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66052-41-3

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66052-41-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66052-41-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,0,5 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 66052-41:
(7*6)+(6*6)+(5*0)+(4*5)+(3*2)+(2*4)+(1*1)=113
113 % 10 = 3
So 66052-41-3 is a valid CAS Registry Number.

66052-41-3Relevant articles and documents

A Study of the Terpenoids of the Sponge Euryspongia sp.

Altena, Ian A. van,Miller, Darren A.

, p. 2181 - 2190 (2007/10/02)

The metabolites of the sponge Euryspongia sp. (Dysideidae) were investigated.The sponge was shown to contain the previously unknown sesquiterpene epoxides (15) and (16), and three known compounds, dehydrodendrolasin (1), thiofurodysinin acetate (13) and thiofurodysin acetate (14).Based on the spectral data of (1) and the synthetic compounds (1'E)- and (1'Z)-3-(4',8'-dimethylnon-1-enyl)furan (5) and (6), the structures of 'the cis isomer of dehydrodendrolasin' (2), tetradehydrofurospongian-1 (3) and the related C21 furanoterpene (4) should be reevaluated.

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