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85686-11-9

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85686-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85686-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,6,8 and 6 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85686-11:
(7*8)+(6*5)+(5*6)+(4*8)+(3*6)+(2*1)+(1*1)=169
169 % 10 = 9
So 85686-11-9 is a valid CAS Registry Number.

85686-11-9Relevant articles and documents

Synthesis, resolution, and absolute stereochemistry of (-)-blestriarene C

Hattori, Tetsutaro,Shimazumi, Yuhi,Goto, Hitoshi,Yamabe, Osamu,Morohashi, Naoya,Kawai, Wataru,Miyano, Sotaro

, p. 2099 - 2108 (2007/10/03)

A naturally occurring 1,1′-biphenanthrene, blestriarene C (1), was prepared in 13 steps and 30% overall yield. The key steps are the ester-mediated nucleophilic aromatic substitution on 2,6-ditert-butyl-4-methoxyphenyl 5-isopropoxy-2-methoxybenzoate (4) b

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