26988-26-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26988-26-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,8 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 26988-26:
(7*2)+(6*6)+(5*9)+(4*8)+(3*8)+(2*2)+(1*6)=161
161 % 10 = 1
So 26988-26-1 is a valid CAS Registry Number.
26988-26-1Relevant articles and documents
PROCESSES FOR THE PRODUCTION OF 14 - OXYGENATED MORPHINAN - 6 - ONES
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, (2012/02/13)
A process for the production of a 14-oxygenated morphinan-6-one of formula (I) wherein R1 is alkyl, alkenyl, alkynyl, cycloalkylalkyl, aralkyl, R3 is hydrogen, and R4 is hydrogen, wherein oripavine, 14-hydroxymorphinone or oxymorphone is used as starting material.