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343239-55-4

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343239-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343239-55-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,3 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 343239-55:
(8*3)+(7*4)+(6*3)+(5*2)+(4*3)+(3*9)+(2*5)+(1*5)=134
134 % 10 = 4
So 343239-55-4 is a valid CAS Registry Number.

343239-55-4Relevant articles and documents

Protecting group free formal total synthesis of the antitubercular agent erogorgiaene

Yadav, Jhillu S.,Thirupathaiah, Bodakuntla,Al Khazim Al Ghamdi, Ahmad

, p. 2072 - 2076 (2012)

The formal total synthesis of the antitubercular agent erogorgiaene was achieved in 12 steps by using a protecting group free strategy. The synthesis involves an enamine-mediated 1,4-addition, an aldol condensation, dehydrogenation, Wittig olefination, in

Identification, synthesis, and bioassay of a male-specific aggregation pheromone from the harlequin bug, Murgantia histrionica

Zahn, Deane K.,Moreira, Jardel A.,Millar, Jocelyn G.

, p. 238 - 251 (2008/09/17)

Sexually mature male harlequin bugs produced a sex-specific compound, identified as one of the stereoisomers of the sesquiterpene epoxyalcohol 4-[3-(3,3-dimethyloxiran-2-yl)-1-methylpropyl]-1-methylcyclohex-2-en-1-ol (henceforth murgantiol), a compound wi

Total synthesis of bisabolane sesquiterpenoids, α-bisabol-1-one, curcumene, curcuphenol and elvirol: Utility of catalytic enamine reaction in cyclohexenone synthesis

Hagiwara, Hisahiro,Okabe, Tomoyuki,Ono, Hiroki,Kamat, Vijayendra P.,Hoshi, Takashi,Suzuki, Toshio,Ando, Masayoshi

, p. 895 - 900 (2007/10/03)

Total syntheses of α-bisabol-1-one, curcumene, curcuphenol and elvirol have been accomplished via 1,4-conjugate addition of intact aldehydes to vinyl ketones followed by an intramolecular aldol condensation.

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