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669065-54-7

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669065-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 669065-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,9,0,6 and 5 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 669065-54:
(8*6)+(7*6)+(6*9)+(5*0)+(4*6)+(3*5)+(2*5)+(1*4)=197
197 % 10 = 7
So 669065-54-7 is a valid CAS Registry Number.

669065-54-7Upstream product

669065-54-7Relevant articles and documents

A Convergent Synthesis of the Macrocyclic Core of Cytotrienins: Application of RCM for Macrocyclization

Evano, Gwilherm,Schaus, Jennifer V.,Panek, James S.

, p. 525 - 528 (2007/10/03)

(Equation presented) The asymmetric synthesis of the fully elaborated macrocyclic core of cytotrienins A-D, potent apoptosis-inducing agents, is described. Synthetic highlights include the construction of the aniline bond using a copper-mediated amidation and the use of a ring-closing metathesis (RCM) reaction to efficiently install the (E,E,E)-triene and simultaneously construct the macrocyclic lactam.

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