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134887-70-0

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134887-70-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134887-70-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,8,8 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134887-70:
(8*1)+(7*3)+(6*4)+(5*8)+(4*8)+(3*7)+(2*7)+(1*0)=160
160 % 10 = 0
So 134887-70-0 is a valid CAS Registry Number.

134887-70-0Downstream Products

134887-70-0Relevant 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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