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219867-78-4

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219867-78-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219867-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,8,6 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 219867-78:
(8*2)+(7*1)+(6*9)+(5*8)+(4*6)+(3*7)+(2*7)+(1*8)=184
184 % 10 = 4
So 219867-78-4 is a valid CAS Registry Number.

219867-78-4Relevant articles and documents

One-pot synthesis of cyclophane-type macrocycles using manganese(iii)- mediated oxidative radical cyclization

Ito, Yosuke,Tomiyasu, Yuichi,Kawanabe, Takahiro,Uemura, Keisuke,Ushimizu, Yuu,Nishino, Hiroshi

, p. 1491 - 1507 (2011/04/23)

Cyclophane-type macrocyclic compounds from 21 to 56 members having two fused dihydrofuran rings were synthesized by the manganese(iii)-mediated oxidation of terminal dienes with bis(3-oxobutanoate)s containing aromatics. The reaction detail, characterization and reaction pathways are described. The Royal Society of Chemistry 2011.

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