1357150-09-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1357150-09-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,7,1,5 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1357150-09:
(9*1)+(8*3)+(7*5)+(6*7)+(5*1)+(4*5)+(3*0)+(2*0)+(1*9)=144
144 % 10 = 4
So 1357150-09-4 is a valid CAS Registry Number.
1357150-09-4Relevant articles and documents
N-Demethylation of 6-Keto Morphinans
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, (2012/02/15)
The present invention provides processes for the demethylation of an N-methyl morphinan comprising a ketone functional group. In particular, the invention provides methods for the protection of the ketone functional group such that impurities are not generated during the demethylation of the N-methyl morphinan.