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65299-38-9

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65299-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65299-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,9 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 65299-38:
(7*6)+(6*5)+(5*2)+(4*9)+(3*9)+(2*3)+(1*8)=159
159 % 10 = 9
So 65299-38-9 is a valid CAS Registry Number.

65299-38-9Relevant articles and documents

Preparation of 2-Arylethynylselanylacetonitriles from 4-Aryl-1,2,3-selenadiazoles

O'Connor,Sachinvala,Ganjian

, p. 1167 - 1169 (2015/08/06)

Base decomposition of 4-(substituted phenyl)-1,2,3-selenadiazoles at room temperature resulted in 2-(substituted phenyl)-ethynylselenolate anions, which were immediately reacted with bromoacetonitrile to give a series of 2-(substituted phenyl)ethynylselan

UNSATURATED THIOLATES AND THEIR ANALOGS IN CYCLOADDITION REACTIONS. XIII. REACTIONS OF POTASSIUM 2-ARYL- AND 2-ALKYLETHYNESELENOLATES WITH HETEROCUMULENES

Laishev, V. Z.,Petrov, M. L.,Petrov, A. A.

, p. 450 - 454 (2007/10/02)

Potassium 2-aryl- and 2-alkylethyneselenolates, obtained by the decomposition of 4-substituted 1,2,3-selenadiazoles, enter into a cyclization reaction with phenyl isothiocyanate to form isomeric N-(5-R-1,3-thiaselenol-2-ylidene)phenylamines.Measurement of the relative rate constants for cyclization of 2-(p-R-aryl)ethyneselenolates at the thione bond shows that the reaction is accelerated by donating substituents and retarded by withdrawing substituents.

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