85455-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85455-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,4,5 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85455-21:
(7*8)+(6*5)+(5*4)+(4*5)+(3*5)+(2*2)+(1*1)=146
146 % 10 = 6
So 85455-21-6 is a valid CAS Registry Number.
85455-21-6Relevant articles and documents
7&α- or 7&β-(4-Phenylbutyl)dihydrocodeine Derivatives
Leland, David L.,Kotick, Michael P.
, p. 1813 - 1819 (2007/10/02)
A lipophilic 4-phenylbutyl group was selectively incorporated into the 7α- or 7β-position of the morphine nucleus by use of 6,7-oxymethylene (oxetane) intermediates. 7,7-Bisdihydroisocodeine (2) with dilute NaOH gave 6β,7β-(oxymethylene)
