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90820-97-6

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90820-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90820-97-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,2 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90820-97:
(7*9)+(6*0)+(5*8)+(4*2)+(3*0)+(2*9)+(1*7)=136
136 % 10 = 6
So 90820-97-6 is a valid CAS Registry Number.

90820-97-6Downstream Products

90820-97-6Relevant articles and documents

A New Method of Formation of 9-Azabicyclononane Skeleton and Its Application to Synthesis of (+/-)-Anatoxin a

Shono, Tatsuya,Matsumura, Yoshihiro,Uchida, Kenshi,Tagami, Katsumi

, p. 919 - 922 (2007/10/02)

9-Azabicyclo-nonane skeleton was formed in one step by Lewis acid promoted reaction between 1-methoxycarbonyl-2,5-dimethoxypyrrolidine and 1-ethoxy-1-trimethylsiloxy-1,4-pentadiene, and it was converted to (+/-)-anatoxin a.

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