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71724-97-5

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71724-97-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71724-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,7,2 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71724-97:
(7*7)+(6*1)+(5*7)+(4*2)+(3*4)+(2*9)+(1*7)=135
135 % 10 = 5
So 71724-97-5 is a valid CAS Registry Number.

71724-97-5Relevant articles and documents

Five new compounds from the heartwood of Juniperus formosana Ayata

Kuo,Wu,Cheng,Wang

, p. 3195 - 3201 (2007/10/02)

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(+)-TSUGACETAL, A LIGNAN ACETAL FROM TAIWAN HEMLOCK

Fang, Jim-Min,Wei, Kuo-Min,Cheng, Yu-Shia,Cheng, Ming-Chu,Wang, Yu

, p. 1363 - 1366 (2007/10/02)

Key Word Index - Tsuga chinensis var. formosana; Taiwan hemlock; lignan acetal; tsugacetal; X-ray crystal structure. - By the evidence of (1)H and (13)C NMR spectra, and single crystal structure determination, a novel lignan acetal, (+)-tsugacetal, isolated from Tsuga chinensis var. formosana, was found to have an α-conidendrin-related structure with an acetal methoxy group at the β-position.

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