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211917-31-6

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211917-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 211917-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,1,9,1 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 211917-31:
(8*2)+(7*1)+(6*1)+(5*9)+(4*1)+(3*7)+(2*3)+(1*1)=106
106 % 10 = 6
So 211917-31-6 is a valid CAS Registry Number.

211917-31-6Upstream product

211917-31-6Downstream Products

211917-31-6Relevant articles and documents

Synthesis and conversions of polyhedral compounds. 25. Synthesis and conversions of certain oxindole derivatives of 1,3-diazaadamantane and 3,7-diazabicyclo[3.3.1]nonane

Agadzhanyan,Gevorkyan

, p. 1288 - 1291 (2007/10/03)

By the reaction of 1,5-dimethyl-9-oxo-3,7-diazabicyclo[3.3.1]nonane with isatin and a number of its derivatives, spiro(1,3-diazaadamantane-2,3′-oxindoles) have been synthesized. In the case of 5-bromoisatin, either 3-(3-hydroxyoxindolyl)-3,7-diazabicyclo[3.3.1]nonane or the corresponding spirane is obtained, depending on the temperature. The interaction of these products with acetic anhydride has been studied.

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