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117556-62-4

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117556-62-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117556-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,5,5 and 6 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 117556-62:
(8*1)+(7*1)+(6*7)+(5*5)+(4*5)+(3*6)+(2*6)+(1*2)=134
134 % 10 = 4
So 117556-62-4 is a valid CAS Registry Number.

117556-62-4Relevant articles and documents

PROCESS FOR THE SYNTHESIS OF CANNABIDIOL AND INTERMEDIATES THEREOF

-

, (2021/09/17)

The present invention relates to process for the preparation of cannabidiol (A) from the coupling of (D) and (E) through the intermediates (C) and (D) starting from compound (B). The invention further relates to the novel compounds (B), (C), (D) and (E) and reagents used in this process. More specifically, this invention provides the manufacturing of Cannabidiol (A) in milligram to gram or kilogram scale.

Synthesis of (1S,4R)-4-isopropyl-1-methyl-2-cyclohexen-1-ol, the aggregation pheromone of the ambrosia beetle Platypus quercivorus, its racemate, (1R,4R)- and (1S,4S)-isomers

Mori, Kenji

, p. 2133 - 2142 (2007/10/03)

(S)-Perillyl alcohol was converted to (R)-cryptone (91.5-93% ee) in six steps, which was then treated with methyllithium to give (1S,4R)-4-isopropyl-1-methyl-2-cyclohexen-1-ol, the aggregation pheromone of the ambrosia beetle Platypus quercivorus. The racemic pheromone was also prepared by methylation of (±)-cryptone. Both (1R,4R)- and (1S,4S)-isomers (98% ee) of the pheromone were synthesized from the enantiomers of dihydrolimonene oxide.

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