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(1S,2S,5R,6R)-5-Acetyl-6-((S)-2,2-dimethyl-[1,3]dioxolan-4-yl)-2-formyl-2-methyl-cyclohexanecarboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139694-40-9

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139694-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139694-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,9 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139694-40:
(8*1)+(7*3)+(6*9)+(5*6)+(4*9)+(3*4)+(2*4)+(1*0)=169
169 % 10 = 9
So 139694-40-9 is a valid CAS Registry Number.

139694-40-9Relevant academic research and scientific papers

Synthesis of (1R,2R,4S,17R)-loba-8,10-13(15)-triene-17,18-diol, a marine diterpene

Nagaoka,Iwashima,Miyahara,Yamada

, p. 556 - 558 (2007/10/02)

Synthesis of marine diterpene 1 (1R,2R,4S,17R) has been achieved via coupling of ketone 7 and sulfone 6, leading to the determination of the absolute stereochemistry.

Total synthesis of marine diterpene fuscol

Iwashima,Nagaoka,Kobayashi,Yamada

, p. 81 - 82 (2007/10/02)

Marine diterpene fuscol was synthesized stereoselectively from D-mannitol via bicyclo[2.2.2]octane derivative 4, and its complete structure was established.

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