIS OF TAPENTADOL AND INTERMEDIATES THEREOF
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, (2012/01/14)
The object of the present invention is a new process for the synthesis of tapentadol, both as free base and in hydrochloride form, which comprises the step of alkylation of the ketone (VII) to yield the compound (VIII), as reported in Diagram 1, with high
