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77887-57-1

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77887-57-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77887-57-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,8 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77887-57:
(7*7)+(6*7)+(5*8)+(4*8)+(3*7)+(2*5)+(1*7)=201
201 % 10 = 1
So 77887-57-1 is a valid CAS Registry Number.

77887-57-1Downstream Products

77887-57-1Relevant 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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