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91739-31-0

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91739-31-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91739-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,3 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91739-31:
(7*9)+(6*1)+(5*7)+(4*3)+(3*9)+(2*3)+(1*1)=150
150 % 10 = 0
So 91739-31-0 is a valid CAS Registry Number.

91739-31-0Relevant articles and documents

A new synthesis of serricornin [(4s,6s,7s)-7-hydroxy-4,6-dimethyl-3-nonanone], the sex pheromone of the cigarette beetle

Mori, Kenji,Watanabe, Hidenori

, p. 3423 - 3428 (1985)

Serricornin, the sex pheromone of Lasioderma serricorne F, was synthesised in 7.6% overall yield starting from methyl (R)-3-hydroxypentanoate of microbial origin. Its (4R,6S,7S)-isomer was also synthesised.

Synthesis of (4R,6S,7R)-7-hydroxy-4,6-dimethyl-3-nonanone and (3R,5S,6R)-6-hydroxy-3,5-dimethyl-2-octanone, the pheromone components of the bostrychid beetle, Dinoderus bifoveolatus

Masuda, Yui,Fujita, Ken,Mori, Kenji

, p. 1744 - 1750 (2007/10/03)

(4R,6S,7R)-7-Hydroxy-4,6-dimethyl-3-nonanone and (3R,5S,6R)-6-hydroxy-3,5- dimethyl-2-octanone, the pheromone components of the bostrychid beetle, Dinoderus bifoveolatus, as well as their (4R,6S,7S)-and (3R,5S,6S)-isomers were synthesized from (2R,4S,5R)- and (2R,4S,5S)2,4-dimethyl-5-heptanolide, respectively.

A practical enantioselective synthesis of the cigarette beetle sex pheromone serricornin

Chan, Philip C.-M.,Chong, J. Michael,Kousha, Karim

, p. 2703 - 2714 (2007/10/02)

(4RS,6S,7S)-7-hydroxy-4,6-dimethyl-3-nonanone (serricornin and its C4- epimer) may be prepared from oxazolidinone 5 in 8 steps with an overall yield of 33%.

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