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1442686-52-3

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1442686-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1442686-52-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,2,6,8 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1442686-52:
(9*1)+(8*4)+(7*4)+(6*2)+(5*6)+(4*8)+(3*6)+(2*5)+(1*2)=173
173 % 10 = 3
So 1442686-52-3 is a valid CAS Registry Number.

1442686-52-3Downstream Products

1442686-52-3Relevant articles and documents

Synthesis of 1,7-dimethoxy-2-hydroxyxanthone, a natural product with potential activity on erectile dysfunction

Liu, Wen-Jing,Mei, De-Sheng,Duan, Wen-Hu

, p. 515 - 517 (2013/07/27)

The natural product, 1,7-dimethoxy-2-hydroxyxanthone (1), isolated from Securidaca inappendiculate Hassk, has a potential in the treatment of erectile dysfunction due to its significant relaxation activity on rabbit Corpus cavernosum. However, the isolation of compound 1 is problematic because of its high similarity in structure to its analogs. In this paper, the first synthesis of 1 was reported featuring two key reactions: a copper-catalyzed coupling reaction and an intramolecular cyclization.

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