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199984-39-9

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199984-39-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 199984-39-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,9,8 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 199984-39:
(8*1)+(7*9)+(6*9)+(5*9)+(4*8)+(3*4)+(2*3)+(1*9)=229
229 % 10 = 9
So 199984-39-9 is a valid CAS Registry Number.

199984-39-9Relevant articles and documents

Preparation, Properties, and Reactions of Metal-Containing Heterocycles, XCVII. Differently Substituted Benzomolybdacrown Ethers and Their Capability of Including Alkali Metal Cations

Lindner, Ekkehard,Guenther, Matthias F.,Mayer, Hermann A.,Fawzi, Riad,Steimann, Manfred

, p. 1815 - 1824 (2007/10/03)

The reaction of the diphosphanes 2a-f with (OC)4Mo(nbd) under high dilution conditions affords the mononuclear benzomolybdacrown ethers cis-(OC)4Mo2C6H4-P,P'> (3a-f) (n = 1, 2).On the basis of the 31P nucleus the inc

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