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646033-40-1

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646033-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 646033-40-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,6,0,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 646033-40:
(8*6)+(7*4)+(6*6)+(5*0)+(4*3)+(3*3)+(2*4)+(1*0)=141
141 % 10 = 1
So 646033-40-1 is a valid CAS Registry Number.

646033-40-1Relevant articles and documents

MORPHINAN DERIVATIVES THE QUATERNARY AMMONIUM SALTS THEREOF SUBSTITUTED IN POSITION 14, METHOD FOR PRODUCTION AND USE THEREOF

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Page/Page column 29-30, (2010/02/06)

The invention relates to a class of morphinan compounds and the quaternary ammonium salts thereof, substituted in position 14, which may be used as highly-active analgesics or also as opioid antagonists. The invention further relates to the pharmaceutically-acceptable salts and easily-produced derivatives thereof, a process for production thereof and use thereof in the production of pharmaceutical specialities.

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