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78433-57-5

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78433-57-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78433-57-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,3 and 3 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 78433-57:
(7*7)+(6*8)+(5*4)+(4*3)+(3*3)+(2*5)+(1*7)=155
155 % 10 = 5
So 78433-57-5 is a valid CAS Registry Number.

78433-57-5Relevant articles and documents

Versatile enantioselective synthesis of four diastereomers of serricornin, a sex pheromone of the cigarette beetle, using the SAMP/RAMP-hydrazone method

Job, Andreas,Nagelsdiek, Rene,Enders, Dieter

, p. 524 - 538 (2007/10/03)

Serricornin is a female-produced sex pheromone of the cigarette beetle (Lasioderma serricorne), which is a pest of dried foodstuffs and tobacco. We report a versatile and short synthesis of all possible 6,7-syn-isomers of serricornin, including the natura

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 (2007/10/02)

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.

DETERMINATION OF THE ABSOLUTE CONFIGURATION AT C-6 AND C-7 SERRICORNIN (4,6-DIMETHYL-7-HYDROXY-3-NONANONE), THE SEX PHEROMONE OF THE CIGARETTE BEETLE

Mori, Kenji,Nomi, Hiroko /nee Iwasawa/,Chuman, Tatsuji,Kohno, Masahiro,Kato, Kunio,Noguchi, Masao

, p. 1127 - 1130 (2007/10/02)

The absolute configuration at C-6 and C-7 of serricornin was established as (6S, 7S) by synthesizing its (6R, 7S)-erythro and (6R, 7R)-threo isomers.

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