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1265899-59-9

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1265899-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1265899-59-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,5,8,9 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1265899-59:
(9*1)+(8*2)+(7*6)+(6*5)+(5*8)+(4*9)+(3*9)+(2*5)+(1*9)=219
219 % 10 = 9
So 1265899-59-9 is a valid CAS Registry Number.

1265899-59-9Relevant articles and documents

Total synthesis of agastaquinone, a diterpenoid quinone isolated from Agastache rugosa

Lee, Sangku,Yoo, Jisu,Jung, Jae-Kyung,Kim, Jae Nyoung,Yoon, Myeong Sik

, p. 134 - 138 (2020/10/02)

Agastaquinone is a tricyclic diterpenoid isolated from Agastache rugose. The first total synthesis of agastaquinone was accomplished based on intramolecular Friedel-Crafts acylation of aryl lactone followed by aromatization leading to the tricyclic phenol

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