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186693-85-6

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186693-85-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 186693-85-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,6,9 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 186693-85:
(8*1)+(7*8)+(6*6)+(5*6)+(4*9)+(3*3)+(2*8)+(1*5)=196
196 % 10 = 6
So 186693-85-6 is a valid CAS Registry Number.

186693-85-6Relevant articles and documents

Electron transfer-initiated Diels-Alder cycloadditions of 2′-hydroxychalcones

Cong, Huan,Ledbetter, Dustin,Rowe, Gerard T.,Caradonna, John P.,Porco Jr., John A.

, p. 9214 - 9215 (2008)

An efficient approach to cyclohexenyl chalcones employing highly electron rich 2′-hydroxychalcone dienophiles via electron transfer-initiated Diels-Alder cycloaddition is described. Using the methodology, the total synthesis of nicolaiodesin C has been accomplished. Copyright

Syntheses of knerachlin A and knerachlin B

Huang, Chusheng,Da, Shijun,Li, Ying,Li, Yulin

, p. 277 - 278 (2007/10/03)

The first total syntheses of knerachlin A and knerachlin B are described, starting from 2,4,6-trihydroxyacetophenone and 2,6- dihydroxyacetophenone, respectively. The key step in the synthesis is the condensation of ketone 5 with cinnamaldehyde.

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