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109547-66-2

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109547-66-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109547-66-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,5,4 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109547-66:
(8*1)+(7*0)+(6*9)+(5*5)+(4*4)+(3*7)+(2*6)+(1*6)=142
142 % 10 = 2
So 109547-66-2 is a valid CAS Registry Number.

109547-66-2Downstream Products

109547-66-2Relevant articles and documents

The Reactions of Benzylmalononitriles with Hydrazine and Hydroxylamine. Synthesis of Pyrazoles, Isoxazoles, and Pyrazolo-pyrimidine Derivatives

Vaquero, Juan J.,Fuentes, Luis,Castillo, Juan C. Del,Perez, Maria I.,Garcia, Jose L.,Soto, Jose L.

, p. 33 - 35 (1987)

Benzylmalononitriles react with hydrazine or hydroxylamine to give 4-substituted 3,5-diaminopyrazoles or isoxazoles, respectively.Pyrazolopyrimidine derivatives are prepared by reaction of these pyrazoles with some 2,3-disubstituted propenenitriles

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