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77970-49-1

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77970-49-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77970-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,9,7 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77970-49:
(7*7)+(6*7)+(5*9)+(4*7)+(3*0)+(2*4)+(1*9)=181
181 % 10 = 1
So 77970-49-1 is a valid CAS Registry Number.

77970-49-1Relevant 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 (2007/10/03)

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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