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194989-18-9

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194989-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194989-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,9,8 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 194989-18:
(8*1)+(7*9)+(6*4)+(5*9)+(4*8)+(3*9)+(2*1)+(1*8)=209
209 % 10 = 9
So 194989-18-9 is a valid CAS Registry Number.

194989-18-9Relevant academic research and scientific papers

A new method for intramolecular chloroamination of unfunctionalized olefins

Liu, Gong-Qing,Li, Wei,Li, Yue-Ming

, p. 395 - 402 (2013)

A new method for the intramolecular chloroamination of unfunctionalized olefins is reported. The reactions were carried out at room temperature for 3 h using hydrated copper(II) chloride as both promoter and chlorine source, and the corresponding vincinal haloamines were obtained in good isolated yields.

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