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219584-09-5

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219584-09-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219584-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,5,8 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 219584-09:
(8*2)+(7*1)+(6*9)+(5*5)+(4*8)+(3*4)+(2*0)+(1*9)=155
155 % 10 = 5
So 219584-09-5 is a valid CAS Registry Number.

219584-09-5Relevant articles and documents

Enantiospecific, stereospecific total synthesis of the oxindole alkaloid alstonisine

Wearing, Xiangyu Z.,Cook, James M.

, p. 4237 - 4240 (2007/10/03)

(equation presented) The total synthesis of alstonisine was accomplished in enantiospecific fashion in an overall yield of 12% (from tryptophan methyl ester) in 17 reaction vessels. The structure of alstonisine (1) has been determined by NOE spectroscopic

Enantiospecific total synthesis of the sarpagine related indole alkaloids talpinine and talcarpine: The oxyanion-cope approach

Yu, Peng,Cook, James M.

, p. 9160 - 9161 (2007/10/03)

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