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67562-52-1

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67562-52-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67562-52-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,6 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 67562-52:
(7*6)+(6*7)+(5*5)+(4*6)+(3*2)+(2*5)+(1*2)=151
151 % 10 = 1
So 67562-52-1 is a valid CAS Registry Number.

67562-52-1Relevant articles and documents

Potential synthetic codeine substitutes: (-)-3-O-aryl-N-methylmorphinans

Mohacsi,Hayes,Spinwall

, p. 1219 - 1222 (2007/10/02)

A series of novel O-aryl-N-methylmorphinans were synthesized by the Ullmann reaction from levorphanol in our search for a synthetic codeine substitute with reduced addition liability. The compounds were evaluated for antinociceptive potency and receptor b

3-Phenoxymorphinans and derivatives thereof

-

, (2008/06/13)

Levo-rotary 3-phenoxy N-substituted morphinans and derivatives thereof useful as analgesics and/or narcotic antagonists and their preparation form (-)-3-hydroxy-N-lower alkyl morphinan including intermediates in this preparation.

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