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18917-78-7

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18917-78-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18917-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,1 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 18917-78:
(7*1)+(6*8)+(5*9)+(4*1)+(3*7)+(2*7)+(1*8)=147
147 % 10 = 7
So 18917-78-7 is a valid CAS Registry Number.

18917-78-7Relevant articles and documents

Use of conjugated dienones in cyclialkylations: Total syntheses of arucadiol, 1,2-didehydromiltirone, (±)-hinokione, (±)-nimbidiol, sageone, and miltirone

Majetich, George,Liu, Shuang,Fang, Jing,Siesel, David,Zhang, Yong

, p. 6928 - 6951 (2007/10/03)

Functionalized hydrophenanthrenes can be prepared using a cyclialkylation-based strategy. These annulations are highly dependent on the directing effects of the arene substitutents and on conformational considerations. The utility of this methodology was featured in the syntheses of six diterpenoids.

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