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34298-31-2

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34298-31-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34298-31-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,2,9 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 34298-31:
(7*3)+(6*4)+(5*2)+(4*9)+(3*8)+(2*3)+(1*1)=122
122 % 10 = 2
So 34298-31-2 is a valid CAS Registry Number.

34298-31-2Relevant articles and documents

EIGHT NEW XENIA DITERPENOIDS FROM THREE SOFT CORALS OF THE RED SEA

Groweiss, Amiram,Kashman, Yoel

, p. 3385 - 3396 (2007/10/02)

Investigation of the terpenoid content of three soft corals from the Gulf of Eilat (THe Red Sea), Xenia macrospiculata, X. obscuronata and X. lilielae resulted in the isolation of 8 new diterpens.Two of the new compounds belong to the xeniolides (xenialactol-D (10a) and xeniolide-E (13)) and the other six (4,14-diepoxyxeniaphyllene (15), 4,5-epoxyxeniaphyllan-14,15-diol (17), 4,14-diepoxy-xeniaphyllenol-A (21a), xeniaphyllenol-B (23a), xeniaphyllenol-C (24a) and xeniaphyllantriol (25) are new xeniaphyllanes (prenylated caryophyllanes).The structure determination of the various compounds is based on chemical transformations as well as on the 1H and 13C NMR spectra.Several known caryophyllene derivatives have been synthesised for 13C NMR spectra and chemical comparisons.The 13C NMR has proven to be an excellent probe for structural and stereochemical determinations.

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