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85121-45-5

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85121-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85121-45-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,1,2 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 85121-45:
(7*8)+(6*5)+(5*1)+(4*2)+(3*1)+(2*4)+(1*5)=115
115 % 10 = 5
So 85121-45-5 is a valid CAS Registry Number.

85121-45-5Relevant articles and documents

Synthesis of (+/-)-karahana ether and a (+/-)-labdadienoic acid by the electrophilic cyclization of epoxy allylsilanes

Armstrong, Rosemary J.,Weiler, Larry

, p. 584 - 596 (2007/10/02)

The epoxy allylsilanes 7 and 16 were synthesized by stereoselective routes from β-keto esters and cyclized with Lewis acids in good yield.The monocyclic product from 7 was converted into (+/-)-karahana ether (10), and the bicyclic product from 20 was used in a synthesis of the 3-hydroxylabdadienoic acid 24b.

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