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200066-59-7

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200066-59-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 200066-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,0,0,6 and 6 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 200066-59:
(8*2)+(7*0)+(6*0)+(5*0)+(4*6)+(3*6)+(2*5)+(1*9)=77
77 % 10 = 7
So 200066-59-7 is a valid CAS Registry Number.

200066-59-7Relevant articles and documents

Total synthesis of NPTX-5 and NPTX-6, Joro spider (Nephila clavata) toxins having a unique putreanine trimer and putreanine tetramer acylpolyamine chain

Saito, Hiroaki,Yuri, Etsuko,Miyazawa, Masahiro,Itagaki, Yasuhiro,Nakajima, Terumi,Miyashita, Masaaki

, p. 6479 - 6482 (2007/10/03)

The first total synthesis of NPTX-5 and NPTX-6, Joro spider (Nephila clavata) toxins having a 4-hydroxyindole nucleus and a unique putreanine trimer and tetramer acylpolyamine chain, respectively, has been achieved by the iterative use of a key azide compound.

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