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22343-41-5

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22343-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22343-41-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,3,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22343-41:
(7*2)+(6*2)+(5*3)+(4*4)+(3*3)+(2*4)+(1*1)=75
75 % 10 = 5
So 22343-41-5 is a valid CAS Registry Number.

22343-41-5Relevant articles and documents

Fluorination of kaurenoic acid derivatives by remote functionalization

Anaya, Josefa,Grande, Ma Concepción,Grande, Manuel,Patino, Ana-Isabel,Torres, Pascual

, p. 1429 - 1431 (1999)

Kauranoids and related tetracyclic diterpenoids have recently shown an increasing interest because of the discovery of new biological activities that can be modified by the introduction of a fluorine atom. In this article it is described the stereospecific fluorination of the kauranols 6 and 7 by remote functionalization at the 'unactivated' C-7 position.

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