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406725-41-5

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406725-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 406725-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,6,7,2 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 406725-41:
(8*4)+(7*0)+(6*6)+(5*7)+(4*2)+(3*5)+(2*4)+(1*1)=135
135 % 10 = 5
So 406725-41-5 is a valid CAS Registry Number.

406725-41-5Relevant articles and documents

Synthesis of novel α-substituted and α,α-disubstituted amino acids by rearrangement of ammonium ylides generated from metal carbenoids

Clark, J. Stephen,Middleton, Mark D.

, p. 765 - 768 (2007/10/03)

(equation presented) A new and general four-step synthesis of protected a-substituted and α,α-disubstituted amino acids has been developed. The key step involves intramolecular ammonium ylide generation from a copper carbenoid with concomitant [2,3] rearr

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