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909119-55-7

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909119-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909119-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,1,1 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 909119-55:
(8*9)+(7*0)+(6*9)+(5*1)+(4*1)+(3*9)+(2*5)+(1*5)=177
177 % 10 = 7
So 909119-55-7 is a valid CAS Registry Number.

909119-55-7Relevant articles and documents

Synthesis of the C9-C21 fragment of debromoaplysiatoxin and oscillatoxins A and D

Cosp, Annabel,Llàcer, Enric,Romea, Pedro,Urpí, Fèlix

, p. 5819 - 5823 (2007/10/03)

A highly stereoselective synthesis of the C9-C21 fragment of debromoaplysiatoxin and oscillatoxins A and D has been devised. This new approach relies on the cross coupling of titanium enolates from N-acyl-1,3-thiazolidine-2-thiones and dialkyl acetals and

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