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136623-19-3

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136623-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136623-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,2 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 136623-19:
(8*1)+(7*3)+(6*6)+(5*6)+(4*2)+(3*3)+(2*1)+(1*9)=123
123 % 10 = 3
So 136623-19-3 is a valid CAS Registry Number.

136623-19-3Downstream Products

136623-19-3Relevant articles and documents

Antiarrhythmic active amidinohydrazones of substituted benzophenones. Part 1: Synthesis of new amidinohydrazones and N-phenylamidinohydrazones of substituted benzophenones

Richter,Kasbohm,Besch,Hagen

, p. 758 - 764 (2007/10/02)

The title compounds are synthesized as a rule by condensation of substituted benzophenones and derivatives of aminoguanidine in the presence of up to 2,5 moles of an anorganic acid. They can be obtained alternatively via corresponding hydrazones, thiosemicarbazones or methylthiothiocarbonylhydrazones.

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