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4-(2',6',6'-trimethyl-1'-cyclohexenyl)-2-butenol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123643-46-9

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123643-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123643-46-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,6,4 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 123643-46:
(8*1)+(7*2)+(6*3)+(5*6)+(4*4)+(3*3)+(2*4)+(1*6)=109
109 % 10 = 9
So 123643-46-9 is a valid CAS Registry Number.

123643-46-9Relevant academic research and scientific papers

Enantiocontrolled synthesis of quaternary carbon centers via anionic oxy-cope rearrengement: An efficient synthesis of (+)-dihydromayurone

Lee, Eun,Shin, In-Jae,Kim, Tae-Seong

, p. 260 - 264 (2007/10/02)

(+)-Dihydromayurone (1) was enantioselectively synthesized from β-cyclocitral (7). The key step in the synthesis involved anionic oxy-Cope of allylic alcohol 6 to aldehyde 5. Efficient transfer of chirality from the secondary allylic alcohol center to the quaternary carbon center was observed vai chairlike transition state with the equatorial oxyanionic bond.

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