81451-63-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81451-63-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,5 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 81451-63:
(7*8)+(6*1)+(5*4)+(4*5)+(3*1)+(2*6)+(1*3)=120
120 % 10 = 0
So 81451-63-0 is a valid CAS Registry Number.
81451-63-0Relevant articles and documents
6-Keto-morphinan analgesics
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, (2008/06/13)
This patent application describes the preparation and properties of novel and highly potent morphinan analgesics. The compounds include narcotic agnoists as well as narcotic antagonists and are represented by the following formula: STR1 R1 =OCH
